Conveyor Terms and Definitions Guide for CMMS Users
Glossary Last updated: September 9, 2026

Conveyor Terms & Definitions Glossary

Conveyor systems come with a language of their own. This A–Z guide explains the terms you will run into on the line and in the manual — belts, pulleys, rollers, drives, take-ups, guarding and the maintenance practices behind them.

Whether you are new to conveyors or have run them for years, use it as a quick reference when a spec sheet or work order turns up a term you want pinned down.

Conveyor terms and definitions glossary from eWorkOrders CMMS

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A–Z · Part of the eWorkOrders Learning Center

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Abrasion Resistance: The distinctive capability of conveyor components, particularly belts, to endure the erosive impact of friction and material forces over time.

Accelerometer: An innovative device employed for gauging acceleration and vibrations within conveyor components, offering valuable insights into potential operational challenges.

Accumulating Conveyor: Any conveyor system strategically engineered to facilitate the systematic accumulation of materials, whether it utilizes rollers, live rollers, belts, or gravity-driven mechanisms.

Adhesive Wear: The wearing down of conveyor components due to the cohesive bonding and material transfer between surfaces, often affecting the overall integrity of the system.

Adjustable Speed Drive: A sophisticated apparatus empowering the adjustment of conveyor belt speed, thereby optimizing control and operational efficiency to meet varying demands.

Air Knife A device that directs a high-velocity stream of compressed air across the belt to blow off residual material and carryback, keeping the return run clean.

Alignment: The meticulous process of calibrating and confirming the precise positioning of conveyor components to uphold the smooth and uninterrupted motion of the conveyor belt.

Alignment Sensor: A precision sensor designed to identify and signal any deviations or misalignments in the positioning of the conveyor belt, promoting operational stability.

Alligator Lacing: A distinctive belt-fastening method executed with a hammer, seamlessly joining the belt ends to create a continuous loop, enhancing the durability and reliability of the conveyor system.

Analysis Software: Advanced computer programs tailored for scrutinizing data derived from conveyor sensors and systems, enabling the identification of trends, patterns, and potential issues for proactive maintenance.

Anti-Seize Compound: A specialized lubricant meticulously applied to fasteners and components, acting as a safeguard against seizing or corrosion, thereby ensuring the longevity and optimal performance of the conveyor system.

Arc Flash: An electrical phenomenon involving a hazardous discharge or explosion, underscoring the critical importance of stringent safety measures during maintenance activities to prevent potential accidents.

Area Classification: The systematic categorization of different zones within the conveyor system based on the potential presence of explosive or hazardous materials, facilitating the implementation of targeted safety measures.

Asset Management: A methodical approach to overseeing, maintaining, and optimizing conveyor assets and components, aimed at extending their lifespan and maximizing operational efficiency over time.

Asset Registry Management: The comprehensive organization and tracking of conveyor system components within the CMMS. This management process includes maintaining detailed records of specifications, installation dates, and historical maintenance data for each asset.

Audit Trail and Accountability: A feature within the CMMS that maintains a detailed record (audit trail) of all changes, activities, and transactions related to conveyor system maintenance. This enhances accountability, transparency, and the ability to trace actions over time.

Automatic Lubrication System: An innovative system designed to automatically dispense lubricants to conveyor components at scheduled intervals, effectively minimizing friction and wear for prolonged equipment lifespan.

Automation Replacing manual control of a conveyor with programmable control — PLCs, sensors, drives and an HMI handling start/stop, routing, speed and diagnostics without an operator at the controls.

Axle: A stationary shaft upon which wheels or rollers are mounted, contributing to the smooth and controlled movement of the conveyor system.

Back Pressure: The resistance applied to a package, exerting force to halt its motion or that of a collection of packages.

Backstop: An essential mechanical or electrical device strategically preventing the reverse movement of the conveyor belt for the sake of safety.

Backup Rollers: Specially positioned rollers located behind the primary idlers, offering supplementary support to the conveyor belt and necessitating routine inspection.

Backup Tube or Channel: A stabilizing mechanism providing structural support for the conveyor frame along its length, ensuring overall system stability.

Bag Flattener: An ingenious mounting assembly designed to invert one conveyor over another, effectively compressing or flattening the conveyed product.

Ball Table: A setup featuring ball transfers that enables the smooth movement of flat-surfaced objects in any desired direction.

Ball Transfer: A specialized device where a larger ball is securely mounted and retained on a hemispherical face comprised of smaller balls.

Ball Transfer Mat: An elevated flooring incorporating walkable ball transfers, designed for the manual movement of heavy loads and pallets.

Ball Transfer Table A flat bed fitted with rows of ball transfers, letting flat-bottomed items be pushed and turned in any direction across the surface by hand.

Bare Pulley: A pulley lacking any surface covering or lagging, presenting the unadorned pulley surface.

Bearing: A vital machine component designed to securely hold shafts, axles, and pins while allowing them to rotate freely.

Bearing Lubrication: The meticulous application of lubricants to reduce friction on conveyor bearings, ensuring optimal and smooth operation.

Bearing Mount: An assembly consisting of a housing and threading to which bearings are attached, forming a crucial part of the conveyor system.

Bearing Replacement: The periodic removal and substitution of conveyor bearings to preemptively counteract potential equipment failure.

Bed: The supportive surface of a conveyor system where the load either rests or slides while being conveyed.

Bed Length: The cumulative length of bed sections needed to construct the conveyor, excluding pulleys and associated components.

Bed Width: The overall width of the bed section within a conveyor system, playing a crucial role in load support.

Belt: A dynamic and pliable band strategically encircling two or more pulleys, positioned to facilitate the transmission of motion, power, or materials from one point to another within the conveyor system.

Belt Cleaner: An instrumental device designed for the meticulous removal of material residue from the conveyor belt, preventing accumulation and ensuring sustained efficiency.

Belt Scraper: A functional apparatus, typically comprising a blade or brush, methodically applied to the in-motion conveyor belt, systematically dislodging and eliminating materials adhering to its surface.

Belt Speed: The measurable rate at which the conveyor belt traverses a specific point in a predetermined time span, frequently denoted in feet per minute, crucial for assessing operational efficiency.

Belt Splicing: A meticulous procedure involving the connection of the conveyor belt ends, forming an unbroken and cohesive loop; this process employs techniques like vulcanization or the utilization of mechanical fasteners for secure and durable linkage.

Belt Tracking: The continuous fine-tuning of the conveyor belt’s alignment to prevent deviations, ensuring a persistent and precise positioning throughout its operational cycle.

Between-Rail Width: The open expanse between the frame rails within a conveyor system, determining the structural blueprint of the system and influencing its overall design.

Bolt Torque: The intentional application of precise rotational force to bolts during the installation process, serving to prevent inadvertent loosening and ensuring a steadfast and secure fastening.

Booster Conveyor: A powered conveyor specifically deployed to recover lost elevation in gravity roller or wheel conveyor lines, actively contributing to augmented overall system efficiency.

Brake Motor: A specialized device typically affixed to a motor shaft between the motor and reducer, featuring automatic engagement mechanisms that activate when the electric current is interrupted or fails.

Brake Rollers: Brakes, either air or mechanically operated, strategically positioned beneath roller conveyors, with the primary function of decelerating or halting packages during the conveyance process.

Bucket Elevator: A vertical conveyor system meticulously designed for the vertical transportation of bulk materials, necessitating periodic inspection and maintenance to ensure sustained functionality and reliability.

Bulk Material Handling: The intricate process of transporting materials in bulk on conveyors, demanding specialized maintenance protocols to mitigate wear and optimize efficiency.

Bushing: A general term referring to a bearing used for specific applications within the conveyor system, contributing to overall functionality.

Bushing Retainer Clip: A securing clip employed to stabilize a bushing in the absence of a cover, ensuring its proper positioning within the conveyor system.

Butt Coupling: An essential component designed to connect various conveyor sections seamlessly, ensuring a continuous and integrated system.

Carryback: Residual material persistently adhering to the conveyor belt, making its way back along the return side; necessitates the implementation of cleaning and removal mechanisms to maintain optimal conveyor functionality.

Caster: A wheel mounted in a fork, rigid or swivel, fitted to conveyor legs and portable frames so the unit can be repositioned. Also spelled castor.

Catenary Load The tension produced in a belt or chain by the weight of the freely hanging section between supports, most often on the return run.

Catenary Sag: The inherent sag or curvature of the conveyor belt between two points, requiring periodic adjustments to ensure optimal tension.

Ceiling Hangers: Steel rods affixed to the ceiling, providing support for conveyors to maximize floor space or when floor support is insufficient.

Center Drive: A drive assembly typically located beneath, often at the center of the conveyor, but adaptable to various positions in the conveyor length. Commonly used in applications involving reversing or incline movement.

Chain: A series of pivotally linked elements forming a medium for conveying or transmitting motion and power.

Chain Conveyor: A conveyance system utilizing one or more chains during operation.

Chain Drive: A mechanism transmitting mechanical energy to conveyor wheels, comprising a drive chain and sprockets.

Chain Guard: A protective covering for drive or conveyor chains, implemented for safety reasons.

Chain Roller Conveyor: A conveyor featuring tread rollers with attached sprockets, driven by a chain.

Chute: A passage or channel designed to guide material flow from one conveyor to another or a specific destination; necessitates periodic inspection for blockages and wear.

Clamshell Gate: A pivotal gate integrated into a conveyor system, designed for controlled opening and closing; regular inspections are essential to ensure proper functionality and prevent potential material spillage.

Cleaning System: Dedicated equipment and mechanisms, including brushes or scrapers, focused on preserving the cleanliness of conveyor components; regular maintenance is imperative to prevent material build-up and ensure optimal performance.

Cleat Height: The vertical measurement of raised portions (cleats) on a conveyor belt, demanding periodic checks for wear and precise positioning.

Cleated Belt: A belt equipped with cleats featuring elevated sections, ensuring the firm positioning of units during travel on slopes.

Cleated Belt Conveyor: A belt designed with uniformly spaced raised sections to stabilize material flow, particularly effective on inclined belts; cleats may be an integral part of the belt or attached separately.

Cleats: An attachment affixed to the conveying surface, serving various purposes such as pushing, supporting, checking, or tripping, aiding in the smooth movement of material along the conveyor path.

Clipper Lacing A hook-type mechanical belt fastener. Rows of wire hooks are driven into both belt ends with a Clipper lacer, then joined by a hinge pin to form a hinged splice that can be opened again for belt removal.

Closed Conveyor System: A conveyor system enclosed within a structure, demanding specialized maintenance to uphold optimal functionality and prevent material spillage.

Clutch Drive: A drive mechanism facilitating the disengagement of the motor from the reducer without stopping the motor or cutting power.

Clutch-Drive Brake: A drive system enabling the disengagement of the motor from the reducer and an immediate halt to conveyor movement without stopping the motor or cutting power.

CMMS: Abbreviation for Computerized Maintenance Management System, software designed for facilities and maintenance managers to organize, track, and optimize various processes within maintenance operations.

Coarse Pitch: The roller center spacing, measuring 37mm (1.458 in.), or 28 shafts per meter.

Coasting Distance: The distance a conveyor system continues to move after the power is turned off, requiring consideration for safety and operational planning.

Collapsible Conveyor: A flexible and expandable conveyor system, demanding regular checks to ensure the proper functioning of extension and retraction mechanisms.

Constant Speed Drive A conveyor drive that runs the belt or chain at one fixed speed, with no provision for varying it — the counterpart to an adjustable speed drive.

Continuous Integration Splice: A technique for seamlessly joining the ends of a conveyor belt without mechanical fasteners, demanding skilled installation and recurrent inspections.

Continuous Miner: A sophisticated mining apparatus seamlessly integrating a conveyor system, demanding meticulous, recurrent maintenance for optimal operational efficiency.

Continuous Weighing: The dynamic process of real-time material flow measurement on a conveyor belt, requiring periodic calibrations and vigilant checks to maintain a high level of precision.

Control Panel: The central command hub orchestrating and surveilling conveyor systems, necessitating regular scrutiny of electrical components, switches, and overall operational efficacy.

Controlled Flow Conveyor An enclosed drag or chain conveyor that moves bulk material en masse at a metered, uniform rate, so discharge stays steady regardless of how unevenly the material is fed in.

Converging: A dedicated segment on roller or wheel conveyors where two independent conveyors intersect, ensuring a smooth amalgamation into a singular conveyor path.

Conveying Surface: The operative area of a conveyor system where materials are transported, typically a flat or contoured structure supporting the items being conveyed. Regular inspections are essential to ensure its integrity, assess wear, and guarantee optimal functionality throughout the conveyor’s operation.

Conveyor Belt: A perpetually moving band, crafted from diverse materials like fabric, rubber, or metal, facilitating seamless object transport from one location to another; necessitates routine inspections for wear patterns, alignment, and splicing integrity.

Conveyor Belt Scale: A precision-engineered system designed for meticulous material weighing on the conveyor belt, mandating recurrent calibrations and checks to preserve and verify accuracy.

Conveyor Diverter Valve: A mechanism designed to redirect material flow from one conveyor path to another, prompting periodic inspections to ensure seamless functioning.

Conveyor Diverters: Mechanisms for guiding materials away from their current conveyor path to another, demanding regular inspections to ascertain continuous functionality and proper alignment.

Conveyor Frame: The foundational skeletal structure providing support to the conveyor belt, necessitating periodic scrutiny for alignment precision, structural robustness, and preemptive identification of potential damage.

Conveyor Guarding: An ensemble of protective barriers and devices strategically positioned to forestall access to moving components of a conveyor system, necessitating routine inspections for compliance and continual evaluation of the effectiveness of these protective measures.

Conveyor Idler: Rollers or a set of rollers providing support and guidance to the conveyor belt, demanding regular inspections for alignment, wear, and lubrication to ensure efficient operation.

Conveyor Impact Bed: A dedicated component designed to absorb the impact of material loading onto the conveyor belt, necessitating frequent inspections for wear and optimal functionality.

Conveyor Merge: The juncture where materials from diverse conveyors merge into a single flow, requiring checks to ensure seamless merging and proper alignment.

Conveyor Pulley: A rotating cylindrical component guiding and supporting the conveyor belt, demanding routine inspections for wear, balance, and precise alignment to maintain operational efficiency.

Conveyor Skid Plate: A protective plate situated on the underside of the conveyor belt to minimize friction and wear, necessitating periodic inspections to ensure continued effectiveness.

Conveyor Skirt Board: A protective barrier along the sides of the conveyor belt to prevent material spillage, requiring inspections for wear patterns and ongoing effectiveness.

Conveyor Transition: The section where the conveyor belt shifts from a flat profile to a troughed profile, necessitating checks to ensure smooth material transfer.

Conveyor Trough: The channel-shaped enclosure housing the conveyor belt, necessitating inspections for material spillage, wear, and alignment to maintain optimal conveyor functionality.

Conveyor Walkway: An elevated walkway for maintenance personnel along the conveyor’s length, demanding regular inspections for safety and structural integrity.

Cooling Conveyor: A specialized conveyor system designed to cool materials during transportation, necessitating checks for cooling mechanisms and the condition of the conveyor belt.

Corrugated Belt: A conveyor belt featuring a corrugated profile for enhanced flexibility and improved material containment, requiring checks for wear patterns and proper alignment.

Counter-Current Conveyor A conveyor on which a second stream, usually cooling or drying air, is directed against the direction of material travel, so the coolest air meets the hottest product. Used in coolers and dryers where heat transfer matters as much as transport.

Counter-Rotating: Conveyors with opposing rotational directions, necessitating regular alignment checks and maintenance to prevent interference.

Counter-Weight Take-Up: A tensioning device utilizing a counterweight to maintain proper belt tension, necessitating periodic adjustments for optimal performance.

Counterweight A weight hung on a gravity take-up to hold constant tension in the belt. It absorbs belt stretch and maintains slack-side tension; it does not balance the conveyed load.

Cross Belt Magnet: A device used for removing ferrous materials from the conveyor belt, demanding routine checks to uphold its proper functioning.

Cross-Bracing: Diagonally positioned rods and turnbuckles across roller bed or live roller conveyors, enhancing frame squareness crucial for precise tracking.

Crossover: A concise conveyor section inserted when the drive switches to the opposite side, distinct from conveyor crossover structures designed for personnel crossing, requiring precise installation considerations.

Crowned Pulley: A pulley tapering equally from both ends toward the center, with the greatest diameter at the midpoint, aiding belt tracking; requires periodic checks for effectiveness.

Crowning: The deliberate shaping of conveyor pulleys to facilitate belt tracking and prevent misalignment, necessitating regular assessments for ongoing effectiveness.

Curve Conveyor: A versatile wheel, roller, or belt conveyor designed to curve at specific sections, preserving seamless product flow and adapting to spatial needs, requiring specialized maintenance.

Cutting Blade: A tool essential for belt splicing or repair, demanding regular inspections for sharpness and consistent effectiveness.

Cycle Time: The duration for a complete cycle of conveyor operation, necessitating continuous monitoring for efficiency and identification of potential bottlenecks.

Cyclical Loading: The repetitive loading and unloading of materials on the conveyor, demanding regular inspections for wear, alignment, and sustained structural integrity.

Damping System: Mechanisms or components crafted to minimize vibrations and oscillations in the conveyor system, prompting routine checks to ensure continued effectiveness.

Dead Plate A fixed, non-driven plate that bridges the gap between two conveyors, or between a conveyor and a machine, so product slides across the transfer point. Product stalling on a dead plate is a fault to correct, not the plate’s purpose.

Decline Conveyor: A conveyor system where pallets and products travel on a downward slope, requiring specialized maintenance for smooth operation.

Deflection Drum: A drum strategically employed to redirect the conveyor belt, necessitating occasional inspections for wear, alignment, and seamless operation.

Degree of Incline: The angle at which a conveyor system slopes upward, demanding precise adjustments and regular checks.

Detachable Chain Link: A chain link designed for easy detachment during maintenance or replacement, requiring periodic inspections for wear and secure attachment.

Differential Curve: A segmented section of a curved conveyor featuring multiple side-by-side roller rows, requiring regular checks for smooth material flow.

Discharge Chute: A designed channel for materials to exit the conveyor, requiring periodic inspections to ensure proper flow and prevent material buildup.

Discharge End: The location on a conveyor where goods are removed for further processing, necessitating efficient material flow and regular inspections.

Diverter: A mechanism redirecting materials from one conveyor path to another, necessitating regular checks for proper functioning and alignment.

Diverter Gate: A gate or flap controlling the flow of materials on the conveyor, demanding inspections for smooth operation and effective material diversion.

Diverting Conveyor: A conveyor system used to move products to different areas for sorting or processing, requiring specialized maintenance.

Document Control and Compliance: Using the CMMS to manage and control documentation related to conveyor system maintenance, including manuals, procedures, and compliance records. This ensures that maintenance activities adhere to industry standards and regulatory requirements.

Double Pitch Roller Chain: A roller chain type with longer pitch links, necessitating regular lubrication and inspections for wear in conveyor applications.

Doughnut Rollers: Circular rollers with a central opening supporting and guiding the conveyor belt, requiring periodic checks for wear and alignment.

Drag Chain Conveyor: A conveyor where the open links of a chain drag material along the bottom of a housing, requiring regular inspections for chain wear, lubrication, and overall system integrity.

Drip Pan Conveyor: A conveyor with a built-in drip pan to catch and contain liquid spillage, necessitating regular cleaning and inspections.

Drive: A unit used to provide movement power for a conveyor. Parts generally include motor and reducer, chain, sprockets, and more.

Drive Alignment: The process of ensuring proper alignment between the drive pulley and other conveyor components, demanding regular inspections to prevent belt misalignment.

Drive Chain: The mechanical link transmitting power in chain-driven conveyor systems, requiring regular lubrication and tension adjustments.

Drive Pulley: The pulley responsible for transmitting power to the conveyor belt, requiring periodic assessments for wear, balance, and alignment.

Drive Unit: The motorized component propelling the conveyor belt, necessitating regular inspections for optimal performance.

Drive Unit Tensioner: A device maintaining proper tension in the conveyor belt, requiring periodic adjustments to prevent slack or excessive tension.

Dust Collection System: Equipment capturing and removing dust generated during conveyor operations, demanding regular maintenance to uphold air quality and prevent system clogging.

Dutchman: A short section of belt with lacing in a conveyor belt, removable when take-up provision has been exceeded, necessitating periodic checks.

Dynamic Braking System A braking method that runs the drive motor as a generator during deceleration and dissipates the recovered energy in resistors or returns it to the line, slowing the conveyor without mechanical friction.

Dynamic Impact Bed: A specialized component absorbing and mitigating the impact of material loading onto the conveyor belt, necessitating periodic inspections for wear and effective functionality.

Dynamic Load: The varying load on the conveyor system during operation, necessitating continuous monitoring and adjustments for optimal performance.

Dynamic Start/Stop Control: A control system managing the gradual starting and stopping of the conveyor, requiring regular adjustments for optimal performance and reduced wear.

Dynamic Weighing System: A system integrated into the conveyor for real-time measurement of material weight during transit, demanding regular calibrations for accuracy.

Eccentricity Degree: The extent of deviation of a pulley’s center from its true axis, demanding routine assessments to maintain alignment and prevent misalignment issues for sustained smooth operation.

Electronic Zero-Pressure Logic (EZLogic): Hytrol’s electronic control for zero-pressure accumulation conveyor, which holds cartons in individual zones without letting them touch. Commonly written EZLogic.

Emergency Activation Cord: A specially coated cord running parallel to the conveyor system, deployable in emergencies to swiftly halt conveyor operations, often paired with an Emergency Stop Switch. Also called an emergency pull cord.

Emergency Halt Mechanism: A safety feature enabling the immediate cessation of conveyor operations in emergency scenarios, necessitating regular tests and inspections to ensure continual reliability.

Emergency Shutdown (Stop) Switch: An electrical mechanism strategically placed to instantaneously cease conveyor functions during emergency situations, typically used alongside an Emergency Activation Cord.

End Pulley The pulley at either end of a conveyor. At the discharge end it is the head pulley; at the loading end, the tail pulley.

End-Drive Conveyor System: A conveyor configuration with the drive unit situated at one end, requiring periodic checks to uphold proper alignment and ensure the system’s efficient operation.

Endless Splice: The technique used to connect the terminals of a conveyor belt, creating an unbroken loop without relying on mechanical fasteners. This process requires expert installation and regular inspections.

Enterprise Asset Management (EAM): An integrated methodology for overseeing the complete lifecycle of physical assets, designed to optimize utilization, enhance cost efficiency, elevate quality standards, ensure health and safety, and safeguard environmental well-being.

Ergonomics: The field of study dedicated to designing conveyor systems and workspaces to improve worker safety, comfort, and efficiency. Ongoing assessments and enhancements are essential components of this discipline.

Excess Wear Wear that has passed the allowable limit for a component — chain elongated beyond its wear limit, lagging worn below minimum thickness, a roller shell worn through — at which point the part is replaced rather than monitored.

Expansion Joint: A flexible connection between conveyor sections to accommodate thermal expansion, demanding periodic checks for proper functioning.

Extendable Conveyor A roller or wheel conveyor that can be lengthened or shortened within limits to suit the job, commonly used at a loading dock to reach into a trailer.

External Wear Liner: A protective layer or coating applied to conveyor components exposed to external wear, requiring regular inspections and replacement as needed.

Eyebolt: A bolt featuring a looped head, designed for lifting or attaching components within the conveyor system, warranting inspections to validate proper installation and sustained structural integrity.

Eyelet Linkage (Splice): A technique for securely joining the ends of a conveyor belt using a looped connection, requiring adept installation and regular assessments to monitor wear and ensure ongoing security.

Face Width: The measurement across the outer face of the pulley on the conveyor belt, demanding periodic checks for alignment and wear to ensure optimal performance.

False Brinelling: A type of bearing damage resulting from small oscillations during rest periods, necessitating regular inspections to prevent premature wear.

Fastener Plate: A metal plate integral to mechanical belt fastening systems, requiring regular inspections for secure attachment and wear resistance.

Feeder Conveyor: A conveyor responsible for transferring materials onto a main conveyor, necessitating periodic checks for proper feeding and alignment.

Finger Guard: Protective barriers or devices designed to prevent personnel from accessing moving parts of a conveyor, necessitating routine checks for compliance and effectiveness.

Fixed End: The point on a conveyor system where components are permanently secured, requiring occasional checks for stability and proper attachment.

Fixed Guard: Stationary protective barriers installed on conveyors to prevent access to hazardous areas, requiring regular inspections for integrity and compliance.

Flapper Gate: An articulated or pivoting plate strategically employed to guide material selectively on a conveyor system, demanding periodic evaluations for precise functioning.

Flat Surface Pulley: A pulley featuring a straight cylindrical drum face, devoid of crown contours, requiring regular inspections for wear, equilibrium, and proper alignment.

Flexible Conveyor: A conveyor system with movable sections for adaptable material handling, requiring regular inspections for flexibility, alignment, and overall functionality.

Flights: Protrusions or cleats attached to the conveyor belt to assist in material transport, requiring periodic inspections for wear and proper alignment.

Flow Rail: Channels or rails facilitating the smooth movement of materials in a gravity conveyor system, necessitating checks for proper flow and alignment.

Flow-Through Tail: A conveyor tail design that allows materials to pass through, demanding inspections for smooth operation and potential blockages.

Fluted Rollers: Rollers with a grooved or ribbed surface to enhance material grip, necessitating periodic checks for wear, alignment, and proper functionality.

FPM (Feet Per Minute): The abbreviation for feet per minute, a unit of measurement for conveyor speed.

Frame Alignment: The adjustment of conveyor frame components to maintain straight and parallel alignment, necessitating routine checks to prevent misalignment issues.

Frame Spacer: Cross connections strategically employed to ensure appropriate separation between the frame rails in a conveyor system, necessitating routine assessments for stability and alignment.

Frame Support Structure: The framework that provides essential support to the machinery components of a conveyor, demanding regular inspections to uphold structural integrity and alignment.

Friction Drive System: A propulsion mechanism reliant on the interaction of the conveyor belt with the drive pulley, demanding frequent inspections for wear and proper tension to ensure optimal functionality.

Friction Roller: A roller that provides additional traction to the conveyor belt, necessitating periodic checks for wear, alignment, and smooth operation.

Full Load Amperage The current a motor draws at its nameplate rating — rated horsepower, voltage and speed — in continuous operation. Distinct from locked-rotor amperage, the far higher inrush current drawn at start-up.

Gate: A conveyor segment equipped with a hinge mechanism, creating an opening for walkway access, operated manually or with a spring-loaded mechanism.

Gate Opening The clear span created when a hinged conveyor gate section is raised: the width and height of the passage available to walk through.

Gear Motor Unit: A motor and speed reducer built as a single unit driving the conveyor. The motor converts electrical energy into mechanical rotation; the gearing then reduces output speed and multiplies torque. Also written gearmotor.

Gradual Material Erosion: The progressive loss of material due to friction and abrasion, requiring systematic inspections and maintenance to prevent equipment failure.

Gravity Bracket: A bracket designed for the attachment of gravity conveyors to the ends of powered conveyors.

Gravity Conveyor System: A non-powered conveyor system relying on gravity for material movement, requiring periodic checks for proper flow and alignment.

Gravity Roller: Rollers in a gravity conveyor system that use gravity to move materials, requiring inspections for wear, alignment, and smooth operation.

Guard Rail: Protective barriers or rails installed along the conveyor to prevent materials from straying, requiring regular inspections for stability and effectiveness.

Guide Roller: A roller designed to guide and support the conveyor belt, necessitating regular checks for wear, alignment, and smooth operation.

Hazard Evaluation: The methodical process of recognizing, evaluating, and addressing potential hazards in a conveyor system to implement suitable safety measures, necessitating consistent updates and adjustments to address evolving conditions.

Head Drive Conveyor: A conveyor system with the drive unit positioned at the discharge end, demanding periodic assessments for precise alignment and efficient operation to guarantee optimal performance.

Head Pulley: The pulley at the discharge or delivery end of the conveyor, requiring regular evaluations for wear, balance, and alignment to sustain dependable functionality.

Herringbone Wing A wing pulley whose wings are set in a double-V, or herringbone, pattern rather than straight across. The angled wings shed fines and reduce the belt vibration and shell wear that straight wings cause.

Hog Rings: Circular mechanisms that securely grip a shaft inside a roller, demanding consistent checks for tightness and integrity to prevent roller malfunction.

Hold Down Mechanism: Devices used to secure objects on a conveyor and prevent unintended movement, necessitating regular evaluations for proper functioning and adjustments based on material characteristics.

Horizontal Conveyor A conveyor that runs level, with no rise or fall between the loading and discharge ends.

Horizontal Floor Space: The spatial requirement for housing and storing a conveyor system, demanding consideration for efficient space utilization and accessibility.

Horsepower (HP): A quantification of the time rate of doing work, defined as the force required to raise 33,000 pounds by one foot in one minute. In electrical terms, one horsepower is equivalent to 746 watts.

Hydraulic Conveyor: A conveyor system utilizing hydraulic power for material movement, demanding inspections for fluid levels, leaks, and overall functionality to prevent system failure.

Hydraulic Take-Up: A tensioning device in a conveyor system that uses hydraulic pressure to maintain belt tension, requiring regular checks for fluid levels and system integrity to ensure proper tension control.

Hz (Hertz): An electrical term for a unit of frequency equal to one cycle per second, necessitating consideration for motor specifications and power supply compatibility.

Incline Conveyor A conveyor that transports material up a slope. Periodic inspections check alignment, belt tension and the cleats or surface that keep product from sliding back.

Incline Conveyor Length: The length determined by evaluating the elevation change from the infeed to discharge points in relation to the degree of incline. Understanding and measuring this length is crucial for proper conveyor system design and performance.

Indexing: The process of separating a designated quantity of products from a larger group, typically achieved with a singulation-specific indexer conveyor. This ensures precise control and organization of materials during the conveying process.

Infeed Conveyor: A conveyor responsible for introducing materials into a production or processing line, demanding regular checks for consistent material flow and proper alignment.

Infeed End: The end of a conveyor system located closest to the loading point, where materials are introduced onto the conveyor. Regular inspections are necessary to maintain efficient material transfer.

Infrared Thermography: A maintenance technique utilizing infrared technology to detect and monitor temperature variations in conveyor components, requiring periodic assessments for identifying potential issues.

Inspection Door: A hinged or removable door in the conveyor structure, providing access for inspections, demanding routine checks for proper functioning and secure closure.

Interlock: A safety mechanism that ensures one component or device cannot operate unless another is in a predetermined state, necessitating regular checks to maintain safety compliance.

Intermediate Bed: A central section of the conveyor that does not house the drive or tail assemblies. Periodic assessments of the intermediate bed contribute to overall conveyor system maintenance.

Intermediate Drive: Additional drive units positioned along the length of a conveyor to provide added power, demanding periodic inspections for alignment and efficiency.

Internal Wear Liner: A protective layer applied to the internal surfaces of conveyor components to mitigate wear, requiring regular inspections and replacement as needed.

Interpolate: The action of calculating intermediate measurements within a given range. This process is essential for maintaining accuracy and consistency in conveyor system operations.

Inventory Management: Conveyor inventory management for spare parts involves systematically tracking, organizing, and optimizing the stock of spare components used in conveyor systems to ensure efficient maintenance, minimize downtime, and enhance overall operational reliability.

Inverter: A device used to control the speed of a conveyor motor, necessitating periodic checks for proper calibration and functionality.

Inverter Drive: A drive system that utilizes an inverter to control the speed of the conveyor motor, demanding regular inspections for calibration and efficiency.

Inverter Motor: A motor designed to work with an inverter for variable speed control, requiring periodic checks for proper functionality and alignment.

Jam Sensor: A specialized sensor within a conveyor system crafted to identify and signal the presence of material jams or blockages. Consistent checks are crucial to maintaining the accuracy and responsiveness of the jam sensor.

Jib Crane A crane with a horizontal boom, or jib, cantilevered from a wall bracket, floor mast or column, with a hoist trolley that travels the jib while the jib itself slews through an arc. Used to lift drives, pulleys and gearboxes within a fixed work area.

Jog Control: A control mechanism enabling manual adjustments or precise movement of conveyor components in small increments. Regular inspections are necessary to ensure the effective functionality and safety of the jog control.

Joint Fastener: A dedicated device utilized to securely connect and fasten the ends of conveyor belts. Routine checks are required to verify and uphold the strength and integrity of the joint fastener.

Junction Box: An enclosure specifically designed to protect electrical connections in a conveyor system. Ongoing checks are essential to safeguard the integrity of electrical connections and prevent issues such as shorts or malfunctions.

Junction Roller: A roller strategically positioned at conveyor junctions to facilitate and guide material flow. Regular inspections are critical to ensuring the proper alignment and functional reliability of junction rollers.

Kevlar Reinforcement: A form of material fortification employed in conveyor belts, harnessing the strength and durability of Kevlar fibers. Routine inspections are imperative to validate the integrity and sustained performance of the reinforced conveyor belt.

Keyless Locking Device: A mechanical apparatus utilized for linking shafts without a traditional key, necessitating regular scrutiny to ensure precise alignment and secure fastening, mitigating the risk of inadvertent disconnection.

Kick Plates: Protective barricades strategically positioned along the conveyor sides to avert material spillage or protrusion. Periodic examinations are mandatory to ascertain their stability and sustained efficacy.

Knee Braces: Braces strategically angled against other structural supports to provide vertical stabilization for conveyors. Regular checks are essential to maintain the angular stability and structural integrity of knee braces.

Knife Edge Conveyor Belt A belt conveyor whose end uses a very small transfer radius — a nose bar or small-diameter roller — so small or flat items pass to the next conveyor across a minimal gap. Nothing on it is sharpened.

Knurl Thumb Adjustable Nut: A specialized nut designed for accumulating conveyors, allowing tool-free adjustments to the pressure required for product movement. Regular checks ensure optimal functionality and pressure settings.

KPI (Key Performance Indicator): Metrics and benchmarks employed to gauge the effectiveness and efficiency of conveyor system maintenance practices. Regular assessments are critical for fostering continuous improvement in conveyor system performance.

Lacing: The method of attaching both ends of a belt segment using specialized fastening materials, demanding careful installation and periodic checks for tightness and integrity.

Lagged Pulley: A pulley featuring a surface crowned with material, typically rubber, to enhance friction with the conveyor belt. Regular checks are essential to maintain the effectiveness of the lagged pulley.

Lagging: A covering, usually rubber or ceramic, bonded to the face of a drive pulley to raise friction against the belt and cut slippage. It wears as a consumable and is inspected for thickness, bond and grooving. Also called non-slip pulley lagging.

Lateral Stability: The capability of a conveyor system to maintain side-to-side stability during operation. Regular assessments are required to prevent issues related to misalignment and potential material spillage.

Leveling Feet: Adjustable supports or feet beneath the conveyor structure allowing precise leveling and stabilization. Regular adjustments may be needed to ensure proper alignment and balance.

Lift and Transfer: A device designed for lateral movement of products between conveyor lanes or systems, requiring regular inspections for smooth operation and proper alignment.

Limit Switch An electromechanical switch whose lever, roller, plunger or whisker is physically displaced by a moving object, opening or closing its contacts. On conveyors it senses product position and the travel limits of diverters, gates, lifts and take-ups.

Line Pressure The back pressure a line of accumulated product exerts on the carton at the front of the queue. Minimum-pressure and zero-pressure accumulation conveyors are built to limit or remove it.

Live Roller Conveyor: A system comprising a series of powered rollers facilitating the movement of objects through the application of power to either all or some of the rollers. The power transmitting medium is typically in the form of belting or chain.

Load Centering Device: Mechanisms or devices crafted to maintain the material load precisely centered on the conveyor, ensuring a harmonized and efficient movement. Regular checks are imperative to prevent deviations that may lead to imbalance.

Load Zone: The designated section of the conveyor responsible for material loading onto the belt. Frequent inspections are essential to proactively address potential issues such as spillage, misalignment, and excessive wear.

Looped Connection Splice: A technique employed for joining the ends of a conveyor belt through a looped connection, requiring the proficiency of expert installers and regular checks for wear and security.

Lubrication System: A systematically designed system tailored to apply lubricants to crucial conveyor components, such as bearings and chains, mitigating friction and preventing premature wear. Rigorous maintenance practices are critical to uphold optimal performance.

Luffing Conveyor: An adaptable conveyor system featuring an adjustable conveyor belt angle, accommodating changes in elevation. Periodic inspections are indispensable to uphold precise luffing adjustments and preemptively address any issues related to material flow.

Luffing Pulley: A specialized pulley crafted to regulate the conveyor belt angle in a luffing conveyor system. Regular checks are imperative to preserve proper functionality, preventing misalignments.

Lump Size: The maximum dimensions of material particles that a conveyor can efficiently handle. Regular assessments are essential to ensure the conveyor’s compatibility with the specific lump size of materials.

Machine-Crafted Crowned Pulley: A pulley featuring a precisely machined crown or vertex, created through automated processes, typically computer-driven, to ensure accurate contours and enhance performance.

Magnetic Conveyor: A specialized conveyor equipped with magnets designed for the transportation of magnetic materials. Regular inspections are essential to assess magnet strength, alignment, and overall functionality.

Magnetic Starter: An electrical device that not only initiates the conveyor’s motor but also provides vital overload protection. Regular checks are necessary to ensure proper motor control and protection.

Main Drive: The primary power source responsible for propelling the conveyor system. Routine inspections are crucial to maintaining optimal functionality, alignment, and overall performance.

Maintenance Logbook: A comprehensive record that documents all maintenance activities, inspections, and repairs performed on the conveyor system. It serves as a historical record for system health and adherence to maintenance schedules.

Maintenance Scheduling: A predefined plan outlining regular tasks and intervals for inspecting, servicing, and repairing conveyor components. It ensures proactive upkeep and prolonged system reliability.

Manual Activation Switch: A simple one-direction switch used to manually turn the conveyor on and off, providing straightforward control over system operation.

Mat Top Conveyor: A conveyor featuring a flat, solid surface, commonly used for transporting larger items. Periodic checks are necessary for wear, alignment, and smooth material flow.

Material Flow Optimization Analyzing and adjusting conveyor rates, product spacing, buffer capacity and bottlenecks so throughput rises without adding equipment.

Material Handling Procedures: The overall process of moving, controlling, and manipulating materials on the conveyor system. Continuous evaluations are necessary for efficiency, safety, and optimal workflow.

Mechanical Belt Splicing: A method of joining conveyor belts using mechanical fasteners. Periodic checks are required to ensure secure connections, assess wear, and maintain overall stability.

Metal Detection System: An integrated system designed to detect metal objects on the conveyor belt. Regular inspections and calibrations are necessary for accurate performance and system integrity.

Microprocessor-Based Control: An advanced control system utilizing microprocessors for precise and automated conveyor operation. Regular monitoring is essential for software updates, functionality, and calibration.

Minimum Pressure Accumulating Conveyor: A specialized conveyor designed to minimize pressure buildup between adjacent packages or cartons. Regular checks ensure efficient material flow.

Misalignment Safety Switch: A safety device designed to detect and respond to conveyor misalignment. Regular inspections and adjustments are essential for proper functionality and system safety.

Modular Belt Structure: A conveyor belt composed of individual interlocking modules. Periodic checks are necessary to assess module integrity, alignment, and overall belt condition.

Motor Alignment Adjustment: The meticulous positioning of conveyor motors to guarantee efficient power transmission. Regular inspections and fine-tuning of the alignment sustain optimal motor performance.

Motorized Pulley: A compact, motor-driven pulley integral to the conveyor system, requiring periodic inspections for proper functioning, lubrication, and overall health.

Motorized Roller Conveyor System: A conveyor system with rollers powered by individual motors. Regular inspections are essential for assessing roller and motor health, alignment, and overall functionality.

Muff Coupling The simplest rigid shaft coupling: a hollow sleeve slipped over both shaft ends and keyed in place. It transmits torque but cannot accommodate any misalignment.

Multilevel Conveyor Structure: A conveyor system with multiple tiers or levels, necessitating frequent inspections for stability, alignment, and material flow on each level.

Multiple Strand Conveyor Chain: A conveyor chain with multiple parallel strands, requiring regular assessments for wear, tension, and overall integrity.

Negative Crowned Pulley A pulley with raised areas set equally in from each end, used on tail pulleys 24 in. OAW and wider to assist belt tracking.

Net Lift: The net vertical distance through which material is conveyed against gravity by a conveyor system. Periodic assessments are necessary to ensure efficient material movement.

Nip Point Guard: A guard positioned to block access to a nip or pinch point on the conveyor — where the belt meets a pulley, or a chain meets a sprocket. It does not remove the nip point; it prevents anyone reaching it. Periodic inspection confirms it is in place and effective.

Noise Level: The extent of sound volume produced during the operation of a conveyor system. Regular evaluations are imperative to identify and mitigate heightened noise levels effectively.

Nominal Belt Tension: The pre-established or recommended tension level designed for a conveyor belt under typical operating conditions. Consistent examinations are essential to sustain optimal belt tension, mitigating issues like slippage and undue wear.

Non-Clogging Tail Pulley: A tail pulley crafted to curtail material buildup and thwart clogging issues. Regular inspections are vital to guarantee seamless operation and unobstructed material flow.

Non-Contact Sensor: A sensor integrated into conveyor systems that operates without direct physical contact with the material or object being detected. Routine inspections are imperative to ensure precise sensing.

Non-Contact Switch: A safety switch within a conveyor system designed to activate without requiring physical contact. Regular checks are crucial to ascertain consistent responsiveness.

Non-Drive End: The termination point of the conveyor system where components lack direct connections to the drive unit. Periodic checks are essential to maintain stability and ensure proper alignment.

Non-Powered Roller: Rollers in a conveyor system devoid of a dedicated power source, relying on external forces for movement. Regular inspections are crucial to assess wear, alignment, and overall functionality.

Non-Resettable Counter: A counter within a conveyor system resistant to manual resetting, offering precise and tamper-proof tracking of specific events or quantities. Systematic monitoring is necessary for dependable data acquisition.

Nose Bar Transfer: A conveyor system design incorporating a nose bar to facilitate the seamless transfer of materials between conveyors. Periodic checks are requisite for ensuring proper alignment and efficient material transfer.

Nose Roller: A small roller employed on power belt curve conveyors to minimize gaps at transfer points. Regular inspections are indispensable to uphold effective functionality.

Noseover: A segment of the conveyor equipped with transition rollers to ensure a smooth transition from incline to horizontal or vice versa. Periodic inspections are necessary for sustaining proper functionality and optimal material flow.

Notched Belt: A conveyor belt featuring notches or cutouts to accommodate specific product shapes. Regular inspections are imperative to ascertain the integrity of the notched belt.

Nozzle: A device within a conveyor system that releases air or other substances for diverse purposes, such as cleaning or cooling. Regular checks are vital to guarantee optimal nozzle performance and prevent potential clogs.

NPT (National Pipe Thread) The US standard tapered pipe thread form, ANSI/ASME B1.20.1, used on threaded fittings and ports throughout conveyor pneumatics and lubrication lines. The taper is what makes the joint seal. NPT names a thread form covering many sizes, not a size in itself.

Null: A term denoting a state of no movement or a zero position within a conveyor system. Regular monitoring is essential to promptly identify unexpected null conditions.

Null Zone: A designated area within a conveyor system where the absence of products or materials is intended. Regular monitoring is crucial to preserve the integrity of the null zone.

Nylon Conveyor Belt: A conveyor belt crafted from nylon material, known for its robustness and durability. Periodic inspections are necessary to evaluate wear patterns and maintain overall condition.

Nylon Fabric: Fabric material derived from nylon fibers and utilized in various conveyor components, such as belts and covers. Regular checks are indispensable to uphold integrity and durability.

Nylon Rollers: Rollers within a conveyor system constructed from nylon material, acknowledged for their durability and resistance to wear. Regular inspections are essential to ensure proper alignment and confirm overall functionality.

Nylon Slider Bed: A conveyor bed design featuring a slider surface composed of nylon material. Frequent inspections are requisite to monitor wear patterns, assess alignment, and facilitate proper material flow.

Nylon Sprockets: Sprockets incorporated into a conveyor system, constructed from nylon material and often employed in chain-driven applications. Regular assessments are necessary to evaluate wear and confirm overall condition.

Nylon Wear Strip: A strip composed of nylon material, strategically employed to diminish friction and wear in specific areas of a conveyor system. Regular checks are essential to preserve effectiveness.

Nylon Webbing: Webbing material produced from nylon fibers, utilized in the construction of conveyor belts. Periodic inspections are crucial to assess condition, alignment, and wear.

Nylon-Covered Bearings: Bearings within a conveyor system shielded with a layer of nylon material to augment durability and reduce friction. Regular checks are requisite to monitor wear and evaluate overall condition.

Nylon-Reinforced Belt: A conveyor belt fortified with additional layers of nylon material for heightened strength and extended longevity. Regular inspections are essential to evaluate condition, alignment, and wear.

Nylon-Rubber Compound: A material compound integrated into conveyor components, combining the properties of nylon and rubber to enhance durability and flexibility. Regular checks are necessary to validate integrity.

Offset Side Frame: A deliberately misaligned side frame within a conveyor system, tailored to meet specific production demands. Routine checks are essential for preserving stability and precise alignment.

Oil-Resistant Belt A belt with a cover compounded, commonly with nitrile, to resist oil. Oil does not corrode belting: it penetrates and swells the rubber, softening the cover and weakening the carcass until the plies separate.

Oil-Resistant Roller: Rollers designed for a conveyor system to effectively withstand the adverse impacts of oil exposure. Periodic checks are imperative for assessing condition, alignment, and overall structural integrity.

Operational Status Indicator: An indicator integrated into a conveyor system, offering real-time information about its present operational state. Consistent monitoring is indispensable to ensure precision and continued functionality.

O-Ring: Circular bands strategically utilized to facilitate the transmission of drive power between spools and rollers on a conveyor. Periodic assessments for wear, alignment, and overall integrity are required.

O-Ring Drive: A drive system within a conveyor that harnesses O-ring belts for power transmission. Regular inspections are vital for evaluating the condition, tension, and alignment of O-ring belts.

Over-Temperature Sensor: A sensor in a conveyor system designed to detect and respond to elevated temperatures. Regular inspections and calibrations are necessary to maintain accuracy and functionality.

Over-Tensioning: The condition wherein a conveyor belt is excessively tensioned, leading to increased wear and reduced system efficiency. Regular assessments are required to prevent over-tensioning.

Over-Tightening: The condition wherein components in a conveyor system, such as bolts or fasteners, are excessively tightened. Regular checks are necessary to prevent over-tightening, which can lead to mechanical issues and system damage.

Overall Length (OAL): A term characterizing the span of a conveyor from one exterior pulley to the other, inclusive of belting or lagging, defining the conveyor’s lengthwise configuration.

Overhead Conveyor: A conveyor system strategically positioned above the working area, serving the purpose of material transport in an overhead arrangement. Periodic inspections are imperative to uphold safety standards and precise alignment.

Overhead Drive: A drive assembly mounted over the conveyor, providing crucial clearance and space for products in motion.

Overhead Guard: A robust protective structure installed above a conveyor system, effectively mitigating potential overhead hazards. Regular checks are mandated to guarantee ongoing stability and effectiveness.

Overhead Trolley Conveyor: A conveyor system employing overhead trolleys or carriers for the efficient transport of materials. Regular inspections are imperative to validate proper alignment and assess the functionality of trolleys.

Overload Protection: Safety mechanisms designed to avert potential damage to the conveyor system caused by excessive loads. Consistent checks are indispensable to validate precise functioning and calibration.

Overturning Moment The turning effect that tends to tip a conveyor structure — a lateral or eccentric force multiplied by its lever arm about the tipping edge. It is resisted by the restoring moment of the structure’s own weight and its anchorage.

Package Flow Conveyor: A conveyor system installed within racking, featuring either a wheel bed or roller configuration.

Package Stop: Various devices, whether manual or mechanical, utilized to halt movement on a conveyor.

Pallet Conveyor: A specialized conveyor system engineered for transporting palletized goods, necessitating regular inspections to ensure alignment, load capacity, and overall functionality.

Pallet Flow Conveyor: A conveyor specifically designed for the smooth movement of pallets, containers, and heavy loads, typically within a rack structure.

Parallel Roller Conveyor: A type of conveyor system characterized by multiple rollers aligned parallel to each other, requiring regular checks for roller health, alignment, and efficient material flow.

Parts Accumulator: A component in a conveyor system that temporarily holds and accumulates products or materials, necessitating periodic inspections for proper functioning and capacity management.

Parts Conveyor: The conveyor system used to catch and gather smaller parts and debris away from the production areas in a warehouse.

Passive Roller A roller that is not driven and turns freely under the load it carries, as in a gravity conveyor or as an idler supporting a belt.

Photo Eye: A sensor designed to identify the presence of a load within a conveyor system.

Photoelectric Sensor: A sensor in a conveyor system that uses light beams for material detection, demanding regular inspections for accurate sensing and preventing false readings.

Pitch: The distance between the center points of adjacent components in a conveyor system, necessitating periodic assessments to maintain proper pitch dimensions for optimal system performance.

Pivot Plate: The gusset that attaches the conveyor to the support leg.

Plastisol Coating: Polyvinyl chloride (PVC) covering for roller tubes to prevent product damage or marking. Usually #70 durometer green or #90 durometer red in color.

PLC: Programmable logic controller used to automate conveyors and program a sequence or operation of single or multiple conveyors.

Plow: A mechanism strategically positioned across the conveyor path at the appropriate angle to discharge or divert objects.

Plugged Chute Switch: A safety device integrated into a conveyor system to identify and address material blockages in chutes, necessitating routine inspections for proper functionality and system safety.

Pneumatic Conveyor: A conveyor system employing air pressure for material transport, requiring regular assessments of pneumatic system integrity, pressure levels, and overall efficiency.

Pneumatic Cylinder: A component of a conveyor system utilizing compressed air for generating linear motion, calling for periodic inspections to check for leaks, pressure levels, and overall cylinder performance.

Poly-Tier Support: Adjustable support structures designed to accommodate the load and weight of multi-tiered conveyor systems.

Polymer Conveyor Chain: A conveyor chain crafted from polymer materials, delivering advantages such as corrosion resistance and reduced noise. Regular evaluations are essential to monitor wear, tension, and overall chain integrity.

Pop-Out Roller: A roller typically positioned at the ends of a belt conveyor, aiding in transfer, and set in a broad groove to eject if an object intervenes between it and the belt.

Portable Conveyor: Any type of conveyance that is mobile, usually featuring supports that provide mobility.

Portable Support: Support mechanisms for portable conveyors, equipped with castors and wheels to facilitate easy movement.

Position Sensor: A sensor in a conveyor system that detects the position of materials, demanding regular inspections for accurate sensing and responsiveness.

Positive Crowned Pulley: A pulley designed with an upward curve at both ends converging toward the center of a conveyor, aiding in the proper alignment and tracking of the conveyor belt.

Power Belt Curve: A curve conveyor guided by tapered pulleys that use a belt.

Power Conveyor: A conveyor system that requires power to operate and move packages.

Power Turn Conveyor: A conveyor system with a curved section that allows materials to change direction, necessitating periodic checks for alignment, belt condition, and overall functionality.

Powered Feeder: The mechanized section of a conveyor system responsible for transferring products from a horizontal orientation to an inclined position through powered movement.

Powered Roller Conveyor: A roller conveyor whose rollers are driven rather than gravity-fed. Drive arrangements include line shaft, belt-driven live roller, chain-driven live roller, and motorized driven roller (MDR), in which each zone carries its own motor.

Precision Alignment Setting conveyor components to a stated tolerance against a reference line, laser or piano wire, rather than by eye, so pulleys, shafts and frames come in square within thousandths instead of approximately true.

Precision Bearings: High-quality bearings used in conveyor components for enhanced durability and reduced friction, necessitating regular checks for wear, alignment, and overall bearing condition.

Pressure Relief Valve: A safety device in a conveyor system that releases excess pressure to prevent system damage, demanding regular inspections and adjustments for proper functioning.

Pressure Roller: A specialized roller employed to maintain contact between the driving belt and the load-carrying rollers within a belt-driven live roller conveyor system.

Preventive Maintenance: Planned maintenance activities performed at scheduled intervals to prevent potential issues, extend conveyor system life, and ensure continuous reliability.

Product Footprint: The part of the product that touches any part of the conveyor, including wheels, belts, or rollers.

Proximity Sensor: A sensor in a conveyor system that detects the presence or absence of materials without physical contact, necessitating regular inspections for accurate sensing and responsiveness.

PTFE-Coated Conveyor Belt: A conveyor belt coated with polytetrafluoroethylene (PTFE) for enhanced non-stick properties and resistance to heat. Periodic inspections are necessary to assess wear and overall belt condition.

Pull Cord Switch: A safety device in a conveyor system that stops the conveyor when the pull cord is activated, demanding regular inspections for proper tension and responsiveness.

Pulley A cylindrical drum mounted on a shaft that guides, drives or tensions the conveyor belt. Its face may be plain, crowned, lagged or winged.

Pulley Lagging: The application of a layer of material to pulley surfaces to enhance grip and reduce slipping with the conveyor belt, necessitating regular inspections for maintenance and effectiveness.

Push-Button Station: An electrical mechanism that triggers and operates a magnetic starter.

Pusher: A device, normally air powered, that pushes product 90 degrees off one conveyor line onto another line, a chute or a takeaway station. The pushing element may be a flat plate, a paddle or an arm on the cylinder rod.

Pusher Sorter: A sorting device in a conveyor system that uses pushers to divert materials onto different paths, necessitating regular inspections for proper operation and alignment.

PVC Belt: A type of conveyor belt made from polyvinyl chloride (PVC) material, known for its versatility and resistance to wear. Periodic inspections are essential to assess wear and overall belt condition.

Pyramidal Hopper: A hopper in a conveyor system with a pyramidal shape, used for efficient material feeding. Regular inspections are necessary to prevent blockages and ensure proper material flow.

Quality Control: The process of ensuring that conveyor components and systems meet specified standards and criteria, demanding continuous monitoring and inspections to maintain quality performance.

Quick-Release Belt Fastener: A belt fastening system that allows for easy and rapid removal and replacement of conveyor belts. Regular checks are necessary to ensure the secure fastening and integrity of the conveyor belt.

Quick-Release Chain Link: A chain link design that enables swift and convenient removal and replacement of conveyor chains. Periodic inspections are essential to assess wear, alignment, and overall chain condition.

Quiet Conveyor A conveyor built to run at reduced noise using UHMW chain and wear strips, polymer- or urethane-covered rollers, sealed precision bearings, and belt rather than roller conveying.

Rail Car Unloading Conveyor: A conveyor system dedicated to the swift and efficient unloading of materials from rail cars. Regular inspections are essential to maintain peak performance and prevent challenges related to material flow.

Rail Splice: A methodical approach to connecting sections of conveyor track, particularly prevalent in overhead conveyor systems. Routine checks are vital to uphold the stability and structural integrity of rail splices.

Rail Support Bracket: A bracket crucial for supporting and securing conveyor rails, ensuring stability and precise alignment. Periodic inspections are imperative to sustain structural integrity and alignment.

Reclaimer Conveyor: A conveyor system specifically designed for the reclamation of bulk materials, commonly used in storage yards. Consistent checks are crucial to maintain efficiency and reliability.

Reducer A gearbox fitted between the motor and the drive pulley or sprocket. It lowers the motor’s output speed and raises torque in the same proportion.

Regenerative Brake: A braking system in a conveyor that recovers and utilizes energy during deceleration, enhancing overall efficiency. Ongoing checks are essential to maintain effectiveness and safety.

Remote Monitoring: A system allowing the monitoring and control of conveyor operations from a distant location, often through digital technology. Regular assessments are necessary to ensure connectivity, accuracy, and security.

Return Idler: An idler roller strategically positioned underneath the conveyor belt, dedicated to providing support to the return portion of the belt. Regular inspections are essential to validate alignment, rotation, and overall condition.

Reverse Action: An operational mode in a conveyor system where the direction of material flow is intentionally reversed. Regular inspections are imperative to guarantee the proper functionality and safety of components engaged in reverse action.

Reversible: Denoting a conveyor system designed to facilitate the movement of cartons and products in any direction.

Reversible Conveyor: A conveyor system engineered with the capability to alter the direction of material flow. Consistent checks are crucial to sustain overall functionality, alignment, and safety standards.

Rip Detection: A system devised to identify and promptly signal the presence of a rip or tear in the conveyor belt.

Roller: The mechanism attached to conveyor beds that moves products along, driven either by power or by gravity.

Roller Bed: The planar surface of the conveyor outfitted with an ensemble of wheels and rollers, forming a stage where products rest and travel, driven by either power or gravity.

Roller Bed Conveyor: A type of conveyor featuring rollers strategically positioned along the bed surface to offer support and seamless transportation of materials. Periodic inspections are necessary to evaluate roller condition and alignment.

Roller Center: A measure of the distance between the pivotal cores of two rollers on the conveyor bed, measured from axle center to axle center.

Roller Chain: A chain purposefully integrated into conveyor systems to transmit power between components. Regular scrutiny is indispensable to preserve tension, lubrication, and structural integrity.

Roller Conveyor: A conveyor configuration marked by the alignment of rollers across beds, carving a thoroughfare where cartons and products travel, driven by power or gravity.

Roller Diameter The outside diameter of the roller tube, measured across the circular face. Common conveyor sizes are 1.9 in., 2.5 in. and 3.5 in. Not to be confused with roller length, the end-to-end dimension.

Roller Frame: The architectural structure fashioned to cradle and shield conveyor rollers, providing a stable base for their operation. Consistent inspections support stability, alignment, and overall condition.

Roller Lacing: A method of joining the two ends of a conveyor belt with interlocking metal lacing held together by a connecting pin, forming a hinged splice. Because the pin can be withdrawn, the belt can be opened for removal or repair without being cut.

Roller Shaft: The central shaft of a conveyor roller, connecting it into the conveyor frame. Regular inspections support alignment, lubrication, and overall condition of roller shafts.

Roller Spacing: The interval between adjacent rollers in a conveyor system, which when properly set prevents material entanglements and misalignments. Ongoing checks maintain uniform spacing.

Roller Stand: The supports bearing the weight of gravity conveyor systems, providing stability and alignment. Routine inspections uphold the condition and alignment of these conveyor supports.

Roller Table: An arrangement of rollers on the conveyor where materials move along. Periodic checks assess the condition and alignment of the rollers, ensuring the seamless functionality of the conveyor table.

Roller Track: Pathways paved with rollers, guiding material movement within conveyor applications. Consistent checks maintain alignment, condition, and performance of the roller track.

Rotary Positioner: A device on the conveyor with the ability to rotate and position materials. Regular inspections ensure seamless functioning, alignment, and safety.

Rubber Belt: A conveyor belt crafted from rubber, known for its flexibility and durability. Periodic inspections assess wear, tension, and overall condition of rubber belts.

Run-In Period: The initial period where a new or rebuilt conveyor system adjusts and stabilizes in operation. Routine checks identify and rectify any issues that arise during this period.

Running Tension: The tension in a conveyor belt while it is in motion. Ongoing checks ensure running tension remains within specification, preventing slipping and unwarranted wear.

Runout: The deviation and wobbling of rotating components within the conveyor system. Regular measurements assess the alignment and balance of conveyor components.

Safety Pull Cord: An emergency stop device featuring a cord that, when pulled, triggers an immediate shutdown of the conveyor system. Regular inspections are essential to ensure proper installation, tension, and responsiveness.

Safety Switch: A switch integrated into a conveyor system to ensure safety by halting or controlling the operation when activated. Ongoing checks are essential to verify proper functioning, alignment, and responsiveness.

Sag The vertical deflection of the belt below a straight line drawn between two adjacent idlers, expressed as a percentage of idler spacing. It is normally held to 2–3 percent; beyond that the belt spills material and wear accelerates.

Scavenger Conveyor: A conveyor system designed for the removal of residual material or debris. Regular inspections are crucial to ensure efficiency and reliability.

Scissor Lift Conveyor: A conveyor equipped with a scissor lift mechanism for adjusting the height of the conveyor bed. Consistent checks are necessary to verify proper functioning, stability, and safety.

Scraper: A device or blade used to remove material residue from the surface of the conveyor belt, enhancing cleanliness and preventing carryback. Regular inspections assess scraper condition and maintain effective material removal.

Seal: A component or material used to close gaps and prevent material leakage in conveyor systems. Regular checks and replacements are essential to ensure effective sealing, preventing contamination and material loss.

Sealed Bearings: Bearings in a conveyor system equipped with protective seals to prevent contaminants from entering and ensure smooth operation. Routine inspections assess seal integrity and maintain optimal bearing performance.

Seamless Conveyance Loop: A conveyor belt devoid of splicing, necessitating regular examinations for wear, tracking, and overall condition to sustain uninterrupted and dependable operation.

Self-Aligning Conveyor: A conveyor system designed to automatically adjust and maintain proper alignment. Consistent maintenance is crucial to ensure ongoing effectiveness, preventing misalignment issues.

Self-Aligning Idler: An idler roller designed to automatically adjust and maintain proper alignment of the conveyor belt. Periodic checks ensure the effective self-aligning capability and prevent issues like uneven wear.

Self-Aligning Roller: A roller designed to automatically align and center the conveyor belt, preventing misalignment issues. Ongoing checks verify proper functioning and alignment.

Self-Cleaning Tail Pulley: A tail pulley designed to shed material buildup and prevent carryback. Regular inspections are necessary to ensure self-cleaning functionality and proper operation.

Sensor: A device in a conveyor system that detects and responds to specific conditions, such as material presence or temperature. Regular inspections ensure accurate sensing and prevent false readings.

Sequencing: The controlled order of operations in a conveyor system, ensuring proper coordination of different components. Regular checks maintain the sequencing logic and prevent issues like jams or misalignments.

Service Life: The expected lifespan of conveyor components or the entire conveyor system. Periodic assessments evaluate wear, fatigue, and other factors affecting service life.

Service Loop: A coiled arrangement of electrical cables designed to provide flexibility and movement without inducing damage. Regular examinations validate the integrity and operational effectiveness of service loops.

Set High: Vertical spacing that allows rollers to be attached above frame rails.

Set Low: Vertical spacing that allows the roller to be mounted below the top of the frame rails.

Shaft: A rotating rod or spindle integral for providing support and transmitting motion within conveyor components. Regular inspections evaluate the condition, alignment, and overall integrity of the shaft.

Shaft Alignment: The precise adjustment of conveyor shafts to ensure proper alignment and prevent issues such as increased wear or power transmission inefficiency. Regular checks and adjustments maintain shaft alignment.

Shaft Coupling: A device used to connect two shafts in a conveyor system, transmitting motion and torque. Ongoing inspections assess coupling condition, alignment, and overall functionality.

Shaft Diameter: The specific width of a conveyor shaft, tailored to the demands of its application. Consistent measurements appraise shaft diameter, guaranteeing compatibility with conveyor components.

Shaft Extension: The extended segment of a conveyor shaft projecting beyond its junction point. Regular assessments confirm the steadfastness, alignment, and soundness of shaft extensions.

Shaft Key: A securing device employed to fasten the link between a shaft and a conveyor component, averting slippage or misalignment. Regular inspections validate the condition of shaft keys.

Shaft Mount Reducer: A type of reducer directly mounted on a conveyor shaft to decrease speed and increase torque. Consistent checks verify proper functioning, lubrication, and alignment.

Shaft Seal: A seal used to protect conveyor components, such as bearings, from contaminants and prevent lubricant leakage. Ongoing checks verify the integrity and effectiveness of shaft seals.

Shaft Sleeve: A protective sleeve installed over a conveyor shaft to enhance durability and prevent wear. Regular inspections assess sleeve condition and ensure proper protection of the shaft.

Shaft Sprocket: A sprocket directly mounted on a conveyor shaft for power transmission. Periodic assessments evaluate sprocket condition, alignment, and overall integrity.

Shaft Type The classification of a conveyor shaft by construction and duty — solid or hollow, keyed or keyless, stub or through, drive or idler — which determines the torque it can carry and how components mount to it.

Shaft Vibration: The oscillating movement of a conveyor shaft extending beyond standard parameters. Continuous vigilance identifies and rectifies heightened shaft vibration, ensuring system stability.

Shafting: The comprehensive designation for all the shafts employed throughout a conveyor system. Periodic evaluations gauge the condition, alignment, and well-being of the entire shafting network.

Shear Pin: A pin designed to fracture under excessive loads, serving as a protective measure for conveyor components. Regular inspections verify the presence and structural integrity of shear pins.

Sheave: A grooved pulley wheel specifically crafted for transporting a V-belt. Consistent checks validate the stability, alignment, and efficacy of sheaves in facilitating smooth belt movement.

Sheet Metal Guard: A defensive enclosure fashioned from sheet metal, dedicated to shielding conveyor components from external influences. Systematic checks confirm the steadfastness, alignment, and efficacy of sheet metal guards.

Short Center Conveyor A conveyor with a short distance between its head and tail pulley centers, used for close transfers and in tight spaces.

Side Channels: Structural elements designed to bolster and uphold the rollers situated on the lateral sides of the conveyor. Periodic inspections ascertain the robustness and alignment of side channels.

Side Mount Drive: An integrated drive mechanism affixed to the lateral aspect of the conveyor, typically utilized where minimal elevations are a prerequisite. Consistent checks validate efficient operation, lubrication, and alignment.

Side Rail: A supportive framework flanking the conveyor’s sides, serving to direct and confine transported materials. Routine examinations sustain the structural integrity, alignment, and safety attributes of side rails.

Side Roller: A roller strategically positioned along the sides of the conveyor, dedicated to guiding and supporting the conveyor belt. Ongoing inspections authenticate the condition and alignment of side rollers.

Side Tables: Sturdy steel platforms affixed to either side of the conveyor bed, offering a working surface in close proximity to the conveyor. Regular checks ensure the stability, alignment, and effectiveness of side tables.

Slave Drive: A conveyor drive that takes its power from an adjacent conveyor rather than from a prime mover of its own, linking the two so they start, stop and run together.

Slider Bed Conveyor: A conveyor variant featuring a flat surface known as a slider bed, designed to support and transport diverse materials. Periodic examinations gauge the condition and alignment of the slider bed.

Slug Mode An accumulation-conveyor release mode that discharges the entire accumulated line at once as a single group, rather than releasing cartons one at a time. The opposite of singulation.

Snub Idler: Rollers strategically employed to augment the arc of contact between the conveyor belt and the drive pulley. These idlers enhance traction and minimize potential slippage.

Snub Pulley: A pulley designed to amplify the wrap angle of the conveyor belt, significantly enhancing traction and grip. Regular checks ascertain precise snub pulley alignment, mitigating the risk of belt slippage.

Soft Start: A mechanism ensuring a gradual acceleration of conveyor speed during the startup phase, mitigating stress and wear on components. Continuous monitoring preserves the efficacy of soft start systems.

Sortation Conveyor: A conveyor engineered to categorize and organize products based on predetermined destinations. Regular assessments maintain the precision and effectiveness of sortation conveyors.

Spare Parts Optimization: The strategic management of spare parts inventory through the CMMS to ensure that critical components are available when needed. Spare parts optimization involves balancing stock levels, reducing excess inventory, and minimizing costs while maintaining operational readiness.

Speed Reducer: A power transmission apparatus engineered to furnish controlled velocity to the driven equipment, ensuring it operates at a speed lower than that of the prime mover. Encased in a protective housing to safeguard lubricants and prevent the infiltration of extraneous elements.

Speed Sensor: A sensory component integrated into a conveyor system, tasked with precisely gauging the speed of the belt or other dynamic components. Regular calibrations uphold the accuracy of speed readings.

Spillage: The inadvertent release or escape of material from the conveyor, often triggering cleanup procedures and introducing potential hazards. Systematic inspections pinpoint and rectify factors contributing to spillage.

Splice: The juncture or linking point between two ends of a conveyor belt, necessitating routine inspections and repairs to fortify the structural integrity and resilience of the conveyor belt splices.

Splicing: The process of joining two extremities of a conveyor belt, demanding specialized splicing techniques and fastidious inspections. This approach ensures sturdy and dependable connections within the conveyor belt.

Spool Conveyor: A conveyor where spools orchestrate the motion of O-rings, propelling rollers to facilitate the movement of products along the conveyor route. Periodic assessments guarantee optimal functionality.

Spring-Loaded Axle: A roller conveyor axle featuring spring-loaded attributes, allowing the removal of rollers from the conveyor without comprehensive disassembly. Routine checks validate seamless operation.

Sprocket: A toothed wheel integrated into chain-driven conveyor systems, prompting the need for periodic evaluations to affirm its condition, precise alignment, and functionality within the system.

Spur: A segment within a conveyor system strategically designated for the diversion of unit loads to and from the mainline. Regular inspections guarantee peak performance and reliability of this spur section.

Stainless Steel Conveyor: A conveyor system fashioned from components of stainless steel, valued for its resistance to corrosion and durability. Stringent maintenance practices repel corrosion, uphold hygiene standards, and extend operational life.

Stand-Alone Conveyor: A self-sufficient conveyor system that functions independently without integration into a larger network. Regular checks uphold the autonomy and reliability of the stand-alone conveyor.

Standby Mode: An operational phase wherein a conveyor system temporarily remains inactive, poised to swiftly resume operation when the need arises. Routine checks guarantee the seamless transition between standby and active modes.

Start-Up Sequence: The preordained series of actions executed when initiating the conveyor system. Consistent checks and vigilant monitoring orchestrate a smooth and safe start-up sequence, averting issues like overload or misalignment.

Static Conductivity: The capacity of conveyor components to disperse static electricity and thwart the accumulation of static charges. Periodic assessments sustain optimal conductivity, preventing static-related challenges.

Strain Relief: A mechanical apparatus deployed to alleviate tension and forestall excessive stress on electrical cables within the conveyor system. Regular inspections ensure proper strain relief mechanisms are in place to avert cable damage.

Support: The arrangement of structural elements dedicated to preserving the elevation or alignment of conveyors. Supports may manifest as hangers, floor supports, or brackets, in both stationary and portable configurations.

Switch: Any device facilitating the connection of two or more adjacent package conveyor lines; often an electrical control device governing the flow of materials.

Tail End: The point of loading in any conveyor system where materials are introduced for transport.

Tail Pulley: A pulley system positioned at the tail end of a conveyor system, facilitating the return of the conveyor belt.

Take-Up: A mechanical structure designed to adjust the length of belts and chains, compensating for factors such as shrinkage, stretch, and wear, ensuring optimal tension.

Tangent: The straight segment following a curved conveyor, providing a transition between curved and straight sections.

Tapered Roller: A conical conveyor roller designed for curved sections, featuring end and intermediate diameters proportional to their distance from the curve’s center.

Temperature Control: The systematic monitoring and regulation of conveyor component temperatures, particularly crucial in environments with extreme temperatures that can impact overall performance.

Tensioning: The process of adjusting belt tension to maintain proper operation, preventing issues like slipping or excessive wear, and ensuring optimal conveyor performance.

Throughput: The measure of the flow of products or inventory processed through a warehouse conveyor system, reflecting its efficiency and productivity.

Torque: The rotational force within the drive components, including motors and gearboxes. Inspecting and sustaining torque supports efficient power transmission.

Total Load: The weight distributed across the entire length of the conveyor system, requiring management to ensure equilibrium and structural soundness.

Tracking: The operation of guiding the conveyor belt along a predetermined path.

Traffic Cop: A device positioned to intercept and prevent the undesired impact of cartons as they enter the conveyor.

Training Idlers: Idlers that ensure the centering of the conveyor belt through diligent oversight and adjustment.

Transfer Points: The junctures where materials transition between conveyor belts, inspected and cleaned to prevent spillage and guarantee an uninterrupted transfer.

Transition Zone The length of belt between the last fully troughed idler and the flat terminal pulley, where the belt changes from troughed to flat. Too short a transition overstresses the belt edges.

Transmission Chain A power-transmission chain, typically the roller chain running from the reducer to the head shaft, that carries drive torque — as distinct from a conveying chain, which carries the load.

Trash Conveyor: A conveyor system designed specifically to process and transport emptied boxes and waste material.

Tread Plates: Diamond-clad steel filler plates gracing the gaps between rollers on a roller conveyor, contributing both functionality and finish.

Tripod Support: A three-legged stand supporting small roller and skatewheel conveyors, easily moved and aligned to maintain the conveyor’s elevation.

Troubleshooting: The practice of identifying and resolving issues or malfunctions in the conveyor system, ensuring continuous operation.

Troughed Bed A belt conveyor bed shaped into a trough so the belt cradles the material and spills less. Used across bulk handling for aggregate, coal, ore, grain, wood chips and recyclables alike.

Troughed Belt Conveyor: A conveyor with a belt shaped into a trough, cradling and transporting materials.

Troughing Shaping the belt into a trough with troughing idlers so it holds more material and spills less. Trough angles are commonly 20, 35 or 45 degrees, with deep-trough sets running 45 to 60 degrees.

Turnbuckle: A mechanical device with screw-threaded ends that adjusts tension and structural alignment within the conveyor system.

Turning Wheel: The wheel mounted on an adjustable bracket, ensuring the proper orientation of packages on the conveyor.

Turntable: The rotating bed used for transferring packages from one conveyor system to another.

Two-Pulley Hitch: A transition section that moves products from horizontal positioning to incline.

U-Trough: A conveyor configuration resembling the shape of the letter U, commonly used for handling bulk materials. Routine checks ensure the structural integrity, alignment, and material flow efficiency of U-trough conveyors.

UHMW-PE (Ultra-High-Molecular-Weight Polyethylene): A durable and low-friction material used in conveyor components to reduce wear and enhance material flow. Periodic inspections are necessary to assess the condition and effectiveness of UHMW-PE components.

Under-Belt Clearance The clear space beneath the conveyor structure, to the floor or to the next obstruction, and on a belt conveyor the space between the carrying and return runs.

Under-Tensioning: The condition in which a conveyor belt is insufficiently tensioned, leading to sagging or inadequate support. Regular assessments prevent under-tensioning and ensure optimal belt tension for efficient material handling.

Underground Conveyor: A conveyor system positioned below the Earth’s surface, commonly utilized in mining or tunneling contexts. Regular maintenance upholds the dependability and safety of underground conveyors.

Underside Bed Cover: Metal sheeting employed to shield the lower side of a conveyor.

Underside Take-Up: A take-up segment situated beneath the bed of a belt conveyor.

Unload Area: The designated region in a conveyor system where materials are systematically removed or offloaded. Regular inspections ensure the efficiency of material unloading processes and prevent bottlenecks.

Unload Chute: A channel or passage designed for the controlled discharge of materials from the conveyor. Routine checks prevent blockages, ensure proper alignment, and maintain the integrity of the unload chute.

Unload Station: A designated area along the conveyor line where materials are unloaded or transferred. Periodic inspections maintain the functionality, safety, and efficiency of the unload station.

Upender: A conveyor accessory or system that rotates material from horizontal to vertical, or the reverse, for processing, inspection or palletizing. Also called an inverter or tipper. Regular inspection and lubrication keep the rotation smooth and the safety interlocks working.

Upstream: The direction opposite to the material flow within a conveyor system. Maintenance checks in the upstream section detect and address issues that might impede the smooth movement of materials downstream.

Urethane: A versatile material commonly used in conveyor components, known for its resilience, abrasion resistance, and chemical stability. Periodic assessments ensure the integrity and functionality of urethane-based parts.

Urethane Lagging: The application of a layer of urethane material to pulley surfaces to enhance grip and reduce slipping with the conveyor belt. Regular inspections maintain the effectiveness of urethane lagging.

V-Belt: A type of power transmission belt with a trapezoidal cross-section, commonly used in conveyor systems.

V-Guide: A feature on conveyor belts that provides tracking assistance by fitting into a V-shaped groove on the conveyor pulleys.

Variable Frequency Drive (VFD): An electronic device used to control the speed of motors in conveyor systems, optimizing energy efficiency and performance.

Vendor Relationship Management: The systematic coordination of interactions with external vendors and service providers within the CMMS. Vendor relationship management includes maintaining communication, tracking performance, and ensuring timely procurement of conveyor system components.

Ventilation: The process of ensuring proper airflow and cooling for conveyor components, preventing overheating and optimizing performance.

Vertical Curve: A curved section in a conveyor system that changes the conveyor’s elevation, requiring specialized maintenance considerations.

Vibration Analysis: The practice of monitoring and analyzing vibrations in conveyor components to detect potential issues and prevent equipment failure.

Visual Inspection: A routine check of conveyor components using visual cues to identify signs of wear, misalignment, or damage.

Vulcanization: The process of bonding or fusing rubber components, such as conveyor belts, using heat and pressure for repair or maintenance purposes.

Wear Strip: A protective component, often made of plastic or other materials, installed on conveyor surfaces to reduce friction and prevent wear.

Weighing System: A system incorporated within a conveyor designed to assess the weight of transported materials, commonly employed for purposes such as quality control or inventory management.

Welding Joining metal components by heating them to coalescence, with or without pressure. Arc, MIG and stick welding — the methods used on conveyor frames — apply heat alone; resistance and friction welding add pressure.

Wheel Conveyor: A type of conveyor system that uses wheels to transport materials, commonly used in gravity conveyor setups.

Wiper Blade: A device used to clean debris and material residue from the surface of conveyor belts, ensuring smooth operation and preventing contamination.

Wire Rope Conveyor Belt: A type of conveyor belt that utilizes wire ropes for reinforcement, providing strength and durability.

Work Order Automation: The utilization of the CMMS to automate the creation, assignment, and tracking of maintenance work orders for the conveyor system. This automation enhances communication, efficiency, and accountability in maintenance activities.

Work Platform: An elevated surface or structure built adjacent to a conveyor for maintenance personnel to access and perform inspections or repairs.

Workforce Management and Tracking: Utilizing the CMMS to manage and track the workforce involved in conveyor system maintenance. This includes assigning tasks, monitoring progress, and documenting the skills and certifications of maintenance personnel.

Wrap Angle The arc of a pulley’s circumference that the belt actually contacts, measured in degrees. A bare drive pulley gives about 180 degrees; adding a snub pulley raises it to 210–240 degrees for more traction.

X-Ray Inspection System: An inline detection system mounted over or around the conveyor that uses X-rays to identify foreign objects, voids, or fill-level defects inside sealed product without opening it. Regular calibration and shielding checks are required.

Yield Rate: The proportion of product that passes through the conveyor line and meets specification without rejection or rework, used as a measure of line performance and material handling quality.

Zero-Pressure Accumulating Conveyor: A conveyor system engineered to eradicate any pressure or force exerted between closely positioned products.

Zone Control: A feature in conveyor systems where different zones of the conveyor can be controlled independently, allowing for better energy efficiency and product handling.

Part of the eWorkOrders Learning Center

Glossary

Conveyor Terms & Definitions Glossary

Conveyor systems come with a language of their own. This A–Z guide explains the terms you will run into on the line and in the manual — belts, pulleys, rollers, drives, take-ups, guarding and the maintenance practices behind them.

Whether you are new to conveyors or have run them for years, use it as a quick reference when a spec sheet or work order turns up a term you want pinned down.

Conveyor terms and definitions glossary from eWorkOrders CMMS

Have a term we missed? Submit it through our contact us page and select “Other” in the dropdown.

A–Z · Part of the eWorkOrders Learning Center

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Abrasion Resistance: The distinctive capability of conveyor components, particularly belts, to endure the erosive impact of friction and material forces over time.

Accelerometer: An innovative device employed for gauging acceleration and vibrations within conveyor components, offering valuable insights into potential operational challenges.

Accumulating Conveyor: Any conveyor system strategically engineered to facilitate the systematic accumulation of materials, whether it utilizes rollers, live rollers, belts, or gravity-driven mechanisms.

Adhesive Wear: The wearing down of conveyor components due to the cohesive bonding and material transfer between surfaces, often affecting the overall integrity of the system.

Adjustable Speed Drive: A sophisticated apparatus empowering the adjustment of conveyor belt speed, thereby optimizing control and operational efficiency to meet varying demands.

Air Knife A device that directs a high-velocity stream of compressed air across the belt to blow off residual material and carryback, keeping the return run clean.

Alignment: The meticulous process of calibrating and confirming the precise positioning of conveyor components to uphold the smooth and uninterrupted motion of the conveyor belt.

Alignment Sensor: A precision sensor designed to identify and signal any deviations or misalignments in the positioning of the conveyor belt, promoting operational stability.

Alligator Lacing: A distinctive belt-fastening method executed with a hammer, seamlessly joining the belt ends to create a continuous loop, enhancing the durability and reliability of the conveyor system.

Analysis Software: Advanced computer programs tailored for scrutinizing data derived from conveyor sensors and systems, enabling the identification of trends, patterns, and potential issues for proactive maintenance.

Anti-Seize Compound: A specialized lubricant meticulously applied to fasteners and components, acting as a safeguard against seizing or corrosion, thereby ensuring the longevity and optimal performance of the conveyor system.

Arc Flash: An electrical phenomenon involving a hazardous discharge or explosion, underscoring the critical importance of stringent safety measures during maintenance activities to prevent potential accidents.

Area Classification: The systematic categorization of different zones within the conveyor system based on the potential presence of explosive or hazardous materials, facilitating the implementation of targeted safety measures.

Asset Management: A methodical approach to overseeing, maintaining, and optimizing conveyor assets and components, aimed at extending their lifespan and maximizing operational efficiency over time.

Asset Registry Management: The comprehensive organization and tracking of conveyor system components within the CMMS. This management process includes maintaining detailed records of specifications, installation dates, and historical maintenance data for each asset.

Audit Trail and Accountability: A feature within the CMMS that maintains a detailed record (audit trail) of all changes, activities, and transactions related to conveyor system maintenance. This enhances accountability, transparency, and the ability to trace actions over time.

Automatic Lubrication System: An innovative system designed to automatically dispense lubricants to conveyor components at scheduled intervals, effectively minimizing friction and wear for prolonged equipment lifespan.

Automation Replacing manual control of a conveyor with programmable control — PLCs, sensors, drives and an HMI handling start/stop, routing, speed and diagnostics without an operator at the controls.

Axle: A stationary shaft upon which wheels or rollers are mounted, contributing to the smooth and controlled movement of the conveyor system.

Back Pressure: The resistance applied to a package, exerting force to halt its motion or that of a collection of packages.

Backstop: An essential mechanical or electrical device strategically preventing the reverse movement of the conveyor belt for the sake of safety.

Backup Rollers: Specially positioned rollers located behind the primary idlers, offering supplementary support to the conveyor belt and necessitating routine inspection.

Backup Tube or Channel: A stabilizing mechanism providing structural support for the conveyor frame along its length, ensuring overall system stability.

Bag Flattener: An ingenious mounting assembly designed to invert one conveyor over another, effectively compressing or flattening the conveyed product.

Ball Table: A setup featuring ball transfers that enables the smooth movement of flat-surfaced objects in any desired direction.

Ball Transfer: A specialized device where a larger ball is securely mounted and retained on a hemispherical face comprised of smaller balls.

Ball Transfer Mat: An elevated flooring incorporating walkable ball transfers, designed for the manual movement of heavy loads and pallets.

Ball Transfer Table A flat bed fitted with rows of ball transfers, letting flat-bottomed items be pushed and turned in any direction across the surface by hand.

Bare Pulley: A pulley lacking any surface covering or lagging, presenting the unadorned pulley surface.

Bearing: A vital machine component designed to securely hold shafts, axles, and pins while allowing them to rotate freely.

Bearing Lubrication: The meticulous application of lubricants to reduce friction on conveyor bearings, ensuring optimal and smooth operation.

Bearing Mount: An assembly consisting of a housing and threading to which bearings are attached, forming a crucial part of the conveyor system.

Bearing Replacement: The periodic removal and substitution of conveyor bearings to preemptively counteract potential equipment failure.

Bed: The supportive surface of a conveyor system where the load either rests or slides while being conveyed.

Bed Length: The cumulative length of bed sections needed to construct the conveyor, excluding pulleys and associated components.

Bed Width: The overall width of the bed section within a conveyor system, playing a crucial role in load support.

Belt: A dynamic and pliable band strategically encircling two or more pulleys, positioned to facilitate the transmission of motion, power, or materials from one point to another within the conveyor system.

Belt Cleaner: An instrumental device designed for the meticulous removal of material residue from the conveyor belt, preventing accumulation and ensuring sustained efficiency.

Belt Scraper: A functional apparatus, typically comprising a blade or brush, methodically applied to the in-motion conveyor belt, systematically dislodging and eliminating materials adhering to its surface.

Belt Speed: The measurable rate at which the conveyor belt traverses a specific point in a predetermined time span, frequently denoted in feet per minute, crucial for assessing operational efficiency.

Belt Splicing: A meticulous procedure involving the connection of the conveyor belt ends, forming an unbroken and cohesive loop; this process employs techniques like vulcanization or the utilization of mechanical fasteners for secure and durable linkage.

Belt Tracking: The continuous fine-tuning of the conveyor belt’s alignment to prevent deviations, ensuring a persistent and precise positioning throughout its operational cycle.

Between-Rail Width: The open expanse between the frame rails within a conveyor system, determining the structural blueprint of the system and influencing its overall design.

Bolt Torque: The intentional application of precise rotational force to bolts during the installation process, serving to prevent inadvertent loosening and ensuring a steadfast and secure fastening.

Booster Conveyor: A powered conveyor specifically deployed to recover lost elevation in gravity roller or wheel conveyor lines, actively contributing to augmented overall system efficiency.

Brake Motor: A specialized device typically affixed to a motor shaft between the motor and reducer, featuring automatic engagement mechanisms that activate when the electric current is interrupted or fails.

Brake Rollers: Brakes, either air or mechanically operated, strategically positioned beneath roller conveyors, with the primary function of decelerating or halting packages during the conveyance process.

Bucket Elevator: A vertical conveyor system meticulously designed for the vertical transportation of bulk materials, necessitating periodic inspection and maintenance to ensure sustained functionality and reliability.

Bulk Material Handling: The intricate process of transporting materials in bulk on conveyors, demanding specialized maintenance protocols to mitigate wear and optimize efficiency.

Bushing: A general term referring to a bearing used for specific applications within the conveyor system, contributing to overall functionality.

Bushing Retainer Clip: A securing clip employed to stabilize a bushing in the absence of a cover, ensuring its proper positioning within the conveyor system.

Butt Coupling: An essential component designed to connect various conveyor sections seamlessly, ensuring a continuous and integrated system.

Carryback: Residual material persistently adhering to the conveyor belt, making its way back along the return side; necessitates the implementation of cleaning and removal mechanisms to maintain optimal conveyor functionality.

Caster: A wheel mounted in a fork, rigid or swivel, fitted to conveyor legs and portable frames so the unit can be repositioned. Also spelled castor.

Catenary Load The tension produced in a belt or chain by the weight of the freely hanging section between supports, most often on the return run.

Catenary Sag: The inherent sag or curvature of the conveyor belt between two points, requiring periodic adjustments to ensure optimal tension.

Ceiling Hangers: Steel rods affixed to the ceiling, providing support for conveyors to maximize floor space or when floor support is insufficient.

Center Drive: A drive assembly typically located beneath, often at the center of the conveyor, but adaptable to various positions in the conveyor length. Commonly used in applications involving reversing or incline movement.

Chain: A series of pivotally linked elements forming a medium for conveying or transmitting motion and power.

Chain Conveyor: A conveyance system utilizing one or more chains during operation.

Chain Drive: A mechanism transmitting mechanical energy to conveyor wheels, comprising a drive chain and sprockets.

Chain Guard: A protective covering for drive or conveyor chains, implemented for safety reasons.

Chain Roller Conveyor: A conveyor featuring tread rollers with attached sprockets, driven by a chain.

Chute: A passage or channel designed to guide material flow from one conveyor to another or a specific destination; necessitates periodic inspection for blockages and wear.

Clamshell Gate: A pivotal gate integrated into a conveyor system, designed for controlled opening and closing; regular inspections are essential to ensure proper functionality and prevent potential material spillage.

Cleaning System: Dedicated equipment and mechanisms, including brushes or scrapers, focused on preserving the cleanliness of conveyor components; regular maintenance is imperative to prevent material build-up and ensure optimal performance.

Cleat Height: The vertical measurement of raised portions (cleats) on a conveyor belt, demanding periodic checks for wear and precise positioning.

Cleated Belt: A belt equipped with cleats featuring elevated sections, ensuring the firm positioning of units during travel on slopes.

Cleated Belt Conveyor: A belt designed with uniformly spaced raised sections to stabilize material flow, particularly effective on inclined belts; cleats may be an integral part of the belt or attached separately.

Cleats: An attachment affixed to the conveying surface, serving various purposes such as pushing, supporting, checking, or tripping, aiding in the smooth movement of material along the conveyor path.

Clipper Lacing A hook-type mechanical belt fastener. Rows of wire hooks are driven into both belt ends with a Clipper lacer, then joined by a hinge pin to form a hinged splice that can be opened again for belt removal.

Closed Conveyor System: A conveyor system enclosed within a structure, demanding specialized maintenance to uphold optimal functionality and prevent material spillage.

Clutch Drive: A drive mechanism facilitating the disengagement of the motor from the reducer without stopping the motor or cutting power.

Clutch-Drive Brake: A drive system enabling the disengagement of the motor from the reducer and an immediate halt to conveyor movement without stopping the motor or cutting power.

CMMS: Abbreviation for Computerized Maintenance Management System, software designed for facilities and maintenance managers to organize, track, and optimize various processes within maintenance operations.

Coarse Pitch: The roller center spacing, measuring 37mm (1.458 in.), or 28 shafts per meter.

Coasting Distance: The distance a conveyor system continues to move after the power is turned off, requiring consideration for safety and operational planning.

Collapsible Conveyor: A flexible and expandable conveyor system, demanding regular checks to ensure the proper functioning of extension and retraction mechanisms.

Constant Speed Drive A conveyor drive that runs the belt or chain at one fixed speed, with no provision for varying it — the counterpart to an adjustable speed drive.

Continuous Integration Splice: A technique for seamlessly joining the ends of a conveyor belt without mechanical fasteners, demanding skilled installation and recurrent inspections.

Continuous Miner: A sophisticated mining apparatus seamlessly integrating a conveyor system, demanding meticulous, recurrent maintenance for optimal operational efficiency.

Continuous Weighing: The dynamic process of real-time material flow measurement on a conveyor belt, requiring periodic calibrations and vigilant checks to maintain a high level of precision.

Control Panel: The central command hub orchestrating and surveilling conveyor systems, necessitating regular scrutiny of electrical components, switches, and overall operational efficacy.

Controlled Flow Conveyor An enclosed drag or chain conveyor that moves bulk material en masse at a metered, uniform rate, so discharge stays steady regardless of how unevenly the material is fed in.

Converging: A dedicated segment on roller or wheel conveyors where two independent conveyors intersect, ensuring a smooth amalgamation into a singular conveyor path.

Conveying Surface: The operative area of a conveyor system where materials are transported, typically a flat or contoured structure supporting the items being conveyed. Regular inspections are essential to ensure its integrity, assess wear, and guarantee optimal functionality throughout the conveyor’s operation.

Conveyor Belt: A perpetually moving band, crafted from diverse materials like fabric, rubber, or metal, facilitating seamless object transport from one location to another; necessitates routine inspections for wear patterns, alignment, and splicing integrity.

Conveyor Belt Scale: A precision-engineered system designed for meticulous material weighing on the conveyor belt, mandating recurrent calibrations and checks to preserve and verify accuracy.

Conveyor Diverter Valve: A mechanism designed to redirect material flow from one conveyor path to another, prompting periodic inspections to ensure seamless functioning.

Conveyor Diverters: Mechanisms for guiding materials away from their current conveyor path to another, demanding regular inspections to ascertain continuous functionality and proper alignment.

Conveyor Frame: The foundational skeletal structure providing support to the conveyor belt, necessitating periodic scrutiny for alignment precision, structural robustness, and preemptive identification of potential damage.

Conveyor Guarding: An ensemble of protective barriers and devices strategically positioned to forestall access to moving components of a conveyor system, necessitating routine inspections for compliance and continual evaluation of the effectiveness of these protective measures.

Conveyor Idler: Rollers or a set of rollers providing support and guidance to the conveyor belt, demanding regular inspections for alignment, wear, and lubrication to ensure efficient operation.

Conveyor Impact Bed: A dedicated component designed to absorb the impact of material loading onto the conveyor belt, necessitating frequent inspections for wear and optimal functionality.

Conveyor Merge: The juncture where materials from diverse conveyors merge into a single flow, requiring checks to ensure seamless merging and proper alignment.

Conveyor Pulley: A rotating cylindrical component guiding and supporting the conveyor belt, demanding routine inspections for wear, balance, and precise alignment to maintain operational efficiency.

Conveyor Skid Plate: A protective plate situated on the underside of the conveyor belt to minimize friction and wear, necessitating periodic inspections to ensure continued effectiveness.

Conveyor Skirt Board: A protective barrier along the sides of the conveyor belt to prevent material spillage, requiring inspections for wear patterns and ongoing effectiveness.

Conveyor Transition: The section where the conveyor belt shifts from a flat profile to a troughed profile, necessitating checks to ensure smooth material transfer.

Conveyor Trough: The channel-shaped enclosure housing the conveyor belt, necessitating inspections for material spillage, wear, and alignment to maintain optimal conveyor functionality.

Conveyor Walkway: An elevated walkway for maintenance personnel along the conveyor’s length, demanding regular inspections for safety and structural integrity.

Cooling Conveyor: A specialized conveyor system designed to cool materials during transportation, necessitating checks for cooling mechanisms and the condition of the conveyor belt.

Corrugated Belt: A conveyor belt featuring a corrugated profile for enhanced flexibility and improved material containment, requiring checks for wear patterns and proper alignment.

Counter-Current Conveyor A conveyor on which a second stream, usually cooling or drying air, is directed against the direction of material travel, so the coolest air meets the hottest product. Used in coolers and dryers where heat transfer matters as much as transport.

Counter-Rotating: Conveyors with opposing rotational directions, necessitating regular alignment checks and maintenance to prevent interference.

Counter-Weight Take-Up: A tensioning device utilizing a counterweight to maintain proper belt tension, necessitating periodic adjustments for optimal performance.

Counterweight A weight hung on a gravity take-up to hold constant tension in the belt. It absorbs belt stretch and maintains slack-side tension; it does not balance the conveyed load.

Cross Belt Magnet: A device used for removing ferrous materials from the conveyor belt, demanding routine checks to uphold its proper functioning.

Cross-Bracing: Diagonally positioned rods and turnbuckles across roller bed or live roller conveyors, enhancing frame squareness crucial for precise tracking.

Crossover: A concise conveyor section inserted when the drive switches to the opposite side, distinct from conveyor crossover structures designed for personnel crossing, requiring precise installation considerations.

Crowned Pulley: A pulley tapering equally from both ends toward the center, with the greatest diameter at the midpoint, aiding belt tracking; requires periodic checks for effectiveness.

Crowning: The deliberate shaping of conveyor pulleys to facilitate belt tracking and prevent misalignment, necessitating regular assessments for ongoing effectiveness.

Curve Conveyor: A versatile wheel, roller, or belt conveyor designed to curve at specific sections, preserving seamless product flow and adapting to spatial needs, requiring specialized maintenance.

Cutting Blade: A tool essential for belt splicing or repair, demanding regular inspections for sharpness and consistent effectiveness.

Cycle Time: The duration for a complete cycle of conveyor operation, necessitating continuous monitoring for efficiency and identification of potential bottlenecks.

Cyclical Loading: The repetitive loading and unloading of materials on the conveyor, demanding regular inspections for wear, alignment, and sustained structural integrity.

Damping System: Mechanisms or components crafted to minimize vibrations and oscillations in the conveyor system, prompting routine checks to ensure continued effectiveness.

Dead Plate A fixed, non-driven plate that bridges the gap between two conveyors, or between a conveyor and a machine, so product slides across the transfer point. Product stalling on a dead plate is a fault to correct, not the plate’s purpose.

Decline Conveyor: A conveyor system where pallets and products travel on a downward slope, requiring specialized maintenance for smooth operation.

Deflection Drum: A drum strategically employed to redirect the conveyor belt, necessitating occasional inspections for wear, alignment, and seamless operation.

Degree of Incline: The angle at which a conveyor system slopes upward, demanding precise adjustments and regular checks.

Detachable Chain Link: A chain link designed for easy detachment during maintenance or replacement, requiring periodic inspections for wear and secure attachment.

Differential Curve: A segmented section of a curved conveyor featuring multiple side-by-side roller rows, requiring regular checks for smooth material flow.

Discharge Chute: A designed channel for materials to exit the conveyor, requiring periodic inspections to ensure proper flow and prevent material buildup.

Discharge End: The location on a conveyor where goods are removed for further processing, necessitating efficient material flow and regular inspections.

Diverter: A mechanism redirecting materials from one conveyor path to another, necessitating regular checks for proper functioning and alignment.

Diverter Gate: A gate or flap controlling the flow of materials on the conveyor, demanding inspections for smooth operation and effective material diversion.

Diverting Conveyor: A conveyor system used to move products to different areas for sorting or processing, requiring specialized maintenance.

Document Control and Compliance: Using the CMMS to manage and control documentation related to conveyor system maintenance, including manuals, procedures, and compliance records. This ensures that maintenance activities adhere to industry standards and regulatory requirements.

Double Pitch Roller Chain: A roller chain type with longer pitch links, necessitating regular lubrication and inspections for wear in conveyor applications.

Doughnut Rollers: Circular rollers with a central opening supporting and guiding the conveyor belt, requiring periodic checks for wear and alignment.

Drag Chain Conveyor: A conveyor where the open links of a chain drag material along the bottom of a housing, requiring regular inspections for chain wear, lubrication, and overall system integrity.

Drip Pan Conveyor: A conveyor with a built-in drip pan to catch and contain liquid spillage, necessitating regular cleaning and inspections.

Drive: A unit used to provide movement power for a conveyor. Parts generally include motor and reducer, chain, sprockets, and more.

Drive Alignment: The process of ensuring proper alignment between the drive pulley and other conveyor components, demanding regular inspections to prevent belt misalignment.

Drive Chain: The mechanical link transmitting power in chain-driven conveyor systems, requiring regular lubrication and tension adjustments.

Drive Pulley: The pulley responsible for transmitting power to the conveyor belt, requiring periodic assessments for wear, balance, and alignment.

Drive Unit: The motorized component propelling the conveyor belt, necessitating regular inspections for optimal performance.

Drive Unit Tensioner: A device maintaining proper tension in the conveyor belt, requiring periodic adjustments to prevent slack or excessive tension.

Dust Collection System: Equipment capturing and removing dust generated during conveyor operations, demanding regular maintenance to uphold air quality and prevent system clogging.

Dutchman: A short section of belt with lacing in a conveyor belt, removable when take-up provision has been exceeded, necessitating periodic checks.

Dynamic Braking System A braking method that runs the drive motor as a generator during deceleration and dissipates the recovered energy in resistors or returns it to the line, slowing the conveyor without mechanical friction.

Dynamic Impact Bed: A specialized component absorbing and mitigating the impact of material loading onto the conveyor belt, necessitating periodic inspections for wear and effective functionality.

Dynamic Load: The varying load on the conveyor system during operation, necessitating continuous monitoring and adjustments for optimal performance.

Dynamic Start/Stop Control: A control system managing the gradual starting and stopping of the conveyor, requiring regular adjustments for optimal performance and reduced wear.

Dynamic Weighing System: A system integrated into the conveyor for real-time measurement of material weight during transit, demanding regular calibrations for accuracy.

Eccentricity Degree: The extent of deviation of a pulley’s center from its true axis, demanding routine assessments to maintain alignment and prevent misalignment issues for sustained smooth operation.

Electronic Zero-Pressure Logic (EZLogic): Hytrol’s electronic control for zero-pressure accumulation conveyor, which holds cartons in individual zones without letting them touch. Commonly written EZLogic.

Emergency Activation Cord: A specially coated cord running parallel to the conveyor system, deployable in emergencies to swiftly halt conveyor operations, often paired with an Emergency Stop Switch. Also called an emergency pull cord.

Emergency Halt Mechanism: A safety feature enabling the immediate cessation of conveyor operations in emergency scenarios, necessitating regular tests and inspections to ensure continual reliability.

Emergency Shutdown (Stop) Switch: An electrical mechanism strategically placed to instantaneously cease conveyor functions during emergency situations, typically used alongside an Emergency Activation Cord.

End Pulley The pulley at either end of a conveyor. At the discharge end it is the head pulley; at the loading end, the tail pulley.

End-Drive Conveyor System: A conveyor configuration with the drive unit situated at one end, requiring periodic checks to uphold proper alignment and ensure the system’s efficient operation.

Endless Splice: The technique used to connect the terminals of a conveyor belt, creating an unbroken loop without relying on mechanical fasteners. This process requires expert installation and regular inspections.

Enterprise Asset Management (EAM): An integrated methodology for overseeing the complete lifecycle of physical assets, designed to optimize utilization, enhance cost efficiency, elevate quality standards, ensure health and safety, and safeguard environmental well-being.

Ergonomics: The field of study dedicated to designing conveyor systems and workspaces to improve worker safety, comfort, and efficiency. Ongoing assessments and enhancements are essential components of this discipline.

Excess Wear Wear that has passed the allowable limit for a component — chain elongated beyond its wear limit, lagging worn below minimum thickness, a roller shell worn through — at which point the part is replaced rather than monitored.

Expansion Joint: A flexible connection between conveyor sections to accommodate thermal expansion, demanding periodic checks for proper functioning.

Extendable Conveyor A roller or wheel conveyor that can be lengthened or shortened within limits to suit the job, commonly used at a loading dock to reach into a trailer.

External Wear Liner: A protective layer or coating applied to conveyor components exposed to external wear, requiring regular inspections and replacement as needed.

Eyebolt: A bolt featuring a looped head, designed for lifting or attaching components within the conveyor system, warranting inspections to validate proper installation and sustained structural integrity.

Eyelet Linkage (Splice): A technique for securely joining the ends of a conveyor belt using a looped connection, requiring adept installation and regular assessments to monitor wear and ensure ongoing security.

Face Width: The measurement across the outer face of the pulley on the conveyor belt, demanding periodic checks for alignment and wear to ensure optimal performance.

False Brinelling: A type of bearing damage resulting from small oscillations during rest periods, necessitating regular inspections to prevent premature wear.

Fastener Plate: A metal plate integral to mechanical belt fastening systems, requiring regular inspections for secure attachment and wear resistance.

Feeder Conveyor: A conveyor responsible for transferring materials onto a main conveyor, necessitating periodic checks for proper feeding and alignment.

Finger Guard: Protective barriers or devices designed to prevent personnel from accessing moving parts of a conveyor, necessitating routine checks for compliance and effectiveness.

Fixed End: The point on a conveyor system where components are permanently secured, requiring occasional checks for stability and proper attachment.

Fixed Guard: Stationary protective barriers installed on conveyors to prevent access to hazardous areas, requiring regular inspections for integrity and compliance.

Flapper Gate: An articulated or pivoting plate strategically employed to guide material selectively on a conveyor system, demanding periodic evaluations for precise functioning.

Flat Surface Pulley: A pulley featuring a straight cylindrical drum face, devoid of crown contours, requiring regular inspections for wear, equilibrium, and proper alignment.

Flexible Conveyor: A conveyor system with movable sections for adaptable material handling, requiring regular inspections for flexibility, alignment, and overall functionality.

Flights: Protrusions or cleats attached to the conveyor belt to assist in material transport, requiring periodic inspections for wear and proper alignment.

Flow Rail: Channels or rails facilitating the smooth movement of materials in a gravity conveyor system, necessitating checks for proper flow and alignment.

Flow-Through Tail: A conveyor tail design that allows materials to pass through, demanding inspections for smooth operation and potential blockages.

Fluted Rollers: Rollers with a grooved or ribbed surface to enhance material grip, necessitating periodic checks for wear, alignment, and proper functionality.

FPM (Feet Per Minute): The abbreviation for feet per minute, a unit of measurement for conveyor speed.

Frame Alignment: The adjustment of conveyor frame components to maintain straight and parallel alignment, necessitating routine checks to prevent misalignment issues.

Frame Spacer: Cross connections strategically employed to ensure appropriate separation between the frame rails in a conveyor system, necessitating routine assessments for stability and alignment.

Frame Support Structure: The framework that provides essential support to the machinery components of a conveyor, demanding regular inspections to uphold structural integrity and alignment.

Friction Drive System: A propulsion mechanism reliant on the interaction of the conveyor belt with the drive pulley, demanding frequent inspections for wear and proper tension to ensure optimal functionality.

Friction Roller: A roller that provides additional traction to the conveyor belt, necessitating periodic checks for wear, alignment, and smooth operation.

Full Load Amperage The current a motor draws at its nameplate rating — rated horsepower, voltage and speed — in continuous operation. Distinct from locked-rotor amperage, the far higher inrush current drawn at start-up.

Gate: A conveyor segment equipped with a hinge mechanism, creating an opening for walkway access, operated manually or with a spring-loaded mechanism.

Gate Opening The clear span created when a hinged conveyor gate section is raised: the width and height of the passage available to walk through.

Gear Motor Unit: A motor and speed reducer built as a single unit driving the conveyor. The motor converts electrical energy into mechanical rotation; the gearing then reduces output speed and multiplies torque. Also written gearmotor.

Gradual Material Erosion: The progressive loss of material due to friction and abrasion, requiring systematic inspections and maintenance to prevent equipment failure.

Gravity Bracket: A bracket designed for the attachment of gravity conveyors to the ends of powered conveyors.

Gravity Conveyor System: A non-powered conveyor system relying on gravity for material movement, requiring periodic checks for proper flow and alignment.

Gravity Roller: Rollers in a gravity conveyor system that use gravity to move materials, requiring inspections for wear, alignment, and smooth operation.

Guard Rail: Protective barriers or rails installed along the conveyor to prevent materials from straying, requiring regular inspections for stability and effectiveness.

Guide Roller: A roller designed to guide and support the conveyor belt, necessitating regular checks for wear, alignment, and smooth operation.

Hazard Evaluation: The methodical process of recognizing, evaluating, and addressing potential hazards in a conveyor system to implement suitable safety measures, necessitating consistent updates and adjustments to address evolving conditions.

Head Drive Conveyor: A conveyor system with the drive unit positioned at the discharge end, demanding periodic assessments for precise alignment and efficient operation to guarantee optimal performance.

Head Pulley: The pulley at the discharge or delivery end of the conveyor, requiring regular evaluations for wear, balance, and alignment to sustain dependable functionality.

Herringbone Wing A wing pulley whose wings are set in a double-V, or herringbone, pattern rather than straight across. The angled wings shed fines and reduce the belt vibration and shell wear that straight wings cause.

Hog Rings: Circular mechanisms that securely grip a shaft inside a roller, demanding consistent checks for tightness and integrity to prevent roller malfunction.

Hold Down Mechanism: Devices used to secure objects on a conveyor and prevent unintended movement, necessitating regular evaluations for proper functioning and adjustments based on material characteristics.

Horizontal Conveyor A conveyor that runs level, with no rise or fall between the loading and discharge ends.

Horizontal Floor Space: The spatial requirement for housing and storing a conveyor system, demanding consideration for efficient space utilization and accessibility.

Horsepower (HP): A quantification of the time rate of doing work, defined as the force required to raise 33,000 pounds by one foot in one minute. In electrical terms, one horsepower is equivalent to 746 watts.

Hydraulic Conveyor: A conveyor system utilizing hydraulic power for material movement, demanding inspections for fluid levels, leaks, and overall functionality to prevent system failure.

Hydraulic Take-Up: A tensioning device in a conveyor system that uses hydraulic pressure to maintain belt tension, requiring regular checks for fluid levels and system integrity to ensure proper tension control.

Hz (Hertz): An electrical term for a unit of frequency equal to one cycle per second, necessitating consideration for motor specifications and power supply compatibility.

Incline Conveyor A conveyor that transports material up a slope. Periodic inspections check alignment, belt tension and the cleats or surface that keep product from sliding back.

Incline Conveyor Length: The length determined by evaluating the elevation change from the infeed to discharge points in relation to the degree of incline. Understanding and measuring this length is crucial for proper conveyor system design and performance.

Indexing: The process of separating a designated quantity of products from a larger group, typically achieved with a singulation-specific indexer conveyor. This ensures precise control and organization of materials during the conveying process.

Infeed Conveyor: A conveyor responsible for introducing materials into a production or processing line, demanding regular checks for consistent material flow and proper alignment.

Infeed End: The end of a conveyor system located closest to the loading point, where materials are introduced onto the conveyor. Regular inspections are necessary to maintain efficient material transfer.

Infrared Thermography: A maintenance technique utilizing infrared technology to detect and monitor temperature variations in conveyor components, requiring periodic assessments for identifying potential issues.

Inspection Door: A hinged or removable door in the conveyor structure, providing access for inspections, demanding routine checks for proper functioning and secure closure.

Interlock: A safety mechanism that ensures one component or device cannot operate unless another is in a predetermined state, necessitating regular checks to maintain safety compliance.

Intermediate Bed: A central section of the conveyor that does not house the drive or tail assemblies. Periodic assessments of the intermediate bed contribute to overall conveyor system maintenance.

Intermediate Drive: Additional drive units positioned along the length of a conveyor to provide added power, demanding periodic inspections for alignment and efficiency.

Internal Wear Liner: A protective layer applied to the internal surfaces of conveyor components to mitigate wear, requiring regular inspections and replacement as needed.

Interpolate: The action of calculating intermediate measurements within a given range. This process is essential for maintaining accuracy and consistency in conveyor system operations.

Inventory Management: Conveyor inventory management for spare parts involves systematically tracking, organizing, and optimizing the stock of spare components used in conveyor systems to ensure efficient maintenance, minimize downtime, and enhance overall operational reliability.

Inverter: A device used to control the speed of a conveyor motor, necessitating periodic checks for proper calibration and functionality.

Inverter Drive: A drive system that utilizes an inverter to control the speed of the conveyor motor, demanding regular inspections for calibration and efficiency.

Inverter Motor: A motor designed to work with an inverter for variable speed control, requiring periodic checks for proper functionality and alignment.

Jam Sensor: A specialized sensor within a conveyor system crafted to identify and signal the presence of material jams or blockages. Consistent checks are crucial to maintaining the accuracy and responsiveness of the jam sensor.

Jib Crane A crane with a horizontal boom, or jib, cantilevered from a wall bracket, floor mast or column, with a hoist trolley that travels the jib while the jib itself slews through an arc. Used to lift drives, pulleys and gearboxes within a fixed work area.

Jog Control: A control mechanism enabling manual adjustments or precise movement of conveyor components in small increments. Regular inspections are necessary to ensure the effective functionality and safety of the jog control.

Joint Fastener: A dedicated device utilized to securely connect and fasten the ends of conveyor belts. Routine checks are required to verify and uphold the strength and integrity of the joint fastener.

Junction Box: An enclosure specifically designed to protect electrical connections in a conveyor system. Ongoing checks are essential to safeguard the integrity of electrical connections and prevent issues such as shorts or malfunctions.

Junction Roller: A roller strategically positioned at conveyor junctions to facilitate and guide material flow. Regular inspections are critical to ensuring the proper alignment and functional reliability of junction rollers.

Kevlar Reinforcement: A form of material fortification employed in conveyor belts, harnessing the strength and durability of Kevlar fibers. Routine inspections are imperative to validate the integrity and sustained performance of the reinforced conveyor belt.

Keyless Locking Device: A mechanical apparatus utilized for linking shafts without a traditional key, necessitating regular scrutiny to ensure precise alignment and secure fastening, mitigating the risk of inadvertent disconnection.

Kick Plates: Protective barricades strategically positioned along the conveyor sides to avert material spillage or protrusion. Periodic examinations are mandatory to ascertain their stability and sustained efficacy.

Knee Braces: Braces strategically angled against other structural supports to provide vertical stabilization for conveyors. Regular checks are essential to maintain the angular stability and structural integrity of knee braces.

Knife Edge Conveyor Belt A belt conveyor whose end uses a very small transfer radius — a nose bar or small-diameter roller — so small or flat items pass to the next conveyor across a minimal gap. Nothing on it is sharpened.

Knurl Thumb Adjustable Nut: A specialized nut designed for accumulating conveyors, allowing tool-free adjustments to the pressure required for product movement. Regular checks ensure optimal functionality and pressure settings.

KPI (Key Performance Indicator): Metrics and benchmarks employed to gauge the effectiveness and efficiency of conveyor system maintenance practices. Regular assessments are critical for fostering continuous improvement in conveyor system performance.

Lacing: The method of attaching both ends of a belt segment using specialized fastening materials, demanding careful installation and periodic checks for tightness and integrity.

Lagged Pulley: A pulley featuring a surface crowned with material, typically rubber, to enhance friction with the conveyor belt. Regular checks are essential to maintain the effectiveness of the lagged pulley.

Lagging: A covering, usually rubber or ceramic, bonded to the face of a drive pulley to raise friction against the belt and cut slippage. It wears as a consumable and is inspected for thickness, bond and grooving. Also called non-slip pulley lagging.

Lateral Stability: The capability of a conveyor system to maintain side-to-side stability during operation. Regular assessments are required to prevent issues related to misalignment and potential material spillage.

Leveling Feet: Adjustable supports or feet beneath the conveyor structure allowing precise leveling and stabilization. Regular adjustments may be needed to ensure proper alignment and balance.

Lift and Transfer: A device designed for lateral movement of products between conveyor lanes or systems, requiring regular inspections for smooth operation and proper alignment.

Limit Switch An electromechanical switch whose lever, roller, plunger or whisker is physically displaced by a moving object, opening or closing its contacts. On conveyors it senses product position and the travel limits of diverters, gates, lifts and take-ups.

Line Pressure The back pressure a line of accumulated product exerts on the carton at the front of the queue. Minimum-pressure and zero-pressure accumulation conveyors are built to limit or remove it.

Live Roller Conveyor: A system comprising a series of powered rollers facilitating the movement of objects through the application of power to either all or some of the rollers. The power transmitting medium is typically in the form of belting or chain.

Load Centering Device: Mechanisms or devices crafted to maintain the material load precisely centered on the conveyor, ensuring a harmonized and efficient movement. Regular checks are imperative to prevent deviations that may lead to imbalance.

Load Zone: The designated section of the conveyor responsible for material loading onto the belt. Frequent inspections are essential to proactively address potential issues such as spillage, misalignment, and excessive wear.

Looped Connection Splice: A technique employed for joining the ends of a conveyor belt through a looped connection, requiring the proficiency of expert installers and regular checks for wear and security.

Lubrication System: A systematically designed system tailored to apply lubricants to crucial conveyor components, such as bearings and chains, mitigating friction and preventing premature wear. Rigorous maintenance practices are critical to uphold optimal performance.

Luffing Conveyor: An adaptable conveyor system featuring an adjustable conveyor belt angle, accommodating changes in elevation. Periodic inspections are indispensable to uphold precise luffing adjustments and preemptively address any issues related to material flow.

Luffing Pulley: A specialized pulley crafted to regulate the conveyor belt angle in a luffing conveyor system. Regular checks are imperative to preserve proper functionality, preventing misalignments.

Lump Size: The maximum dimensions of material particles that a conveyor can efficiently handle. Regular assessments are essential to ensure the conveyor’s compatibility with the specific lump size of materials.

Machine-Crafted Crowned Pulley: A pulley featuring a precisely machined crown or vertex, created through automated processes, typically computer-driven, to ensure accurate contours and enhance performance.

Magnetic Conveyor: A specialized conveyor equipped with magnets designed for the transportation of magnetic materials. Regular inspections are essential to assess magnet strength, alignment, and overall functionality.

Magnetic Starter: An electrical device that not only initiates the conveyor’s motor but also provides vital overload protection. Regular checks are necessary to ensure proper motor control and protection.

Main Drive: The primary power source responsible for propelling the conveyor system. Routine inspections are crucial to maintaining optimal functionality, alignment, and overall performance.

Maintenance Logbook: A comprehensive record that documents all maintenance activities, inspections, and repairs performed on the conveyor system. It serves as a historical record for system health and adherence to maintenance schedules.

Maintenance Scheduling: A predefined plan outlining regular tasks and intervals for inspecting, servicing, and repairing conveyor components. It ensures proactive upkeep and prolonged system reliability.

Manual Activation Switch: A simple one-direction switch used to manually turn the conveyor on and off, providing straightforward control over system operation.

Mat Top Conveyor: A conveyor featuring a flat, solid surface, commonly used for transporting larger items. Periodic checks are necessary for wear, alignment, and smooth material flow.

Material Flow Optimization Analyzing and adjusting conveyor rates, product spacing, buffer capacity and bottlenecks so throughput rises without adding equipment.

Material Handling Procedures: The overall process of moving, controlling, and manipulating materials on the conveyor system. Continuous evaluations are necessary for efficiency, safety, and optimal workflow.

Mechanical Belt Splicing: A method of joining conveyor belts using mechanical fasteners. Periodic checks are required to ensure secure connections, assess wear, and maintain overall stability.

Metal Detection System: An integrated system designed to detect metal objects on the conveyor belt. Regular inspections and calibrations are necessary for accurate performance and system integrity.

Microprocessor-Based Control: An advanced control system utilizing microprocessors for precise and automated conveyor operation. Regular monitoring is essential for software updates, functionality, and calibration.

Minimum Pressure Accumulating Conveyor: A specialized conveyor designed to minimize pressure buildup between adjacent packages or cartons. Regular checks ensure efficient material flow.

Misalignment Safety Switch: A safety device designed to detect and respond to conveyor misalignment. Regular inspections and adjustments are essential for proper functionality and system safety.

Modular Belt Structure: A conveyor belt composed of individual interlocking modules. Periodic checks are necessary to assess module integrity, alignment, and overall belt condition.

Motor Alignment Adjustment: The meticulous positioning of conveyor motors to guarantee efficient power transmission. Regular inspections and fine-tuning of the alignment sustain optimal motor performance.

Motorized Pulley: A compact, motor-driven pulley integral to the conveyor system, requiring periodic inspections for proper functioning, lubrication, and overall health.

Motorized Roller Conveyor System: A conveyor system with rollers powered by individual motors. Regular inspections are essential for assessing roller and motor health, alignment, and overall functionality.

Muff Coupling The simplest rigid shaft coupling: a hollow sleeve slipped over both shaft ends and keyed in place. It transmits torque but cannot accommodate any misalignment.

Multilevel Conveyor Structure: A conveyor system with multiple tiers or levels, necessitating frequent inspections for stability, alignment, and material flow on each level.

Multiple Strand Conveyor Chain: A conveyor chain with multiple parallel strands, requiring regular assessments for wear, tension, and overall integrity.

Negative Crowned Pulley A pulley with raised areas set equally in from each end, used on tail pulleys 24 in. OAW and wider to assist belt tracking.

Net Lift: The net vertical distance through which material is conveyed against gravity by a conveyor system. Periodic assessments are necessary to ensure efficient material movement.

Nip Point Guard: A guard positioned to block access to a nip or pinch point on the conveyor — where the belt meets a pulley, or a chain meets a sprocket. It does not remove the nip point; it prevents anyone reaching it. Periodic inspection confirms it is in place and effective.

Noise Level: The extent of sound volume produced during the operation of a conveyor system. Regular evaluations are imperative to identify and mitigate heightened noise levels effectively.

Nominal Belt Tension: The pre-established or recommended tension level designed for a conveyor belt under typical operating conditions. Consistent examinations are essential to sustain optimal belt tension, mitigating issues like slippage and undue wear.

Non-Clogging Tail Pulley: A tail pulley crafted to curtail material buildup and thwart clogging issues. Regular inspections are vital to guarantee seamless operation and unobstructed material flow.

Non-Contact Sensor: A sensor integrated into conveyor systems that operates without direct physical contact with the material or object being detected. Routine inspections are imperative to ensure precise sensing.

Non-Contact Switch: A safety switch within a conveyor system designed to activate without requiring physical contact. Regular checks are crucial to ascertain consistent responsiveness.

Non-Drive End: The termination point of the conveyor system where components lack direct connections to the drive unit. Periodic checks are essential to maintain stability and ensure proper alignment.

Non-Powered Roller: Rollers in a conveyor system devoid of a dedicated power source, relying on external forces for movement. Regular inspections are crucial to assess wear, alignment, and overall functionality.

Non-Resettable Counter: A counter within a conveyor system resistant to manual resetting, offering precise and tamper-proof tracking of specific events or quantities. Systematic monitoring is necessary for dependable data acquisition.

Nose Bar Transfer: A conveyor system design incorporating a nose bar to facilitate the seamless transfer of materials between conveyors. Periodic checks are requisite for ensuring proper alignment and efficient material transfer.

Nose Roller: A small roller employed on power belt curve conveyors to minimize gaps at transfer points. Regular inspections are indispensable to uphold effective functionality.

Noseover: A segment of the conveyor equipped with transition rollers to ensure a smooth transition from incline to horizontal or vice versa. Periodic inspections are necessary for sustaining proper functionality and optimal material flow.

Notched Belt: A conveyor belt featuring notches or cutouts to accommodate specific product shapes. Regular inspections are imperative to ascertain the integrity of the notched belt.

Nozzle: A device within a conveyor system that releases air or other substances for diverse purposes, such as cleaning or cooling. Regular checks are vital to guarantee optimal nozzle performance and prevent potential clogs.

NPT (National Pipe Thread) The US standard tapered pipe thread form, ANSI/ASME B1.20.1, used on threaded fittings and ports throughout conveyor pneumatics and lubrication lines. The taper is what makes the joint seal. NPT names a thread form covering many sizes, not a size in itself.

Null: A term denoting a state of no movement or a zero position within a conveyor system. Regular monitoring is essential to promptly identify unexpected null conditions.

Null Zone: A designated area within a conveyor system where the absence of products or materials is intended. Regular monitoring is crucial to preserve the integrity of the null zone.

Nylon Conveyor Belt: A conveyor belt crafted from nylon material, known for its robustness and durability. Periodic inspections are necessary to evaluate wear patterns and maintain overall condition.

Nylon Fabric: Fabric material derived from nylon fibers and utilized in various conveyor components, such as belts and covers. Regular checks are indispensable to uphold integrity and durability.

Nylon Rollers: Rollers within a conveyor system constructed from nylon material, acknowledged for their durability and resistance to wear. Regular inspections are essential to ensure proper alignment and confirm overall functionality.

Nylon Slider Bed: A conveyor bed design featuring a slider surface composed of nylon material. Frequent inspections are requisite to monitor wear patterns, assess alignment, and facilitate proper material flow.

Nylon Sprockets: Sprockets incorporated into a conveyor system, constructed from nylon material and often employed in chain-driven applications. Regular assessments are necessary to evaluate wear and confirm overall condition.

Nylon Wear Strip: A strip composed of nylon material, strategically employed to diminish friction and wear in specific areas of a conveyor system. Regular checks are essential to preserve effectiveness.

Nylon Webbing: Webbing material produced from nylon fibers, utilized in the construction of conveyor belts. Periodic inspections are crucial to assess condition, alignment, and wear.

Nylon-Covered Bearings: Bearings within a conveyor system shielded with a layer of nylon material to augment durability and reduce friction. Regular checks are requisite to monitor wear and evaluate overall condition.

Nylon-Reinforced Belt: A conveyor belt fortified with additional layers of nylon material for heightened strength and extended longevity. Regular inspections are essential to evaluate condition, alignment, and wear.

Nylon-Rubber Compound: A material compound integrated into conveyor components, combining the properties of nylon and rubber to enhance durability and flexibility. Regular checks are necessary to validate integrity.

Offset Side Frame: A deliberately misaligned side frame within a conveyor system, tailored to meet specific production demands. Routine checks are essential for preserving stability and precise alignment.

Oil-Resistant Belt A belt with a cover compounded, commonly with nitrile, to resist oil. Oil does not corrode belting: it penetrates and swells the rubber, softening the cover and weakening the carcass until the plies separate.

Oil-Resistant Roller: Rollers designed for a conveyor system to effectively withstand the adverse impacts of oil exposure. Periodic checks are imperative for assessing condition, alignment, and overall structural integrity.

Operational Status Indicator: An indicator integrated into a conveyor system, offering real-time information about its present operational state. Consistent monitoring is indispensable to ensure precision and continued functionality.

O-Ring: Circular bands strategically utilized to facilitate the transmission of drive power between spools and rollers on a conveyor. Periodic assessments for wear, alignment, and overall integrity are required.

O-Ring Drive: A drive system within a conveyor that harnesses O-ring belts for power transmission. Regular inspections are vital for evaluating the condition, tension, and alignment of O-ring belts.

Over-Temperature Sensor: A sensor in a conveyor system designed to detect and respond to elevated temperatures. Regular inspections and calibrations are necessary to maintain accuracy and functionality.

Over-Tensioning: The condition wherein a conveyor belt is excessively tensioned, leading to increased wear and reduced system efficiency. Regular assessments are required to prevent over-tensioning.

Over-Tightening: The condition wherein components in a conveyor system, such as bolts or fasteners, are excessively tightened. Regular checks are necessary to prevent over-tightening, which can lead to mechanical issues and system damage.

Overall Length (OAL): A term characterizing the span of a conveyor from one exterior pulley to the other, inclusive of belting or lagging, defining the conveyor’s lengthwise configuration.

Overhead Conveyor: A conveyor system strategically positioned above the working area, serving the purpose of material transport in an overhead arrangement. Periodic inspections are imperative to uphold safety standards and precise alignment.

Overhead Drive: A drive assembly mounted over the conveyor, providing crucial clearance and space for products in motion.

Overhead Guard: A robust protective structure installed above a conveyor system, effectively mitigating potential overhead hazards. Regular checks are mandated to guarantee ongoing stability and effectiveness.

Overhead Trolley Conveyor: A conveyor system employing overhead trolleys or carriers for the efficient transport of materials. Regular inspections are imperative to validate proper alignment and assess the functionality of trolleys.

Overload Protection: Safety mechanisms designed to avert potential damage to the conveyor system caused by excessive loads. Consistent checks are indispensable to validate precise functioning and calibration.

Overturning Moment The turning effect that tends to tip a conveyor structure — a lateral or eccentric force multiplied by its lever arm about the tipping edge. It is resisted by the restoring moment of the structure’s own weight and its anchorage.

Package Flow Conveyor: A conveyor system installed within racking, featuring either a wheel bed or roller configuration.

Package Stop: Various devices, whether manual or mechanical, utilized to halt movement on a conveyor.

Pallet Conveyor: A specialized conveyor system engineered for transporting palletized goods, necessitating regular inspections to ensure alignment, load capacity, and overall functionality.

Pallet Flow Conveyor: A conveyor specifically designed for the smooth movement of pallets, containers, and heavy loads, typically within a rack structure.

Parallel Roller Conveyor: A type of conveyor system characterized by multiple rollers aligned parallel to each other, requiring regular checks for roller health, alignment, and efficient material flow.

Parts Accumulator: A component in a conveyor system that temporarily holds and accumulates products or materials, necessitating periodic inspections for proper functioning and capacity management.

Parts Conveyor: The conveyor system used to catch and gather smaller parts and debris away from the production areas in a warehouse.

Passive Roller A roller that is not driven and turns freely under the load it carries, as in a gravity conveyor or as an idler supporting a belt.

Photo Eye: A sensor designed to identify the presence of a load within a conveyor system.

Photoelectric Sensor: A sensor in a conveyor system that uses light beams for material detection, demanding regular inspections for accurate sensing and preventing false readings.

Pitch: The distance between the center points of adjacent components in a conveyor system, necessitating periodic assessments to maintain proper pitch dimensions for optimal system performance.

Pivot Plate: The gusset that attaches the conveyor to the support leg.

Plastisol Coating: Polyvinyl chloride (PVC) covering for roller tubes to prevent product damage or marking. Usually #70 durometer green or #90 durometer red in color.

PLC: Programmable logic controller used to automate conveyors and program a sequence or operation of single or multiple conveyors.

Plow: A mechanism strategically positioned across the conveyor path at the appropriate angle to discharge or divert objects.

Plugged Chute Switch: A safety device integrated into a conveyor system to identify and address material blockages in chutes, necessitating routine inspections for proper functionality and system safety.

Pneumatic Conveyor: A conveyor system employing air pressure for material transport, requiring regular assessments of pneumatic system integrity, pressure levels, and overall efficiency.

Pneumatic Cylinder: A component of a conveyor system utilizing compressed air for generating linear motion, calling for periodic inspections to check for leaks, pressure levels, and overall cylinder performance.

Poly-Tier Support: Adjustable support structures designed to accommodate the load and weight of multi-tiered conveyor systems.

Polymer Conveyor Chain: A conveyor chain crafted from polymer materials, delivering advantages such as corrosion resistance and reduced noise. Regular evaluations are essential to monitor wear, tension, and overall chain integrity.

Pop-Out Roller: A roller typically positioned at the ends of a belt conveyor, aiding in transfer, and set in a broad groove to eject if an object intervenes between it and the belt.

Portable Conveyor: Any type of conveyance that is mobile, usually featuring supports that provide mobility.

Portable Support: Support mechanisms for portable conveyors, equipped with castors and wheels to facilitate easy movement.

Position Sensor: A sensor in a conveyor system that detects the position of materials, demanding regular inspections for accurate sensing and responsiveness.

Positive Crowned Pulley: A pulley designed with an upward curve at both ends converging toward the center of a conveyor, aiding in the proper alignment and tracking of the conveyor belt.

Power Belt Curve: A curve conveyor guided by tapered pulleys that use a belt.

Power Conveyor: A conveyor system that requires power to operate and move packages.

Power Turn Conveyor: A conveyor system with a curved section that allows materials to change direction, necessitating periodic checks for alignment, belt condition, and overall functionality.

Powered Feeder: The mechanized section of a conveyor system responsible for transferring products from a horizontal orientation to an inclined position through powered movement.

Powered Roller Conveyor: A roller conveyor whose rollers are driven rather than gravity-fed. Drive arrangements include line shaft, belt-driven live roller, chain-driven live roller, and motorized driven roller (MDR), in which each zone carries its own motor.

Precision Alignment Setting conveyor components to a stated tolerance against a reference line, laser or piano wire, rather than by eye, so pulleys, shafts and frames come in square within thousandths instead of approximately true.

Precision Bearings: High-quality bearings used in conveyor components for enhanced durability and reduced friction, necessitating regular checks for wear, alignment, and overall bearing condition.

Pressure Relief Valve: A safety device in a conveyor system that releases excess pressure to prevent system damage, demanding regular inspections and adjustments for proper functioning.

Pressure Roller: A specialized roller employed to maintain contact between the driving belt and the load-carrying rollers within a belt-driven live roller conveyor system.

Preventive Maintenance: Planned maintenance activities performed at scheduled intervals to prevent potential issues, extend conveyor system life, and ensure continuous reliability.

Product Footprint: The part of the product that touches any part of the conveyor, including wheels, belts, or rollers.

Proximity Sensor: A sensor in a conveyor system that detects the presence or absence of materials without physical contact, necessitating regular inspections for accurate sensing and responsiveness.

PTFE-Coated Conveyor Belt: A conveyor belt coated with polytetrafluoroethylene (PTFE) for enhanced non-stick properties and resistance to heat. Periodic inspections are necessary to assess wear and overall belt condition.

Pull Cord Switch: A safety device in a conveyor system that stops the conveyor when the pull cord is activated, demanding regular inspections for proper tension and responsiveness.

Pulley A cylindrical drum mounted on a shaft that guides, drives or tensions the conveyor belt. Its face may be plain, crowned, lagged or winged.

Pulley Lagging: The application of a layer of material to pulley surfaces to enhance grip and reduce slipping with the conveyor belt, necessitating regular inspections for maintenance and effectiveness.

Push-Button Station: An electrical mechanism that triggers and operates a magnetic starter.

Pusher: A device, normally air powered, that pushes product 90 degrees off one conveyor line onto another line, a chute or a takeaway station. The pushing element may be a flat plate, a paddle or an arm on the cylinder rod.

Pusher Sorter: A sorting device in a conveyor system that uses pushers to divert materials onto different paths, necessitating regular inspections for proper operation and alignment.

PVC Belt: A type of conveyor belt made from polyvinyl chloride (PVC) material, known for its versatility and resistance to wear. Periodic inspections are essential to assess wear and overall belt condition.

Pyramidal Hopper: A hopper in a conveyor system with a pyramidal shape, used for efficient material feeding. Regular inspections are necessary to prevent blockages and ensure proper material flow.

Quality Control: The process of ensuring that conveyor components and systems meet specified standards and criteria, demanding continuous monitoring and inspections to maintain quality performance.

Quick-Release Belt Fastener: A belt fastening system that allows for easy and rapid removal and replacement of conveyor belts. Regular checks are necessary to ensure the secure fastening and integrity of the conveyor belt.

Quick-Release Chain Link: A chain link design that enables swift and convenient removal and replacement of conveyor chains. Periodic inspections are essential to assess wear, alignment, and overall chain condition.

Quiet Conveyor A conveyor built to run at reduced noise using UHMW chain and wear strips, polymer- or urethane-covered rollers, sealed precision bearings, and belt rather than roller conveying.

Rail Car Unloading Conveyor: A conveyor system dedicated to the swift and efficient unloading of materials from rail cars. Regular inspections are essential to maintain peak performance and prevent challenges related to material flow.

Rail Splice: A methodical approach to connecting sections of conveyor track, particularly prevalent in overhead conveyor systems. Routine checks are vital to uphold the stability and structural integrity of rail splices.

Rail Support Bracket: A bracket crucial for supporting and securing conveyor rails, ensuring stability and precise alignment. Periodic inspections are imperative to sustain structural integrity and alignment.

Reclaimer Conveyor: A conveyor system specifically designed for the reclamation of bulk materials, commonly used in storage yards. Consistent checks are crucial to maintain efficiency and reliability.

Reducer A gearbox fitted between the motor and the drive pulley or sprocket. It lowers the motor’s output speed and raises torque in the same proportion.

Regenerative Brake: A braking system in a conveyor that recovers and utilizes energy during deceleration, enhancing overall efficiency. Ongoing checks are essential to maintain effectiveness and safety.

Remote Monitoring: A system allowing the monitoring and control of conveyor operations from a distant location, often through digital technology. Regular assessments are necessary to ensure connectivity, accuracy, and security.

Return Idler: An idler roller strategically positioned underneath the conveyor belt, dedicated to providing support to the return portion of the belt. Regular inspections are essential to validate alignment, rotation, and overall condition.

Reverse Action: An operational mode in a conveyor system where the direction of material flow is intentionally reversed. Regular inspections are imperative to guarantee the proper functionality and safety of components engaged in reverse action.

Reversible: Denoting a conveyor system designed to facilitate the movement of cartons and products in any direction.

Reversible Conveyor: A conveyor system engineered with the capability to alter the direction of material flow. Consistent checks are crucial to sustain overall functionality, alignment, and safety standards.

Rip Detection: A system devised to identify and promptly signal the presence of a rip or tear in the conveyor belt.

Roller: The mechanism attached to conveyor beds that moves products along, driven either by power or by gravity.

Roller Bed: The planar surface of the conveyor outfitted with an ensemble of wheels and rollers, forming a stage where products rest and travel, driven by either power or gravity.

Roller Bed Conveyor: A type of conveyor featuring rollers strategically positioned along the bed surface to offer support and seamless transportation of materials. Periodic inspections are necessary to evaluate roller condition and alignment.

Roller Center: A measure of the distance between the pivotal cores of two rollers on the conveyor bed, measured from axle center to axle center.

Roller Chain: A chain purposefully integrated into conveyor systems to transmit power between components. Regular scrutiny is indispensable to preserve tension, lubrication, and structural integrity.

Roller Conveyor: A conveyor configuration marked by the alignment of rollers across beds, carving a thoroughfare where cartons and products travel, driven by power or gravity.

Roller Diameter The outside diameter of the roller tube, measured across the circular face. Common conveyor sizes are 1.9 in., 2.5 in. and 3.5 in. Not to be confused with roller length, the end-to-end dimension.

Roller Frame: The architectural structure fashioned to cradle and shield conveyor rollers, providing a stable base for their operation. Consistent inspections support stability, alignment, and overall condition.

Roller Lacing: A method of joining the two ends of a conveyor belt with interlocking metal lacing held together by a connecting pin, forming a hinged splice. Because the pin can be withdrawn, the belt can be opened for removal or repair without being cut.

Roller Shaft: The central shaft of a conveyor roller, connecting it into the conveyor frame. Regular inspections support alignment, lubrication, and overall condition of roller shafts.

Roller Spacing: The interval between adjacent rollers in a conveyor system, which when properly set prevents material entanglements and misalignments. Ongoing checks maintain uniform spacing.

Roller Stand: The supports bearing the weight of gravity conveyor systems, providing stability and alignment. Routine inspections uphold the condition and alignment of these conveyor supports.

Roller Table: An arrangement of rollers on the conveyor where materials move along. Periodic checks assess the condition and alignment of the rollers, ensuring the seamless functionality of the conveyor table.

Roller Track: Pathways paved with rollers, guiding material movement within conveyor applications. Consistent checks maintain alignment, condition, and performance of the roller track.

Rotary Positioner: A device on the conveyor with the ability to rotate and position materials. Regular inspections ensure seamless functioning, alignment, and safety.

Rubber Belt: A conveyor belt crafted from rubber, known for its flexibility and durability. Periodic inspections assess wear, tension, and overall condition of rubber belts.

Run-In Period: The initial period where a new or rebuilt conveyor system adjusts and stabilizes in operation. Routine checks identify and rectify any issues that arise during this period.

Running Tension: The tension in a conveyor belt while it is in motion. Ongoing checks ensure running tension remains within specification, preventing slipping and unwarranted wear.

Runout: The deviation and wobbling of rotating components within the conveyor system. Regular measurements assess the alignment and balance of conveyor components.

Safety Pull Cord: An emergency stop device featuring a cord that, when pulled, triggers an immediate shutdown of the conveyor system. Regular inspections are essential to ensure proper installation, tension, and responsiveness.

Safety Switch: A switch integrated into a conveyor system to ensure safety by halting or controlling the operation when activated. Ongoing checks are essential to verify proper functioning, alignment, and responsiveness.

Sag The vertical deflection of the belt below a straight line drawn between two adjacent idlers, expressed as a percentage of idler spacing. It is normally held to 2–3 percent; beyond that the belt spills material and wear accelerates.

Scavenger Conveyor: A conveyor system designed for the removal of residual material or debris. Regular inspections are crucial to ensure efficiency and reliability.

Scissor Lift Conveyor: A conveyor equipped with a scissor lift mechanism for adjusting the height of the conveyor bed. Consistent checks are necessary to verify proper functioning, stability, and safety.

Scraper: A device or blade used to remove material residue from the surface of the conveyor belt, enhancing cleanliness and preventing carryback. Regular inspections assess scraper condition and maintain effective material removal.

Seal: A component or material used to close gaps and prevent material leakage in conveyor systems. Regular checks and replacements are essential to ensure effective sealing, preventing contamination and material loss.

Sealed Bearings: Bearings in a conveyor system equipped with protective seals to prevent contaminants from entering and ensure smooth operation. Routine inspections assess seal integrity and maintain optimal bearing performance.

Seamless Conveyance Loop: A conveyor belt devoid of splicing, necessitating regular examinations for wear, tracking, and overall condition to sustain uninterrupted and dependable operation.

Self-Aligning Conveyor: A conveyor system designed to automatically adjust and maintain proper alignment. Consistent maintenance is crucial to ensure ongoing effectiveness, preventing misalignment issues.

Self-Aligning Idler: An idler roller designed to automatically adjust and maintain proper alignment of the conveyor belt. Periodic checks ensure the effective self-aligning capability and prevent issues like uneven wear.

Self-Aligning Roller: A roller designed to automatically align and center the conveyor belt, preventing misalignment issues. Ongoing checks verify proper functioning and alignment.

Self-Cleaning Tail Pulley: A tail pulley designed to shed material buildup and prevent carryback. Regular inspections are necessary to ensure self-cleaning functionality and proper operation.

Sensor: A device in a conveyor system that detects and responds to specific conditions, such as material presence or temperature. Regular inspections ensure accurate sensing and prevent false readings.

Sequencing: The controlled order of operations in a conveyor system, ensuring proper coordination of different components. Regular checks maintain the sequencing logic and prevent issues like jams or misalignments.

Service Life: The expected lifespan of conveyor components or the entire conveyor system. Periodic assessments evaluate wear, fatigue, and other factors affecting service life.

Service Loop: A coiled arrangement of electrical cables designed to provide flexibility and movement without inducing damage. Regular examinations validate the integrity and operational effectiveness of service loops.

Set High: Vertical spacing that allows rollers to be attached above frame rails.

Set Low: Vertical spacing that allows the roller to be mounted below the top of the frame rails.

Shaft: A rotating rod or spindle integral for providing support and transmitting motion within conveyor components. Regular inspections evaluate the condition, alignment, and overall integrity of the shaft.

Shaft Alignment: The precise adjustment of conveyor shafts to ensure proper alignment and prevent issues such as increased wear or power transmission inefficiency. Regular checks and adjustments maintain shaft alignment.

Shaft Coupling: A device used to connect two shafts in a conveyor system, transmitting motion and torque. Ongoing inspections assess coupling condition, alignment, and overall functionality.

Shaft Diameter: The specific width of a conveyor shaft, tailored to the demands of its application. Consistent measurements appraise shaft diameter, guaranteeing compatibility with conveyor components.

Shaft Extension: The extended segment of a conveyor shaft projecting beyond its junction point. Regular assessments confirm the steadfastness, alignment, and soundness of shaft extensions.

Shaft Key: A securing device employed to fasten the link between a shaft and a conveyor component, averting slippage or misalignment. Regular inspections validate the condition of shaft keys.

Shaft Mount Reducer: A type of reducer directly mounted on a conveyor shaft to decrease speed and increase torque. Consistent checks verify proper functioning, lubrication, and alignment.

Shaft Seal: A seal used to protect conveyor components, such as bearings, from contaminants and prevent lubricant leakage. Ongoing checks verify the integrity and effectiveness of shaft seals.

Shaft Sleeve: A protective sleeve installed over a conveyor shaft to enhance durability and prevent wear. Regular inspections assess sleeve condition and ensure proper protection of the shaft.

Shaft Sprocket: A sprocket directly mounted on a conveyor shaft for power transmission. Periodic assessments evaluate sprocket condition, alignment, and overall integrity.

Shaft Type The classification of a conveyor shaft by construction and duty — solid or hollow, keyed or keyless, stub or through, drive or idler — which determines the torque it can carry and how components mount to it.

Shaft Vibration: The oscillating movement of a conveyor shaft extending beyond standard parameters. Continuous vigilance identifies and rectifies heightened shaft vibration, ensuring system stability.

Shafting: The comprehensive designation for all the shafts employed throughout a conveyor system. Periodic evaluations gauge the condition, alignment, and well-being of the entire shafting network.

Shear Pin: A pin designed to fracture under excessive loads, serving as a protective measure for conveyor components. Regular inspections verify the presence and structural integrity of shear pins.

Sheave: A grooved pulley wheel specifically crafted for transporting a V-belt. Consistent checks validate the stability, alignment, and efficacy of sheaves in facilitating smooth belt movement.

Sheet Metal Guard: A defensive enclosure fashioned from sheet metal, dedicated to shielding conveyor components from external influences. Systematic checks confirm the steadfastness, alignment, and efficacy of sheet metal guards.

Short Center Conveyor A conveyor with a short distance between its head and tail pulley centers, used for close transfers and in tight spaces.

Side Channels: Structural elements designed to bolster and uphold the rollers situated on the lateral sides of the conveyor. Periodic inspections ascertain the robustness and alignment of side channels.

Side Mount Drive: An integrated drive mechanism affixed to the lateral aspect of the conveyor, typically utilized where minimal elevations are a prerequisite. Consistent checks validate efficient operation, lubrication, and alignment.

Side Rail: A supportive framework flanking the conveyor’s sides, serving to direct and confine transported materials. Routine examinations sustain the structural integrity, alignment, and safety attributes of side rails.

Side Roller: A roller strategically positioned along the sides of the conveyor, dedicated to guiding and supporting the conveyor belt. Ongoing inspections authenticate the condition and alignment of side rollers.

Side Tables: Sturdy steel platforms affixed to either side of the conveyor bed, offering a working surface in close proximity to the conveyor. Regular checks ensure the stability, alignment, and effectiveness of side tables.

Slave Drive: A conveyor drive that takes its power from an adjacent conveyor rather than from a prime mover of its own, linking the two so they start, stop and run together.

Slider Bed Conveyor: A conveyor variant featuring a flat surface known as a slider bed, designed to support and transport diverse materials. Periodic examinations gauge the condition and alignment of the slider bed.

Slug Mode An accumulation-conveyor release mode that discharges the entire accumulated line at once as a single group, rather than releasing cartons one at a time. The opposite of singulation.

Snub Idler: Rollers strategically employed to augment the arc of contact between the conveyor belt and the drive pulley. These idlers enhance traction and minimize potential slippage.

Snub Pulley: A pulley designed to amplify the wrap angle of the conveyor belt, significantly enhancing traction and grip. Regular checks ascertain precise snub pulley alignment, mitigating the risk of belt slippage.

Soft Start: A mechanism ensuring a gradual acceleration of conveyor speed during the startup phase, mitigating stress and wear on components. Continuous monitoring preserves the efficacy of soft start systems.

Sortation Conveyor: A conveyor engineered to categorize and organize products based on predetermined destinations. Regular assessments maintain the precision and effectiveness of sortation conveyors.

Spare Parts Optimization: The strategic management of spare parts inventory through the CMMS to ensure that critical components are available when needed. Spare parts optimization involves balancing stock levels, reducing excess inventory, and minimizing costs while maintaining operational readiness.

Speed Reducer: A power transmission apparatus engineered to furnish controlled velocity to the driven equipment, ensuring it operates at a speed lower than that of the prime mover. Encased in a protective housing to safeguard lubricants and prevent the infiltration of extraneous elements.

Speed Sensor: A sensory component integrated into a conveyor system, tasked with precisely gauging the speed of the belt or other dynamic components. Regular calibrations uphold the accuracy of speed readings.

Spillage: The inadvertent release or escape of material from the conveyor, often triggering cleanup procedures and introducing potential hazards. Systematic inspections pinpoint and rectify factors contributing to spillage.

Splice: The juncture or linking point between two ends of a conveyor belt, necessitating routine inspections and repairs to fortify the structural integrity and resilience of the conveyor belt splices.

Splicing: The process of joining two extremities of a conveyor belt, demanding specialized splicing techniques and fastidious inspections. This approach ensures sturdy and dependable connections within the conveyor belt.

Spool Conveyor: A conveyor where spools orchestrate the motion of O-rings, propelling rollers to facilitate the movement of products along the conveyor route. Periodic assessments guarantee optimal functionality.

Spring-Loaded Axle: A roller conveyor axle featuring spring-loaded attributes, allowing the removal of rollers from the conveyor without comprehensive disassembly. Routine checks validate seamless operation.

Sprocket: A toothed wheel integrated into chain-driven conveyor systems, prompting the need for periodic evaluations to affirm its condition, precise alignment, and functionality within the system.

Spur: A segment within a conveyor system strategically designated for the diversion of unit loads to and from the mainline. Regular inspections guarantee peak performance and reliability of this spur section.

Stainless Steel Conveyor: A conveyor system fashioned from components of stainless steel, valued for its resistance to corrosion and durability. Stringent maintenance practices repel corrosion, uphold hygiene standards, and extend operational life.

Stand-Alone Conveyor: A self-sufficient conveyor system that functions independently without integration into a larger network. Regular checks uphold the autonomy and reliability of the stand-alone conveyor.

Standby Mode: An operational phase wherein a conveyor system temporarily remains inactive, poised to swiftly resume operation when the need arises. Routine checks guarantee the seamless transition between standby and active modes.

Start-Up Sequence: The preordained series of actions executed when initiating the conveyor system. Consistent checks and vigilant monitoring orchestrate a smooth and safe start-up sequence, averting issues like overload or misalignment.

Static Conductivity: The capacity of conveyor components to disperse static electricity and thwart the accumulation of static charges. Periodic assessments sustain optimal conductivity, preventing static-related challenges.

Strain Relief: A mechanical apparatus deployed to alleviate tension and forestall excessive stress on electrical cables within the conveyor system. Regular inspections ensure proper strain relief mechanisms are in place to avert cable damage.

Support: The arrangement of structural elements dedicated to preserving the elevation or alignment of conveyors. Supports may manifest as hangers, floor supports, or brackets, in both stationary and portable configurations.

Switch: Any device facilitating the connection of two or more adjacent package conveyor lines; often an electrical control device governing the flow of materials.

Tail End: The point of loading in any conveyor system where materials are introduced for transport.

Tail Pulley: A pulley system positioned at the tail end of a conveyor system, facilitating the return of the conveyor belt.

Take-Up: A mechanical structure designed to adjust the length of belts and chains, compensating for factors such as shrinkage, stretch, and wear, ensuring optimal tension.

Tangent: The straight segment following a curved conveyor, providing a transition between curved and straight sections.

Tapered Roller: A conical conveyor roller designed for curved sections, featuring end and intermediate diameters proportional to their distance from the curve’s center.

Temperature Control: The systematic monitoring and regulation of conveyor component temperatures, particularly crucial in environments with extreme temperatures that can impact overall performance.

Tensioning: The process of adjusting belt tension to maintain proper operation, preventing issues like slipping or excessive wear, and ensuring optimal conveyor performance.

Throughput: The measure of the flow of products or inventory processed through a warehouse conveyor system, reflecting its efficiency and productivity.

Torque: The rotational force within the drive components, including motors and gearboxes. Inspecting and sustaining torque supports efficient power transmission.

Total Load: The weight distributed across the entire length of the conveyor system, requiring management to ensure equilibrium and structural soundness.

Tracking: The operation of guiding the conveyor belt along a predetermined path.

Traffic Cop: A device positioned to intercept and prevent the undesired impact of cartons as they enter the conveyor.

Training Idlers: Idlers that ensure the centering of the conveyor belt through diligent oversight and adjustment.

Transfer Points: The junctures where materials transition between conveyor belts, inspected and cleaned to prevent spillage and guarantee an uninterrupted transfer.

Transition Zone The length of belt between the last fully troughed idler and the flat terminal pulley, where the belt changes from troughed to flat. Too short a transition overstresses the belt edges.

Transmission Chain A power-transmission chain, typically the roller chain running from the reducer to the head shaft, that carries drive torque — as distinct from a conveying chain, which carries the load.

Trash Conveyor: A conveyor system designed specifically to process and transport emptied boxes and waste material.

Tread Plates: Diamond-clad steel filler plates gracing the gaps between rollers on a roller conveyor, contributing both functionality and finish.

Tripod Support: A three-legged stand supporting small roller and skatewheel conveyors, easily moved and aligned to maintain the conveyor’s elevation.

Troubleshooting: The practice of identifying and resolving issues or malfunctions in the conveyor system, ensuring continuous operation.

Troughed Bed A belt conveyor bed shaped into a trough so the belt cradles the material and spills less. Used across bulk handling for aggregate, coal, ore, grain, wood chips and recyclables alike.

Troughed Belt Conveyor: A conveyor with a belt shaped into a trough, cradling and transporting materials.

Troughing Shaping the belt into a trough with troughing idlers so it holds more material and spills less. Trough angles are commonly 20, 35 or 45 degrees, with deep-trough sets running 45 to 60 degrees.

Turnbuckle: A mechanical device with screw-threaded ends that adjusts tension and structural alignment within the conveyor system.

Turning Wheel: The wheel mounted on an adjustable bracket, ensuring the proper orientation of packages on the conveyor.

Turntable: The rotating bed used for transferring packages from one conveyor system to another.

Two-Pulley Hitch: A transition section that moves products from horizontal positioning to incline.

U-Trough: A conveyor configuration resembling the shape of the letter U, commonly used for handling bulk materials. Routine checks ensure the structural integrity, alignment, and material flow efficiency of U-trough conveyors.

UHMW-PE (Ultra-High-Molecular-Weight Polyethylene): A durable and low-friction material used in conveyor components to reduce wear and enhance material flow. Periodic inspections are necessary to assess the condition and effectiveness of UHMW-PE components.

Under-Belt Clearance The clear space beneath the conveyor structure, to the floor or to the next obstruction, and on a belt conveyor the space between the carrying and return runs.

Under-Tensioning: The condition in which a conveyor belt is insufficiently tensioned, leading to sagging or inadequate support. Regular assessments prevent under-tensioning and ensure optimal belt tension for efficient material handling.

Underground Conveyor: A conveyor system positioned below the Earth’s surface, commonly utilized in mining or tunneling contexts. Regular maintenance upholds the dependability and safety of underground conveyors.

Underside Bed Cover: Metal sheeting employed to shield the lower side of a conveyor.

Underside Take-Up: A take-up segment situated beneath the bed of a belt conveyor.

Unload Area: The designated region in a conveyor system where materials are systematically removed or offloaded. Regular inspections ensure the efficiency of material unloading processes and prevent bottlenecks.

Unload Chute: A channel or passage designed for the controlled discharge of materials from the conveyor. Routine checks prevent blockages, ensure proper alignment, and maintain the integrity of the unload chute.

Unload Station: A designated area along the conveyor line where materials are unloaded or transferred. Periodic inspections maintain the functionality, safety, and efficiency of the unload station.

Upender: A conveyor accessory or system that rotates material from horizontal to vertical, or the reverse, for processing, inspection or palletizing. Also called an inverter or tipper. Regular inspection and lubrication keep the rotation smooth and the safety interlocks working.

Upstream: The direction opposite to the material flow within a conveyor system. Maintenance checks in the upstream section detect and address issues that might impede the smooth movement of materials downstream.

Urethane: A versatile material commonly used in conveyor components, known for its resilience, abrasion resistance, and chemical stability. Periodic assessments ensure the integrity and functionality of urethane-based parts.

Urethane Lagging: The application of a layer of urethane material to pulley surfaces to enhance grip and reduce slipping with the conveyor belt. Regular inspections maintain the effectiveness of urethane lagging.

V-Belt: A type of power transmission belt with a trapezoidal cross-section, commonly used in conveyor systems.

V-Guide: A feature on conveyor belts that provides tracking assistance by fitting into a V-shaped groove on the conveyor pulleys.

Variable Frequency Drive (VFD): An electronic device used to control the speed of motors in conveyor systems, optimizing energy efficiency and performance.

Vendor Relationship Management: The systematic coordination of interactions with external vendors and service providers within the CMMS. Vendor relationship management includes maintaining communication, tracking performance, and ensuring timely procurement of conveyor system components.

Ventilation: The process of ensuring proper airflow and cooling for conveyor components, preventing overheating and optimizing performance.

Vertical Curve: A curved section in a conveyor system that changes the conveyor’s elevation, requiring specialized maintenance considerations.

Vibration Analysis: The practice of monitoring and analyzing vibrations in conveyor components to detect potential issues and prevent equipment failure.

Visual Inspection: A routine check of conveyor components using visual cues to identify signs of wear, misalignment, or damage.

Vulcanization: The process of bonding or fusing rubber components, such as conveyor belts, using heat and pressure for repair or maintenance purposes.

Wear Strip: A protective component, often made of plastic or other materials, installed on conveyor surfaces to reduce friction and prevent wear.

Weighing System: A system incorporated within a conveyor designed to assess the weight of transported materials, commonly employed for purposes such as quality control or inventory management.

Welding Joining metal components by heating them to coalescence, with or without pressure. Arc, MIG and stick welding — the methods used on conveyor frames — apply heat alone; resistance and friction welding add pressure.

Wheel Conveyor: A type of conveyor system that uses wheels to transport materials, commonly used in gravity conveyor setups.

Wiper Blade: A device used to clean debris and material residue from the surface of conveyor belts, ensuring smooth operation and preventing contamination.

Wire Rope Conveyor Belt: A type of conveyor belt that utilizes wire ropes for reinforcement, providing strength and durability.

Work Order Automation: The utilization of the CMMS to automate the creation, assignment, and tracking of maintenance work orders for the conveyor system. This automation enhances communication, efficiency, and accountability in maintenance activities.

Work Platform: An elevated surface or structure built adjacent to a conveyor for maintenance personnel to access and perform inspections or repairs.

Workforce Management and Tracking: Utilizing the CMMS to manage and track the workforce involved in conveyor system maintenance. This includes assigning tasks, monitoring progress, and documenting the skills and certifications of maintenance personnel.

Wrap Angle The arc of a pulley’s circumference that the belt actually contacts, measured in degrees. A bare drive pulley gives about 180 degrees; adding a snub pulley raises it to 210–240 degrees for more traction.

X-Ray Inspection System: An inline detection system mounted over or around the conveyor that uses X-rays to identify foreign objects, voids, or fill-level defects inside sealed product without opening it. Regular calibration and shielding checks are required.

Yield Rate: The proportion of product that passes through the conveyor line and meets specification without rejection or rework, used as a measure of line performance and material handling quality.

Zero-Pressure Accumulating Conveyor: A conveyor system engineered to eradicate any pressure or force exerted between closely positioned products.

Zone Control: A feature in conveyor systems where different zones of the conveyor can be controlled independently, allowing for better energy efficiency and product handling.

Part of the eWorkOrders Learning Center

Glossary

Conveyor Terms & Definitions Glossary

Conveyor systems come with a language of their own. This A–Z guide explains the terms you will run into on the line and in the manual — belts, pulleys, rollers, drives, take-ups, guarding and the maintenance practices behind them.

Whether you are new to conveyors or have run them for years, use it as a quick reference when a spec sheet or work order turns up a term you want pinned down.

Conveyor terms and definitions glossary from eWorkOrders CMMS

Have a term we missed? Submit it through our contact us page and select “Other” in the dropdown.

A–Z · Part of the eWorkOrders Learning Center

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Abrasion Resistance: The distinctive capability of conveyor components, particularly belts, to endure the erosive impact of friction and material forces over time.

Accelerometer: An innovative device employed for gauging acceleration and vibrations within conveyor components, offering valuable insights into potential operational challenges.

Accumulating Conveyor: Any conveyor system strategically engineered to facilitate the systematic accumulation of materials, whether it utilizes rollers, live rollers, belts, or gravity-driven mechanisms.

Adhesive Wear: The wearing down of conveyor components due to the cohesive bonding and material transfer between surfaces, often affecting the overall integrity of the system.

Adjustable Speed Drive: A sophisticated apparatus empowering the adjustment of conveyor belt speed, thereby optimizing control and operational efficiency to meet varying demands.

Air Knife A device that directs a high-velocity stream of compressed air across the belt to blow off residual material and carryback, keeping the return run clean.

Alignment: The meticulous process of calibrating and confirming the precise positioning of conveyor components to uphold the smooth and uninterrupted motion of the conveyor belt.

Alignment Sensor: A precision sensor designed to identify and signal any deviations or misalignments in the positioning of the conveyor belt, promoting operational stability.

Alligator Lacing: A distinctive belt-fastening method executed with a hammer, seamlessly joining the belt ends to create a continuous loop, enhancing the durability and reliability of the conveyor system.

Analysis Software: Advanced computer programs tailored for scrutinizing data derived from conveyor sensors and systems, enabling the identification of trends, patterns, and potential issues for proactive maintenance.

Anti-Seize Compound: A specialized lubricant meticulously applied to fasteners and components, acting as a safeguard against seizing or corrosion, thereby ensuring the longevity and optimal performance of the conveyor system.

Arc Flash: An electrical phenomenon involving a hazardous discharge or explosion, underscoring the critical importance of stringent safety measures during maintenance activities to prevent potential accidents.

Area Classification: The systematic categorization of different zones within the conveyor system based on the potential presence of explosive or hazardous materials, facilitating the implementation of targeted safety measures.

Asset Management: A methodical approach to overseeing, maintaining, and optimizing conveyor assets and components, aimed at extending their lifespan and maximizing operational efficiency over time.

Asset Registry Management: The comprehensive organization and tracking of conveyor system components within the CMMS. This management process includes maintaining detailed records of specifications, installation dates, and historical maintenance data for each asset.

Audit Trail and Accountability: A feature within the CMMS that maintains a detailed record (audit trail) of all changes, activities, and transactions related to conveyor system maintenance. This enhances accountability, transparency, and the ability to trace actions over time.

Automatic Lubrication System: An innovative system designed to automatically dispense lubricants to conveyor components at scheduled intervals, effectively minimizing friction and wear for prolonged equipment lifespan.

Automation Replacing manual control of a conveyor with programmable control — PLCs, sensors, drives and an HMI handling start/stop, routing, speed and diagnostics without an operator at the controls.

Axle: A stationary shaft upon which wheels or rollers are mounted, contributing to the smooth and controlled movement of the conveyor system.

Back Pressure: The resistance applied to a package, exerting force to halt its motion or that of a collection of packages.

Backstop: An essential mechanical or electrical device strategically preventing the reverse movement of the conveyor belt for the sake of safety.

Backup Rollers: Specially positioned rollers located behind the primary idlers, offering supplementary support to the conveyor belt and necessitating routine inspection.

Backup Tube or Channel: A stabilizing mechanism providing structural support for the conveyor frame along its length, ensuring overall system stability.

Bag Flattener: An ingenious mounting assembly designed to invert one conveyor over another, effectively compressing or flattening the conveyed product.

Ball Table: A setup featuring ball transfers that enables the smooth movement of flat-surfaced objects in any desired direction.

Ball Transfer: A specialized device where a larger ball is securely mounted and retained on a hemispherical face comprised of smaller balls.

Ball Transfer Mat: An elevated flooring incorporating walkable ball transfers, designed for the manual movement of heavy loads and pallets.

Ball Transfer Table A flat bed fitted with rows of ball transfers, letting flat-bottomed items be pushed and turned in any direction across the surface by hand.

Bare Pulley: A pulley lacking any surface covering or lagging, presenting the unadorned pulley surface.

Bearing: A vital machine component designed to securely hold shafts, axles, and pins while allowing them to rotate freely.

Bearing Lubrication: The meticulous application of lubricants to reduce friction on conveyor bearings, ensuring optimal and smooth operation.

Bearing Mount: An assembly consisting of a housing and threading to which bearings are attached, forming a crucial part of the conveyor system.

Bearing Replacement: The periodic removal and substitution of conveyor bearings to preemptively counteract potential equipment failure.

Bed: The supportive surface of a conveyor system where the load either rests or slides while being conveyed.

Bed Length: The cumulative length of bed sections needed to construct the conveyor, excluding pulleys and associated components.

Bed Width: The overall width of the bed section within a conveyor system, playing a crucial role in load support.

Belt: A dynamic and pliable band strategically encircling two or more pulleys, positioned to facilitate the transmission of motion, power, or materials from one point to another within the conveyor system.

Belt Cleaner: An instrumental device designed for the meticulous removal of material residue from the conveyor belt, preventing accumulation and ensuring sustained efficiency.

Belt Scraper: A functional apparatus, typically comprising a blade or brush, methodically applied to the in-motion conveyor belt, systematically dislodging and eliminating materials adhering to its surface.

Belt Speed: The measurable rate at which the conveyor belt traverses a specific point in a predetermined time span, frequently denoted in feet per minute, crucial for assessing operational efficiency.

Belt Splicing: A meticulous procedure involving the connection of the conveyor belt ends, forming an unbroken and cohesive loop; this process employs techniques like vulcanization or the utilization of mechanical fasteners for secure and durable linkage.

Belt Tracking: The continuous fine-tuning of the conveyor belt’s alignment to prevent deviations, ensuring a persistent and precise positioning throughout its operational cycle.

Between-Rail Width: The open expanse between the frame rails within a conveyor system, determining the structural blueprint of the system and influencing its overall design.

Bolt Torque: The intentional application of precise rotational force to bolts during the installation process, serving to prevent inadvertent loosening and ensuring a steadfast and secure fastening.

Booster Conveyor: A powered conveyor specifically deployed to recover lost elevation in gravity roller or wheel conveyor lines, actively contributing to augmented overall system efficiency.

Brake Motor: A specialized device typically affixed to a motor shaft between the motor and reducer, featuring automatic engagement mechanisms that activate when the electric current is interrupted or fails.

Brake Rollers: Brakes, either air or mechanically operated, strategically positioned beneath roller conveyors, with the primary function of decelerating or halting packages during the conveyance process.

Bucket Elevator: A vertical conveyor system meticulously designed for the vertical transportation of bulk materials, necessitating periodic inspection and maintenance to ensure sustained functionality and reliability.

Bulk Material Handling: The intricate process of transporting materials in bulk on conveyors, demanding specialized maintenance protocols to mitigate wear and optimize efficiency.

Bushing: A general term referring to a bearing used for specific applications within the conveyor system, contributing to overall functionality.

Bushing Retainer Clip: A securing clip employed to stabilize a bushing in the absence of a cover, ensuring its proper positioning within the conveyor system.

Butt Coupling: An essential component designed to connect various conveyor sections seamlessly, ensuring a continuous and integrated system.

Carryback: Residual material persistently adhering to the conveyor belt, making its way back along the return side; necessitates the implementation of cleaning and removal mechanisms to maintain optimal conveyor functionality.

Caster: A wheel mounted in a fork, rigid or swivel, fitted to conveyor legs and portable frames so the unit can be repositioned. Also spelled castor.

Catenary Load The tension produced in a belt or chain by the weight of the freely hanging section between supports, most often on the return run.

Catenary Sag: The inherent sag or curvature of the conveyor belt between two points, requiring periodic adjustments to ensure optimal tension.

Ceiling Hangers: Steel rods affixed to the ceiling, providing support for conveyors to maximize floor space or when floor support is insufficient.

Center Drive: A drive assembly typically located beneath, often at the center of the conveyor, but adaptable to various positions in the conveyor length. Commonly used in applications involving reversing or incline movement.

Chain: A series of pivotally linked elements forming a medium for conveying or transmitting motion and power.

Chain Conveyor: A conveyance system utilizing one or more chains during operation.

Chain Drive: A mechanism transmitting mechanical energy to conveyor wheels, comprising a drive chain and sprockets.

Chain Guard: A protective covering for drive or conveyor chains, implemented for safety reasons.

Chain Roller Conveyor: A conveyor featuring tread rollers with attached sprockets, driven by a chain.

Chute: A passage or channel designed to guide material flow from one conveyor to another or a specific destination; necessitates periodic inspection for blockages and wear.

Clamshell Gate: A pivotal gate integrated into a conveyor system, designed for controlled opening and closing; regular inspections are essential to ensure proper functionality and prevent potential material spillage.

Cleaning System: Dedicated equipment and mechanisms, including brushes or scrapers, focused on preserving the cleanliness of conveyor components; regular maintenance is imperative to prevent material build-up and ensure optimal performance.

Cleat Height: The vertical measurement of raised portions (cleats) on a conveyor belt, demanding periodic checks for wear and precise positioning.

Cleated Belt: A belt equipped with cleats featuring elevated sections, ensuring the firm positioning of units during travel on slopes.

Cleated Belt Conveyor: A belt designed with uniformly spaced raised sections to stabilize material flow, particularly effective on inclined belts; cleats may be an integral part of the belt or attached separately.

Cleats: An attachment affixed to the conveying surface, serving various purposes such as pushing, supporting, checking, or tripping, aiding in the smooth movement of material along the conveyor path.

Clipper Lacing A hook-type mechanical belt fastener. Rows of wire hooks are driven into both belt ends with a Clipper lacer, then joined by a hinge pin to form a hinged splice that can be opened again for belt removal.

Closed Conveyor System: A conveyor system enclosed within a structure, demanding specialized maintenance to uphold optimal functionality and prevent material spillage.

Clutch Drive: A drive mechanism facilitating the disengagement of the motor from the reducer without stopping the motor or cutting power.

Clutch-Drive Brake: A drive system enabling the disengagement of the motor from the reducer and an immediate halt to conveyor movement without stopping the motor or cutting power.

CMMS: Abbreviation for Computerized Maintenance Management System, software designed for facilities and maintenance managers to organize, track, and optimize various processes within maintenance operations.

Coarse Pitch: The roller center spacing, measuring 37mm (1.458 in.), or 28 shafts per meter.

Coasting Distance: The distance a conveyor system continues to move after the power is turned off, requiring consideration for safety and operational planning.

Collapsible Conveyor: A flexible and expandable conveyor system, demanding regular checks to ensure the proper functioning of extension and retraction mechanisms.

Constant Speed Drive A conveyor drive that runs the belt or chain at one fixed speed, with no provision for varying it — the counterpart to an adjustable speed drive.

Continuous Integration Splice: A technique for seamlessly joining the ends of a conveyor belt without mechanical fasteners, demanding skilled installation and recurrent inspections.

Continuous Miner: A sophisticated mining apparatus seamlessly integrating a conveyor system, demanding meticulous, recurrent maintenance for optimal operational efficiency.

Continuous Weighing: The dynamic process of real-time material flow measurement on a conveyor belt, requiring periodic calibrations and vigilant checks to maintain a high level of precision.

Control Panel: The central command hub orchestrating and surveilling conveyor systems, necessitating regular scrutiny of electrical components, switches, and overall operational efficacy.

Controlled Flow Conveyor An enclosed drag or chain conveyor that moves bulk material en masse at a metered, uniform rate, so discharge stays steady regardless of how unevenly the material is fed in.

Converging: A dedicated segment on roller or wheel conveyors where two independent conveyors intersect, ensuring a smooth amalgamation into a singular conveyor path.

Conveying Surface: The operative area of a conveyor system where materials are transported, typically a flat or contoured structure supporting the items being conveyed. Regular inspections are essential to ensure its integrity, assess wear, and guarantee optimal functionality throughout the conveyor’s operation.

Conveyor Belt: A perpetually moving band, crafted from diverse materials like fabric, rubber, or metal, facilitating seamless object transport from one location to another; necessitates routine inspections for wear patterns, alignment, and splicing integrity.

Conveyor Belt Scale: A precision-engineered system designed for meticulous material weighing on the conveyor belt, mandating recurrent calibrations and checks to preserve and verify accuracy.

Conveyor Diverter Valve: A mechanism designed to redirect material flow from one conveyor path to another, prompting periodic inspections to ensure seamless functioning.

Conveyor Diverters: Mechanisms for guiding materials away from their current conveyor path to another, demanding regular inspections to ascertain continuous functionality and proper alignment.

Conveyor Frame: The foundational skeletal structure providing support to the conveyor belt, necessitating periodic scrutiny for alignment precision, structural robustness, and preemptive identification of potential damage.

Conveyor Guarding: An ensemble of protective barriers and devices strategically positioned to forestall access to moving components of a conveyor system, necessitating routine inspections for compliance and continual evaluation of the effectiveness of these protective measures.

Conveyor Idler: Rollers or a set of rollers providing support and guidance to the conveyor belt, demanding regular inspections for alignment, wear, and lubrication to ensure efficient operation.

Conveyor Impact Bed: A dedicated component designed to absorb the impact of material loading onto the conveyor belt, necessitating frequent inspections for wear and optimal functionality.

Conveyor Merge: The juncture where materials from diverse conveyors merge into a single flow, requiring checks to ensure seamless merging and proper alignment.

Conveyor Pulley: A rotating cylindrical component guiding and supporting the conveyor belt, demanding routine inspections for wear, balance, and precise alignment to maintain operational efficiency.

Conveyor Skid Plate: A protective plate situated on the underside of the conveyor belt to minimize friction and wear, necessitating periodic inspections to ensure continued effectiveness.

Conveyor Skirt Board: A protective barrier along the sides of the conveyor belt to prevent material spillage, requiring inspections for wear patterns and ongoing effectiveness.

Conveyor Transition: The section where the conveyor belt shifts from a flat profile to a troughed profile, necessitating checks to ensure smooth material transfer.

Conveyor Trough: The channel-shaped enclosure housing the conveyor belt, necessitating inspections for material spillage, wear, and alignment to maintain optimal conveyor functionality.

Conveyor Walkway: An elevated walkway for maintenance personnel along the conveyor’s length, demanding regular inspections for safety and structural integrity.

Cooling Conveyor: A specialized conveyor system designed to cool materials during transportation, necessitating checks for cooling mechanisms and the condition of the conveyor belt.

Corrugated Belt: A conveyor belt featuring a corrugated profile for enhanced flexibility and improved material containment, requiring checks for wear patterns and proper alignment.

Counter-Current Conveyor A conveyor on which a second stream, usually cooling or drying air, is directed against the direction of material travel, so the coolest air meets the hottest product. Used in coolers and dryers where heat transfer matters as much as transport.

Counter-Rotating: Conveyors with opposing rotational directions, necessitating regular alignment checks and maintenance to prevent interference.

Counter-Weight Take-Up: A tensioning device utilizing a counterweight to maintain proper belt tension, necessitating periodic adjustments for optimal performance.

Counterweight A weight hung on a gravity take-up to hold constant tension in the belt. It absorbs belt stretch and maintains slack-side tension; it does not balance the conveyed load.

Cross Belt Magnet: A device used for removing ferrous materials from the conveyor belt, demanding routine checks to uphold its proper functioning.

Cross-Bracing: Diagonally positioned rods and turnbuckles across roller bed or live roller conveyors, enhancing frame squareness crucial for precise tracking.

Crossover: A concise conveyor section inserted when the drive switches to the opposite side, distinct from conveyor crossover structures designed for personnel crossing, requiring precise installation considerations.

Crowned Pulley: A pulley tapering equally from both ends toward the center, with the greatest diameter at the midpoint, aiding belt tracking; requires periodic checks for effectiveness.

Crowning: The deliberate shaping of conveyor pulleys to facilitate belt tracking and prevent misalignment, necessitating regular assessments for ongoing effectiveness.

Curve Conveyor: A versatile wheel, roller, or belt conveyor designed to curve at specific sections, preserving seamless product flow and adapting to spatial needs, requiring specialized maintenance.

Cutting Blade: A tool essential for belt splicing or repair, demanding regular inspections for sharpness and consistent effectiveness.

Cycle Time: The duration for a complete cycle of conveyor operation, necessitating continuous monitoring for efficiency and identification of potential bottlenecks.

Cyclical Loading: The repetitive loading and unloading of materials on the conveyor, demanding regular inspections for wear, alignment, and sustained structural integrity.

Damping System: Mechanisms or components crafted to minimize vibrations and oscillations in the conveyor system, prompting routine checks to ensure continued effectiveness.

Dead Plate A fixed, non-driven plate that bridges the gap between two conveyors, or between a conveyor and a machine, so product slides across the transfer point. Product stalling on a dead plate is a fault to correct, not the plate’s purpose.

Decline Conveyor: A conveyor system where pallets and products travel on a downward slope, requiring specialized maintenance for smooth operation.

Deflection Drum: A drum strategically employed to redirect the conveyor belt, necessitating occasional inspections for wear, alignment, and seamless operation.

Degree of Incline: The angle at which a conveyor system slopes upward, demanding precise adjustments and regular checks.

Detachable Chain Link: A chain link designed for easy detachment during maintenance or replacement, requiring periodic inspections for wear and secure attachment.

Differential Curve: A segmented section of a curved conveyor featuring multiple side-by-side roller rows, requiring regular checks for smooth material flow.

Discharge Chute: A designed channel for materials to exit the conveyor, requiring periodic inspections to ensure proper flow and prevent material buildup.

Discharge End: The location on a conveyor where goods are removed for further processing, necessitating efficient material flow and regular inspections.

Diverter: A mechanism redirecting materials from one conveyor path to another, necessitating regular checks for proper functioning and alignment.

Diverter Gate: A gate or flap controlling the flow of materials on the conveyor, demanding inspections for smooth operation and effective material diversion.

Diverting Conveyor: A conveyor system used to move products to different areas for sorting or processing, requiring specialized maintenance.

Document Control and Compliance: Using the CMMS to manage and control documentation related to conveyor system maintenance, including manuals, procedures, and compliance records. This ensures that maintenance activities adhere to industry standards and regulatory requirements.

Double Pitch Roller Chain: A roller chain type with longer pitch links, necessitating regular lubrication and inspections for wear in conveyor applications.

Doughnut Rollers: Circular rollers with a central opening supporting and guiding the conveyor belt, requiring periodic checks for wear and alignment.

Drag Chain Conveyor: A conveyor where the open links of a chain drag material along the bottom of a housing, requiring regular inspections for chain wear, lubrication, and overall system integrity.

Drip Pan Conveyor: A conveyor with a built-in drip pan to catch and contain liquid spillage, necessitating regular cleaning and inspections.

Drive: A unit used to provide movement power for a conveyor. Parts generally include motor and reducer, chain, sprockets, and more.

Drive Alignment: The process of ensuring proper alignment between the drive pulley and other conveyor components, demanding regular inspections to prevent belt misalignment.

Drive Chain: The mechanical link transmitting power in chain-driven conveyor systems, requiring regular lubrication and tension adjustments.

Drive Pulley: The pulley responsible for transmitting power to the conveyor belt, requiring periodic assessments for wear, balance, and alignment.

Drive Unit: The motorized component propelling the conveyor belt, necessitating regular inspections for optimal performance.

Drive Unit Tensioner: A device maintaining proper tension in the conveyor belt, requiring periodic adjustments to prevent slack or excessive tension.

Dust Collection System: Equipment capturing and removing dust generated during conveyor operations, demanding regular maintenance to uphold air quality and prevent system clogging.

Dutchman: A short section of belt with lacing in a conveyor belt, removable when take-up provision has been exceeded, necessitating periodic checks.

Dynamic Braking System A braking method that runs the drive motor as a generator during deceleration and dissipates the recovered energy in resistors or returns it to the line, slowing the conveyor without mechanical friction.

Dynamic Impact Bed: A specialized component absorbing and mitigating the impact of material loading onto the conveyor belt, necessitating periodic inspections for wear and effective functionality.

Dynamic Load: The varying load on the conveyor system during operation, necessitating continuous monitoring and adjustments for optimal performance.

Dynamic Start/Stop Control: A control system managing the gradual starting and stopping of the conveyor, requiring regular adjustments for optimal performance and reduced wear.

Dynamic Weighing System: A system integrated into the conveyor for real-time measurement of material weight during transit, demanding regular calibrations for accuracy.

Eccentricity Degree: The extent of deviation of a pulley’s center from its true axis, demanding routine assessments to maintain alignment and prevent misalignment issues for sustained smooth operation.

Electronic Zero-Pressure Logic (EZLogic): Hytrol’s electronic control for zero-pressure accumulation conveyor, which holds cartons in individual zones without letting them touch. Commonly written EZLogic.

Emergency Activation Cord: A specially coated cord running parallel to the conveyor system, deployable in emergencies to swiftly halt conveyor operations, often paired with an Emergency Stop Switch. Also called an emergency pull cord.

Emergency Halt Mechanism: A safety feature enabling the immediate cessation of conveyor operations in emergency scenarios, necessitating regular tests and inspections to ensure continual reliability.

Emergency Shutdown (Stop) Switch: An electrical mechanism strategically placed to instantaneously cease conveyor functions during emergency situations, typically used alongside an Emergency Activation Cord.

End Pulley The pulley at either end of a conveyor. At the discharge end it is the head pulley; at the loading end, the tail pulley.

End-Drive Conveyor System: A conveyor configuration with the drive unit situated at one end, requiring periodic checks to uphold proper alignment and ensure the system’s efficient operation.

Endless Splice: The technique used to connect the terminals of a conveyor belt, creating an unbroken loop without relying on mechanical fasteners. This process requires expert installation and regular inspections.

Enterprise Asset Management (EAM): An integrated methodology for overseeing the complete lifecycle of physical assets, designed to optimize utilization, enhance cost efficiency, elevate quality standards, ensure health and safety, and safeguard environmental well-being.

Ergonomics: The field of study dedicated to designing conveyor systems and workspaces to improve worker safety, comfort, and efficiency. Ongoing assessments and enhancements are essential components of this discipline.

Excess Wear Wear that has passed the allowable limit for a component — chain elongated beyond its wear limit, lagging worn below minimum thickness, a roller shell worn through — at which point the part is replaced rather than monitored.

Expansion Joint: A flexible connection between conveyor sections to accommodate thermal expansion, demanding periodic checks for proper functioning.

Extendable Conveyor A roller or wheel conveyor that can be lengthened or shortened within limits to suit the job, commonly used at a loading dock to reach into a trailer.

External Wear Liner: A protective layer or coating applied to conveyor components exposed to external wear, requiring regular inspections and replacement as needed.

Eyebolt: A bolt featuring a looped head, designed for lifting or attaching components within the conveyor system, warranting inspections to validate proper installation and sustained structural integrity.

Eyelet Linkage (Splice): A technique for securely joining the ends of a conveyor belt using a looped connection, requiring adept installation and regular assessments to monitor wear and ensure ongoing security.

Face Width: The measurement across the outer face of the pulley on the conveyor belt, demanding periodic checks for alignment and wear to ensure optimal performance.

False Brinelling: A type of bearing damage resulting from small oscillations during rest periods, necessitating regular inspections to prevent premature wear.

Fastener Plate: A metal plate integral to mechanical belt fastening systems, requiring regular inspections for secure attachment and wear resistance.

Feeder Conveyor: A conveyor responsible for transferring materials onto a main conveyor, necessitating periodic checks for proper feeding and alignment.

Finger Guard: Protective barriers or devices designed to prevent personnel from accessing moving parts of a conveyor, necessitating routine checks for compliance and effectiveness.

Fixed End: The point on a conveyor system where components are permanently secured, requiring occasional checks for stability and proper attachment.

Fixed Guard: Stationary protective barriers installed on conveyors to prevent access to hazardous areas, requiring regular inspections for integrity and compliance.

Flapper Gate: An articulated or pivoting plate strategically employed to guide material selectively on a conveyor system, demanding periodic evaluations for precise functioning.

Flat Surface Pulley: A pulley featuring a straight cylindrical drum face, devoid of crown contours, requiring regular inspections for wear, equilibrium, and proper alignment.

Flexible Conveyor: A conveyor system with movable sections for adaptable material handling, requiring regular inspections for flexibility, alignment, and overall functionality.

Flights: Protrusions or cleats attached to the conveyor belt to assist in material transport, requiring periodic inspections for wear and proper alignment.

Flow Rail: Channels or rails facilitating the smooth movement of materials in a gravity conveyor system, necessitating checks for proper flow and alignment.

Flow-Through Tail: A conveyor tail design that allows materials to pass through, demanding inspections for smooth operation and potential blockages.

Fluted Rollers: Rollers with a grooved or ribbed surface to enhance material grip, necessitating periodic checks for wear, alignment, and proper functionality.

FPM (Feet Per Minute): The abbreviation for feet per minute, a unit of measurement for conveyor speed.

Frame Alignment: The adjustment of conveyor frame components to maintain straight and parallel alignment, necessitating routine checks to prevent misalignment issues.

Frame Spacer: Cross connections strategically employed to ensure appropriate separation between the frame rails in a conveyor system, necessitating routine assessments for stability and alignment.

Frame Support Structure: The framework that provides essential support to the machinery components of a conveyor, demanding regular inspections to uphold structural integrity and alignment.

Friction Drive System: A propulsion mechanism reliant on the interaction of the conveyor belt with the drive pulley, demanding frequent inspections for wear and proper tension to ensure optimal functionality.

Friction Roller: A roller that provides additional traction to the conveyor belt, necessitating periodic checks for wear, alignment, and smooth operation.

Full Load Amperage The current a motor draws at its nameplate rating — rated horsepower, voltage and speed — in continuous operation. Distinct from locked-rotor amperage, the far higher inrush current drawn at start-up.

Gate: A conveyor segment equipped with a hinge mechanism, creating an opening for walkway access, operated manually or with a spring-loaded mechanism.

Gate Opening The clear span created when a hinged conveyor gate section is raised: the width and height of the passage available to walk through.

Gear Motor Unit: A motor and speed reducer built as a single unit driving the conveyor. The motor converts electrical energy into mechanical rotation; the gearing then reduces output speed and multiplies torque. Also written gearmotor.

Gradual Material Erosion: The progressive loss of material due to friction and abrasion, requiring systematic inspections and maintenance to prevent equipment failure.

Gravity Bracket: A bracket designed for the attachment of gravity conveyors to the ends of powered conveyors.

Gravity Conveyor System: A non-powered conveyor system relying on gravity for material movement, requiring periodic checks for proper flow and alignment.

Gravity Roller: Rollers in a gravity conveyor system that use gravity to move materials, requiring inspections for wear, alignment, and smooth operation.

Guard Rail: Protective barriers or rails installed along the conveyor to prevent materials from straying, requiring regular inspections for stability and effectiveness.

Guide Roller: A roller designed to guide and support the conveyor belt, necessitating regular checks for wear, alignment, and smooth operation.

Hazard Evaluation: The methodical process of recognizing, evaluating, and addressing potential hazards in a conveyor system to implement suitable safety measures, necessitating consistent updates and adjustments to address evolving conditions.

Head Drive Conveyor: A conveyor system with the drive unit positioned at the discharge end, demanding periodic assessments for precise alignment and efficient operation to guarantee optimal performance.

Head Pulley: The pulley at the discharge or delivery end of the conveyor, requiring regular evaluations for wear, balance, and alignment to sustain dependable functionality.

Herringbone Wing A wing pulley whose wings are set in a double-V, or herringbone, pattern rather than straight across. The angled wings shed fines and reduce the belt vibration and shell wear that straight wings cause.

Hog Rings: Circular mechanisms that securely grip a shaft inside a roller, demanding consistent checks for tightness and integrity to prevent roller malfunction.

Hold Down Mechanism: Devices used to secure objects on a conveyor and prevent unintended movement, necessitating regular evaluations for proper functioning and adjustments based on material characteristics.

Horizontal Conveyor A conveyor that runs level, with no rise or fall between the loading and discharge ends.

Horizontal Floor Space: The spatial requirement for housing and storing a conveyor system, demanding consideration for efficient space utilization and accessibility.

Horsepower (HP): A quantification of the time rate of doing work, defined as the force required to raise 33,000 pounds by one foot in one minute. In electrical terms, one horsepower is equivalent to 746 watts.

Hydraulic Conveyor: A conveyor system utilizing hydraulic power for material movement, demanding inspections for fluid levels, leaks, and overall functionality to prevent system failure.

Hydraulic Take-Up: A tensioning device in a conveyor system that uses hydraulic pressure to maintain belt tension, requiring regular checks for fluid levels and system integrity to ensure proper tension control.

Hz (Hertz): An electrical term for a unit of frequency equal to one cycle per second, necessitating consideration for motor specifications and power supply compatibility.

Incline Conveyor A conveyor that transports material up a slope. Periodic inspections check alignment, belt tension and the cleats or surface that keep product from sliding back.

Incline Conveyor Length: The length determined by evaluating the elevation change from the infeed to discharge points in relation to the degree of incline. Understanding and measuring this length is crucial for proper conveyor system design and performance.

Indexing: The process of separating a designated quantity of products from a larger group, typically achieved with a singulation-specific indexer conveyor. This ensures precise control and organization of materials during the conveying process.

Infeed Conveyor: A conveyor responsible for introducing materials into a production or processing line, demanding regular checks for consistent material flow and proper alignment.

Infeed End: The end of a conveyor system located closest to the loading point, where materials are introduced onto the conveyor. Regular inspections are necessary to maintain efficient material transfer.

Infrared Thermography: A maintenance technique utilizing infrared technology to detect and monitor temperature variations in conveyor components, requiring periodic assessments for identifying potential issues.

Inspection Door: A hinged or removable door in the conveyor structure, providing access for inspections, demanding routine checks for proper functioning and secure closure.

Interlock: A safety mechanism that ensures one component or device cannot operate unless another is in a predetermined state, necessitating regular checks to maintain safety compliance.

Intermediate Bed: A central section of the conveyor that does not house the drive or tail assemblies. Periodic assessments of the intermediate bed contribute to overall conveyor system maintenance.

Intermediate Drive: Additional drive units positioned along the length of a conveyor to provide added power, demanding periodic inspections for alignment and efficiency.

Internal Wear Liner: A protective layer applied to the internal surfaces of conveyor components to mitigate wear, requiring regular inspections and replacement as needed.

Interpolate: The action of calculating intermediate measurements within a given range. This process is essential for maintaining accuracy and consistency in conveyor system operations.

Inventory Management: Conveyor inventory management for spare parts involves systematically tracking, organizing, and optimizing the stock of spare components used in conveyor systems to ensure efficient maintenance, minimize downtime, and enhance overall operational reliability.

Inverter: A device used to control the speed of a conveyor motor, necessitating periodic checks for proper calibration and functionality.

Inverter Drive: A drive system that utilizes an inverter to control the speed of the conveyor motor, demanding regular inspections for calibration and efficiency.

Inverter Motor: A motor designed to work with an inverter for variable speed control, requiring periodic checks for proper functionality and alignment.

Jam Sensor: A specialized sensor within a conveyor system crafted to identify and signal the presence of material jams or blockages. Consistent checks are crucial to maintaining the accuracy and responsiveness of the jam sensor.

Jib Crane A crane with a horizontal boom, or jib, cantilevered from a wall bracket, floor mast or column, with a hoist trolley that travels the jib while the jib itself slews through an arc. Used to lift drives, pulleys and gearboxes within a fixed work area.

Jog Control: A control mechanism enabling manual adjustments or precise movement of conveyor components in small increments. Regular inspections are necessary to ensure the effective functionality and safety of the jog control.

Joint Fastener: A dedicated device utilized to securely connect and fasten the ends of conveyor belts. Routine checks are required to verify and uphold the strength and integrity of the joint fastener.

Junction Box: An enclosure specifically designed to protect electrical connections in a conveyor system. Ongoing checks are essential to safeguard the integrity of electrical connections and prevent issues such as shorts or malfunctions.

Junction Roller: A roller strategically positioned at conveyor junctions to facilitate and guide material flow. Regular inspections are critical to ensuring the proper alignment and functional reliability of junction rollers.

Kevlar Reinforcement: A form of material fortification employed in conveyor belts, harnessing the strength and durability of Kevlar fibers. Routine inspections are imperative to validate the integrity and sustained performance of the reinforced conveyor belt.

Keyless Locking Device: A mechanical apparatus utilized for linking shafts without a traditional key, necessitating regular scrutiny to ensure precise alignment and secure fastening, mitigating the risk of inadvertent disconnection.

Kick Plates: Protective barricades strategically positioned along the conveyor sides to avert material spillage or protrusion. Periodic examinations are mandatory to ascertain their stability and sustained efficacy.

Knee Braces: Braces strategically angled against other structural supports to provide vertical stabilization for conveyors. Regular checks are essential to maintain the angular stability and structural integrity of knee braces.

Knife Edge Conveyor Belt A belt conveyor whose end uses a very small transfer radius — a nose bar or small-diameter roller — so small or flat items pass to the next conveyor across a minimal gap. Nothing on it is sharpened.

Knurl Thumb Adjustable Nut: A specialized nut designed for accumulating conveyors, allowing tool-free adjustments to the pressure required for product movement. Regular checks ensure optimal functionality and pressure settings.

KPI (Key Performance Indicator): Metrics and benchmarks employed to gauge the effectiveness and efficiency of conveyor system maintenance practices. Regular assessments are critical for fostering continuous improvement in conveyor system performance.

Lacing: The method of attaching both ends of a belt segment using specialized fastening materials, demanding careful installation and periodic checks for tightness and integrity.

Lagged Pulley: A pulley featuring a surface crowned with material, typically rubber, to enhance friction with the conveyor belt. Regular checks are essential to maintain the effectiveness of the lagged pulley.

Lagging: A covering, usually rubber or ceramic, bonded to the face of a drive pulley to raise friction against the belt and cut slippage. It wears as a consumable and is inspected for thickness, bond and grooving. Also called non-slip pulley lagging.

Lateral Stability: The capability of a conveyor system to maintain side-to-side stability during operation. Regular assessments are required to prevent issues related to misalignment and potential material spillage.

Leveling Feet: Adjustable supports or feet beneath the conveyor structure allowing precise leveling and stabilization. Regular adjustments may be needed to ensure proper alignment and balance.

Lift and Transfer: A device designed for lateral movement of products between conveyor lanes or systems, requiring regular inspections for smooth operation and proper alignment.

Limit Switch An electromechanical switch whose lever, roller, plunger or whisker is physically displaced by a moving object, opening or closing its contacts. On conveyors it senses product position and the travel limits of diverters, gates, lifts and take-ups.

Line Pressure The back pressure a line of accumulated product exerts on the carton at the front of the queue. Minimum-pressure and zero-pressure accumulation conveyors are built to limit or remove it.

Live Roller Conveyor: A system comprising a series of powered rollers facilitating the movement of objects through the application of power to either all or some of the rollers. The power transmitting medium is typically in the form of belting or chain.

Load Centering Device: Mechanisms or devices crafted to maintain the material load precisely centered on the conveyor, ensuring a harmonized and efficient movement. Regular checks are imperative to prevent deviations that may lead to imbalance.

Load Zone: The designated section of the conveyor responsible for material loading onto the belt. Frequent inspections are essential to proactively address potential issues such as spillage, misalignment, and excessive wear.

Looped Connection Splice: A technique employed for joining the ends of a conveyor belt through a looped connection, requiring the proficiency of expert installers and regular checks for wear and security.

Lubrication System: A systematically designed system tailored to apply lubricants to crucial conveyor components, such as bearings and chains, mitigating friction and preventing premature wear. Rigorous maintenance practices are critical to uphold optimal performance.

Luffing Conveyor: An adaptable conveyor system featuring an adjustable conveyor belt angle, accommodating changes in elevation. Periodic inspections are indispensable to uphold precise luffing adjustments and preemptively address any issues related to material flow.

Luffing Pulley: A specialized pulley crafted to regulate the conveyor belt angle in a luffing conveyor system. Regular checks are imperative to preserve proper functionality, preventing misalignments.

Lump Size: The maximum dimensions of material particles that a conveyor can efficiently handle. Regular assessments are essential to ensure the conveyor’s compatibility with the specific lump size of materials.

Machine-Crafted Crowned Pulley: A pulley featuring a precisely machined crown or vertex, created through automated processes, typically computer-driven, to ensure accurate contours and enhance performance.

Magnetic Conveyor: A specialized conveyor equipped with magnets designed for the transportation of magnetic materials. Regular inspections are essential to assess magnet strength, alignment, and overall functionality.

Magnetic Starter: An electrical device that not only initiates the conveyor’s motor but also provides vital overload protection. Regular checks are necessary to ensure proper motor control and protection.

Main Drive: The primary power source responsible for propelling the conveyor system. Routine inspections are crucial to maintaining optimal functionality, alignment, and overall performance.

Maintenance Logbook: A comprehensive record that documents all maintenance activities, inspections, and repairs performed on the conveyor system. It serves as a historical record for system health and adherence to maintenance schedules.

Maintenance Scheduling: A predefined plan outlining regular tasks and intervals for inspecting, servicing, and repairing conveyor components. It ensures proactive upkeep and prolonged system reliability.

Manual Activation Switch: A simple one-direction switch used to manually turn the conveyor on and off, providing straightforward control over system operation.

Mat Top Conveyor: A conveyor featuring a flat, solid surface, commonly used for transporting larger items. Periodic checks are necessary for wear, alignment, and smooth material flow.

Material Flow Optimization Analyzing and adjusting conveyor rates, product spacing, buffer capacity and bottlenecks so throughput rises without adding equipment.

Material Handling Procedures: The overall process of moving, controlling, and manipulating materials on the conveyor system. Continuous evaluations are necessary for efficiency, safety, and optimal workflow.

Mechanical Belt Splicing: A method of joining conveyor belts using mechanical fasteners. Periodic checks are required to ensure secure connections, assess wear, and maintain overall stability.

Metal Detection System: An integrated system designed to detect metal objects on the conveyor belt. Regular inspections and calibrations are necessary for accurate performance and system integrity.

Microprocessor-Based Control: An advanced control system utilizing microprocessors for precise and automated conveyor operation. Regular monitoring is essential for software updates, functionality, and calibration.

Minimum Pressure Accumulating Conveyor: A specialized conveyor designed to minimize pressure buildup between adjacent packages or cartons. Regular checks ensure efficient material flow.

Misalignment Safety Switch: A safety device designed to detect and respond to conveyor misalignment. Regular inspections and adjustments are essential for proper functionality and system safety.

Modular Belt Structure: A conveyor belt composed of individual interlocking modules. Periodic checks are necessary to assess module integrity, alignment, and overall belt condition.

Motor Alignment Adjustment: The meticulous positioning of conveyor motors to guarantee efficient power transmission. Regular inspections and fine-tuning of the alignment sustain optimal motor performance.

Motorized Pulley: A compact, motor-driven pulley integral to the conveyor system, requiring periodic inspections for proper functioning, lubrication, and overall health.

Motorized Roller Conveyor System: A conveyor system with rollers powered by individual motors. Regular inspections are essential for assessing roller and motor health, alignment, and overall functionality.

Muff Coupling The simplest rigid shaft coupling: a hollow sleeve slipped over both shaft ends and keyed in place. It transmits torque but cannot accommodate any misalignment.

Multilevel Conveyor Structure: A conveyor system with multiple tiers or levels, necessitating frequent inspections for stability, alignment, and material flow on each level.

Multiple Strand Conveyor Chain: A conveyor chain with multiple parallel strands, requiring regular assessments for wear, tension, and overall integrity.

Negative Crowned Pulley A pulley with raised areas set equally in from each end, used on tail pulleys 24 in. OAW and wider to assist belt tracking.

Net Lift: The net vertical distance through which material is conveyed against gravity by a conveyor system. Periodic assessments are necessary to ensure efficient material movement.

Nip Point Guard: A guard positioned to block access to a nip or pinch point on the conveyor — where the belt meets a pulley, or a chain meets a sprocket. It does not remove the nip point; it prevents anyone reaching it. Periodic inspection confirms it is in place and effective.

Noise Level: The extent of sound volume produced during the operation of a conveyor system. Regular evaluations are imperative to identify and mitigate heightened noise levels effectively.

Nominal Belt Tension: The pre-established or recommended tension level designed for a conveyor belt under typical operating conditions. Consistent examinations are essential to sustain optimal belt tension, mitigating issues like slippage and undue wear.

Non-Clogging Tail Pulley: A tail pulley crafted to curtail material buildup and thwart clogging issues. Regular inspections are vital to guarantee seamless operation and unobstructed material flow.

Non-Contact Sensor: A sensor integrated into conveyor systems that operates without direct physical contact with the material or object being detected. Routine inspections are imperative to ensure precise sensing.

Non-Contact Switch: A safety switch within a conveyor system designed to activate without requiring physical contact. Regular checks are crucial to ascertain consistent responsiveness.

Non-Drive End: The termination point of the conveyor system where components lack direct connections to the drive unit. Periodic checks are essential to maintain stability and ensure proper alignment.

Non-Powered Roller: Rollers in a conveyor system devoid of a dedicated power source, relying on external forces for movement. Regular inspections are crucial to assess wear, alignment, and overall functionality.

Non-Resettable Counter: A counter within a conveyor system resistant to manual resetting, offering precise and tamper-proof tracking of specific events or quantities. Systematic monitoring is necessary for dependable data acquisition.

Nose Bar Transfer: A conveyor system design incorporating a nose bar to facilitate the seamless transfer of materials between conveyors. Periodic checks are requisite for ensuring proper alignment and efficient material transfer.

Nose Roller: A small roller employed on power belt curve conveyors to minimize gaps at transfer points. Regular inspections are indispensable to uphold effective functionality.

Noseover: A segment of the conveyor equipped with transition rollers to ensure a smooth transition from incline to horizontal or vice versa. Periodic inspections are necessary for sustaining proper functionality and optimal material flow.

Notched Belt: A conveyor belt featuring notches or cutouts to accommodate specific product shapes. Regular inspections are imperative to ascertain the integrity of the notched belt.

Nozzle: A device within a conveyor system that releases air or other substances for diverse purposes, such as cleaning or cooling. Regular checks are vital to guarantee optimal nozzle performance and prevent potential clogs.

NPT (National Pipe Thread) The US standard tapered pipe thread form, ANSI/ASME B1.20.1, used on threaded fittings and ports throughout conveyor pneumatics and lubrication lines. The taper is what makes the joint seal. NPT names a thread form covering many sizes, not a size in itself.

Null: A term denoting a state of no movement or a zero position within a conveyor system. Regular monitoring is essential to promptly identify unexpected null conditions.

Null Zone: A designated area within a conveyor system where the absence of products or materials is intended. Regular monitoring is crucial to preserve the integrity of the null zone.

Nylon Conveyor Belt: A conveyor belt crafted from nylon material, known for its robustness and durability. Periodic inspections are necessary to evaluate wear patterns and maintain overall condition.

Nylon Fabric: Fabric material derived from nylon fibers and utilized in various conveyor components, such as belts and covers. Regular checks are indispensable to uphold integrity and durability.

Nylon Rollers: Rollers within a conveyor system constructed from nylon material, acknowledged for their durability and resistance to wear. Regular inspections are essential to ensure proper alignment and confirm overall functionality.

Nylon Slider Bed: A conveyor bed design featuring a slider surface composed of nylon material. Frequent inspections are requisite to monitor wear patterns, assess alignment, and facilitate proper material flow.

Nylon Sprockets: Sprockets incorporated into a conveyor system, constructed from nylon material and often employed in chain-driven applications. Regular assessments are necessary to evaluate wear and confirm overall condition.

Nylon Wear Strip: A strip composed of nylon material, strategically employed to diminish friction and wear in specific areas of a conveyor system. Regular checks are essential to preserve effectiveness.

Nylon Webbing: Webbing material produced from nylon fibers, utilized in the construction of conveyor belts. Periodic inspections are crucial to assess condition, alignment, and wear.

Nylon-Covered Bearings: Bearings within a conveyor system shielded with a layer of nylon material to augment durability and reduce friction. Regular checks are requisite to monitor wear and evaluate overall condition.

Nylon-Reinforced Belt: A conveyor belt fortified with additional layers of nylon material for heightened strength and extended longevity. Regular inspections are essential to evaluate condition, alignment, and wear.

Nylon-Rubber Compound: A material compound integrated into conveyor components, combining the properties of nylon and rubber to enhance durability and flexibility. Regular checks are necessary to validate integrity.

Offset Side Frame: A deliberately misaligned side frame within a conveyor system, tailored to meet specific production demands. Routine checks are essential for preserving stability and precise alignment.

Oil-Resistant Belt A belt with a cover compounded, commonly with nitrile, to resist oil. Oil does not corrode belting: it penetrates and swells the rubber, softening the cover and weakening the carcass until the plies separate.

Oil-Resistant Roller: Rollers designed for a conveyor system to effectively withstand the adverse impacts of oil exposure. Periodic checks are imperative for assessing condition, alignment, and overall structural integrity.

Operational Status Indicator: An indicator integrated into a conveyor system, offering real-time information about its present operational state. Consistent monitoring is indispensable to ensure precision and continued functionality.

O-Ring: Circular bands strategically utilized to facilitate the transmission of drive power between spools and rollers on a conveyor. Periodic assessments for wear, alignment, and overall integrity are required.

O-Ring Drive: A drive system within a conveyor that harnesses O-ring belts for power transmission. Regular inspections are vital for evaluating the condition, tension, and alignment of O-ring belts.

Over-Temperature Sensor: A sensor in a conveyor system designed to detect and respond to elevated temperatures. Regular inspections and calibrations are necessary to maintain accuracy and functionality.

Over-Tensioning: The condition wherein a conveyor belt is excessively tensioned, leading to increased wear and reduced system efficiency. Regular assessments are required to prevent over-tensioning.

Over-Tightening: The condition wherein components in a conveyor system, such as bolts or fasteners, are excessively tightened. Regular checks are necessary to prevent over-tightening, which can lead to mechanical issues and system damage.

Overall Length (OAL): A term characterizing the span of a conveyor from one exterior pulley to the other, inclusive of belting or lagging, defining the conveyor’s lengthwise configuration.

Overhead Conveyor: A conveyor system strategically positioned above the working area, serving the purpose of material transport in an overhead arrangement. Periodic inspections are imperative to uphold safety standards and precise alignment.

Overhead Drive: A drive assembly mounted over the conveyor, providing crucial clearance and space for products in motion.

Overhead Guard: A robust protective structure installed above a conveyor system, effectively mitigating potential overhead hazards. Regular checks are mandated to guarantee ongoing stability and effectiveness.

Overhead Trolley Conveyor: A conveyor system employing overhead trolleys or carriers for the efficient transport of materials. Regular inspections are imperative to validate proper alignment and assess the functionality of trolleys.

Overload Protection: Safety mechanisms designed to avert potential damage to the conveyor system caused by excessive loads. Consistent checks are indispensable to validate precise functioning and calibration.

Overturning Moment The turning effect that tends to tip a conveyor structure — a lateral or eccentric force multiplied by its lever arm about the tipping edge. It is resisted by the restoring moment of the structure’s own weight and its anchorage.

Package Flow Conveyor: A conveyor system installed within racking, featuring either a wheel bed or roller configuration.

Package Stop: Various devices, whether manual or mechanical, utilized to halt movement on a conveyor.

Pallet Conveyor: A specialized conveyor system engineered for transporting palletized goods, necessitating regular inspections to ensure alignment, load capacity, and overall functionality.

Pallet Flow Conveyor: A conveyor specifically designed for the smooth movement of pallets, containers, and heavy loads, typically within a rack structure.

Parallel Roller Conveyor: A type of conveyor system characterized by multiple rollers aligned parallel to each other, requiring regular checks for roller health, alignment, and efficient material flow.

Parts Accumulator: A component in a conveyor system that temporarily holds and accumulates products or materials, necessitating periodic inspections for proper functioning and capacity management.

Parts Conveyor: The conveyor system used to catch and gather smaller parts and debris away from the production areas in a warehouse.

Passive Roller A roller that is not driven and turns freely under the load it carries, as in a gravity conveyor or as an idler supporting a belt.

Photo Eye: A sensor designed to identify the presence of a load within a conveyor system.

Photoelectric Sensor: A sensor in a conveyor system that uses light beams for material detection, demanding regular inspections for accurate sensing and preventing false readings.

Pitch: The distance between the center points of adjacent components in a conveyor system, necessitating periodic assessments to maintain proper pitch dimensions for optimal system performance.

Pivot Plate: The gusset that attaches the conveyor to the support leg.

Plastisol Coating: Polyvinyl chloride (PVC) covering for roller tubes to prevent product damage or marking. Usually #70 durometer green or #90 durometer red in color.

PLC: Programmable logic controller used to automate conveyors and program a sequence or operation of single or multiple conveyors.

Plow: A mechanism strategically positioned across the conveyor path at the appropriate angle to discharge or divert objects.

Plugged Chute Switch: A safety device integrated into a conveyor system to identify and address material blockages in chutes, necessitating routine inspections for proper functionality and system safety.

Pneumatic Conveyor: A conveyor system employing air pressure for material transport, requiring regular assessments of pneumatic system integrity, pressure levels, and overall efficiency.

Pneumatic Cylinder: A component of a conveyor system utilizing compressed air for generating linear motion, calling for periodic inspections to check for leaks, pressure levels, and overall cylinder performance.

Poly-Tier Support: Adjustable support structures designed to accommodate the load and weight of multi-tiered conveyor systems.

Polymer Conveyor Chain: A conveyor chain crafted from polymer materials, delivering advantages such as corrosion resistance and reduced noise. Regular evaluations are essential to monitor wear, tension, and overall chain integrity.

Pop-Out Roller: A roller typically positioned at the ends of a belt conveyor, aiding in transfer, and set in a broad groove to eject if an object intervenes between it and the belt.

Portable Conveyor: Any type of conveyance that is mobile, usually featuring supports that provide mobility.

Portable Support: Support mechanisms for portable conveyors, equipped with castors and wheels to facilitate easy movement.

Position Sensor: A sensor in a conveyor system that detects the position of materials, demanding regular inspections for accurate sensing and responsiveness.

Positive Crowned Pulley: A pulley designed with an upward curve at both ends converging toward the center of a conveyor, aiding in the proper alignment and tracking of the conveyor belt.

Power Belt Curve: A curve conveyor guided by tapered pulleys that use a belt.

Power Conveyor: A conveyor system that requires power to operate and move packages.

Power Turn Conveyor: A conveyor system with a curved section that allows materials to change direction, necessitating periodic checks for alignment, belt condition, and overall functionality.

Powered Feeder: The mechanized section of a conveyor system responsible for transferring products from a horizontal orientation to an inclined position through powered movement.

Powered Roller Conveyor: A roller conveyor whose rollers are driven rather than gravity-fed. Drive arrangements include line shaft, belt-driven live roller, chain-driven live roller, and motorized driven roller (MDR), in which each zone carries its own motor.

Precision Alignment Setting conveyor components to a stated tolerance against a reference line, laser or piano wire, rather than by eye, so pulleys, shafts and frames come in square within thousandths instead of approximately true.

Precision Bearings: High-quality bearings used in conveyor components for enhanced durability and reduced friction, necessitating regular checks for wear, alignment, and overall bearing condition.

Pressure Relief Valve: A safety device in a conveyor system that releases excess pressure to prevent system damage, demanding regular inspections and adjustments for proper functioning.

Pressure Roller: A specialized roller employed to maintain contact between the driving belt and the load-carrying rollers within a belt-driven live roller conveyor system.

Preventive Maintenance: Planned maintenance activities performed at scheduled intervals to prevent potential issues, extend conveyor system life, and ensure continuous reliability.

Product Footprint: The part of the product that touches any part of the conveyor, including wheels, belts, or rollers.

Proximity Sensor: A sensor in a conveyor system that detects the presence or absence of materials without physical contact, necessitating regular inspections for accurate sensing and responsiveness.

PTFE-Coated Conveyor Belt: A conveyor belt coated with polytetrafluoroethylene (PTFE) for enhanced non-stick properties and resistance to heat. Periodic inspections are necessary to assess wear and overall belt condition.

Pull Cord Switch: A safety device in a conveyor system that stops the conveyor when the pull cord is activated, demanding regular inspections for proper tension and responsiveness.

Pulley A cylindrical drum mounted on a shaft that guides, drives or tensions the conveyor belt. Its face may be plain, crowned, lagged or winged.

Pulley Lagging: The application of a layer of material to pulley surfaces to enhance grip and reduce slipping with the conveyor belt, necessitating regular inspections for maintenance and effectiveness.

Push-Button Station: An electrical mechanism that triggers and operates a magnetic starter.

Pusher: A device, normally air powered, that pushes product 90 degrees off one conveyor line onto another line, a chute or a takeaway station. The pushing element may be a flat plate, a paddle or an arm on the cylinder rod.

Pusher Sorter: A sorting device in a conveyor system that uses pushers to divert materials onto different paths, necessitating regular inspections for proper operation and alignment.

PVC Belt: A type of conveyor belt made from polyvinyl chloride (PVC) material, known for its versatility and resistance to wear. Periodic inspections are essential to assess wear and overall belt condition.

Pyramidal Hopper: A hopper in a conveyor system with a pyramidal shape, used for efficient material feeding. Regular inspections are necessary to prevent blockages and ensure proper material flow.

Quality Control: The process of ensuring that conveyor components and systems meet specified standards and criteria, demanding continuous monitoring and inspections to maintain quality performance.

Quick-Release Belt Fastener: A belt fastening system that allows for easy and rapid removal and replacement of conveyor belts. Regular checks are necessary to ensure the secure fastening and integrity of the conveyor belt.

Quick-Release Chain Link: A chain link design that enables swift and convenient removal and replacement of conveyor chains. Periodic inspections are essential to assess wear, alignment, and overall chain condition.

Quiet Conveyor A conveyor built to run at reduced noise using UHMW chain and wear strips, polymer- or urethane-covered rollers, sealed precision bearings, and belt rather than roller conveying.

Rail Car Unloading Conveyor: A conveyor system dedicated to the swift and efficient unloading of materials from rail cars. Regular inspections are essential to maintain peak performance and prevent challenges related to material flow.

Rail Splice: A methodical approach to connecting sections of conveyor track, particularly prevalent in overhead conveyor systems. Routine checks are vital to uphold the stability and structural integrity of rail splices.

Rail Support Bracket: A bracket crucial for supporting and securing conveyor rails, ensuring stability and precise alignment. Periodic inspections are imperative to sustain structural integrity and alignment.

Reclaimer Conveyor: A conveyor system specifically designed for the reclamation of bulk materials, commonly used in storage yards. Consistent checks are crucial to maintain efficiency and reliability.

Reducer A gearbox fitted between the motor and the drive pulley or sprocket. It lowers the motor’s output speed and raises torque in the same proportion.

Regenerative Brake: A braking system in a conveyor that recovers and utilizes energy during deceleration, enhancing overall efficiency. Ongoing checks are essential to maintain effectiveness and safety.

Remote Monitoring: A system allowing the monitoring and control of conveyor operations from a distant location, often through digital technology. Regular assessments are necessary to ensure connectivity, accuracy, and security.

Return Idler: An idler roller strategically positioned underneath the conveyor belt, dedicated to providing support to the return portion of the belt. Regular inspections are essential to validate alignment, rotation, and overall condition.

Reverse Action: An operational mode in a conveyor system where the direction of material flow is intentionally reversed. Regular inspections are imperative to guarantee the proper functionality and safety of components engaged in reverse action.

Reversible: Denoting a conveyor system designed to facilitate the movement of cartons and products in any direction.

Reversible Conveyor: A conveyor system engineered with the capability to alter the direction of material flow. Consistent checks are crucial to sustain overall functionality, alignment, and safety standards.

Rip Detection: A system devised to identify and promptly signal the presence of a rip or tear in the conveyor belt.

Roller: The mechanism attached to conveyor beds that moves products along, driven either by power or by gravity.

Roller Bed: The planar surface of the conveyor outfitted with an ensemble of wheels and rollers, forming a stage where products rest and travel, driven by either power or gravity.

Roller Bed Conveyor: A type of conveyor featuring rollers strategically positioned along the bed surface to offer support and seamless transportation of materials. Periodic inspections are necessary to evaluate roller condition and alignment.

Roller Center: A measure of the distance between the pivotal cores of two rollers on the conveyor bed, measured from axle center to axle center.

Roller Chain: A chain purposefully integrated into conveyor systems to transmit power between components. Regular scrutiny is indispensable to preserve tension, lubrication, and structural integrity.

Roller Conveyor: A conveyor configuration marked by the alignment of rollers across beds, carving a thoroughfare where cartons and products travel, driven by power or gravity.

Roller Diameter The outside diameter of the roller tube, measured across the circular face. Common conveyor sizes are 1.9 in., 2.5 in. and 3.5 in. Not to be confused with roller length, the end-to-end dimension.

Roller Frame: The architectural structure fashioned to cradle and shield conveyor rollers, providing a stable base for their operation. Consistent inspections support stability, alignment, and overall condition.

Roller Lacing: A method of joining the two ends of a conveyor belt with interlocking metal lacing held together by a connecting pin, forming a hinged splice. Because the pin can be withdrawn, the belt can be opened for removal or repair without being cut.

Roller Shaft: The central shaft of a conveyor roller, connecting it into the conveyor frame. Regular inspections support alignment, lubrication, and overall condition of roller shafts.

Roller Spacing: The interval between adjacent rollers in a conveyor system, which when properly set prevents material entanglements and misalignments. Ongoing checks maintain uniform spacing.

Roller Stand: The supports bearing the weight of gravity conveyor systems, providing stability and alignment. Routine inspections uphold the condition and alignment of these conveyor supports.

Roller Table: An arrangement of rollers on the conveyor where materials move along. Periodic checks assess the condition and alignment of the rollers, ensuring the seamless functionality of the conveyor table.

Roller Track: Pathways paved with rollers, guiding material movement within conveyor applications. Consistent checks maintain alignment, condition, and performance of the roller track.

Rotary Positioner: A device on the conveyor with the ability to rotate and position materials. Regular inspections ensure seamless functioning, alignment, and safety.

Rubber Belt: A conveyor belt crafted from rubber, known for its flexibility and durability. Periodic inspections assess wear, tension, and overall condition of rubber belts.

Run-In Period: The initial period where a new or rebuilt conveyor system adjusts and stabilizes in operation. Routine checks identify and rectify any issues that arise during this period.

Running Tension: The tension in a conveyor belt while it is in motion. Ongoing checks ensure running tension remains within specification, preventing slipping and unwarranted wear.

Runout: The deviation and wobbling of rotating components within the conveyor system. Regular measurements assess the alignment and balance of conveyor components.

Safety Pull Cord: An emergency stop device featuring a cord that, when pulled, triggers an immediate shutdown of the conveyor system. Regular inspections are essential to ensure proper installation, tension, and responsiveness.

Safety Switch: A switch integrated into a conveyor system to ensure safety by halting or controlling the operation when activated. Ongoing checks are essential to verify proper functioning, alignment, and responsiveness.

Sag The vertical deflection of the belt below a straight line drawn between two adjacent idlers, expressed as a percentage of idler spacing. It is normally held to 2–3 percent; beyond that the belt spills material and wear accelerates.

Scavenger Conveyor: A conveyor system designed for the removal of residual material or debris. Regular inspections are crucial to ensure efficiency and reliability.

Scissor Lift Conveyor: A conveyor equipped with a scissor lift mechanism for adjusting the height of the conveyor bed. Consistent checks are necessary to verify proper functioning, stability, and safety.

Scraper: A device or blade used to remove material residue from the surface of the conveyor belt, enhancing cleanliness and preventing carryback. Regular inspections assess scraper condition and maintain effective material removal.

Seal: A component or material used to close gaps and prevent material leakage in conveyor systems. Regular checks and replacements are essential to ensure effective sealing, preventing contamination and material loss.

Sealed Bearings: Bearings in a conveyor system equipped with protective seals to prevent contaminants from entering and ensure smooth operation. Routine inspections assess seal integrity and maintain optimal bearing performance.

Seamless Conveyance Loop: A conveyor belt devoid of splicing, necessitating regular examinations for wear, tracking, and overall condition to sustain uninterrupted and dependable operation.

Self-Aligning Conveyor: A conveyor system designed to automatically adjust and maintain proper alignment. Consistent maintenance is crucial to ensure ongoing effectiveness, preventing misalignment issues.

Self-Aligning Idler: An idler roller designed to automatically adjust and maintain proper alignment of the conveyor belt. Periodic checks ensure the effective self-aligning capability and prevent issues like uneven wear.

Self-Aligning Roller: A roller designed to automatically align and center the conveyor belt, preventing misalignment issues. Ongoing checks verify proper functioning and alignment.

Self-Cleaning Tail Pulley: A tail pulley designed to shed material buildup and prevent carryback. Regular inspections are necessary to ensure self-cleaning functionality and proper operation.

Sensor: A device in a conveyor system that detects and responds to specific conditions, such as material presence or temperature. Regular inspections ensure accurate sensing and prevent false readings.

Sequencing: The controlled order of operations in a conveyor system, ensuring proper coordination of different components. Regular checks maintain the sequencing logic and prevent issues like jams or misalignments.

Service Life: The expected lifespan of conveyor components or the entire conveyor system. Periodic assessments evaluate wear, fatigue, and other factors affecting service life.

Service Loop: A coiled arrangement of electrical cables designed to provide flexibility and movement without inducing damage. Regular examinations validate the integrity and operational effectiveness of service loops.

Set High: Vertical spacing that allows rollers to be attached above frame rails.

Set Low: Vertical spacing that allows the roller to be mounted below the top of the frame rails.

Shaft: A rotating rod or spindle integral for providing support and transmitting motion within conveyor components. Regular inspections evaluate the condition, alignment, and overall integrity of the shaft.

Shaft Alignment: The precise adjustment of conveyor shafts to ensure proper alignment and prevent issues such as increased wear or power transmission inefficiency. Regular checks and adjustments maintain shaft alignment.

Shaft Coupling: A device used to connect two shafts in a conveyor system, transmitting motion and torque. Ongoing inspections assess coupling condition, alignment, and overall functionality.

Shaft Diameter: The specific width of a conveyor shaft, tailored to the demands of its application. Consistent measurements appraise shaft diameter, guaranteeing compatibility with conveyor components.

Shaft Extension: The extended segment of a conveyor shaft projecting beyond its junction point. Regular assessments confirm the steadfastness, alignment, and soundness of shaft extensions.

Shaft Key: A securing device employed to fasten the link between a shaft and a conveyor component, averting slippage or misalignment. Regular inspections validate the condition of shaft keys.

Shaft Mount Reducer: A type of reducer directly mounted on a conveyor shaft to decrease speed and increase torque. Consistent checks verify proper functioning, lubrication, and alignment.

Shaft Seal: A seal used to protect conveyor components, such as bearings, from contaminants and prevent lubricant leakage. Ongoing checks verify the integrity and effectiveness of shaft seals.

Shaft Sleeve: A protective sleeve installed over a conveyor shaft to enhance durability and prevent wear. Regular inspections assess sleeve condition and ensure proper protection of the shaft.

Shaft Sprocket: A sprocket directly mounted on a conveyor shaft for power transmission. Periodic assessments evaluate sprocket condition, alignment, and overall integrity.

Shaft Type The classification of a conveyor shaft by construction and duty — solid or hollow, keyed or keyless, stub or through, drive or idler — which determines the torque it can carry and how components mount to it.

Shaft Vibration: The oscillating movement of a conveyor shaft extending beyond standard parameters. Continuous vigilance identifies and rectifies heightened shaft vibration, ensuring system stability.

Shafting: The comprehensive designation for all the shafts employed throughout a conveyor system. Periodic evaluations gauge the condition, alignment, and well-being of the entire shafting network.

Shear Pin: A pin designed to fracture under excessive loads, serving as a protective measure for conveyor components. Regular inspections verify the presence and structural integrity of shear pins.

Sheave: A grooved pulley wheel specifically crafted for transporting a V-belt. Consistent checks validate the stability, alignment, and efficacy of sheaves in facilitating smooth belt movement.

Sheet Metal Guard: A defensive enclosure fashioned from sheet metal, dedicated to shielding conveyor components from external influences. Systematic checks confirm the steadfastness, alignment, and efficacy of sheet metal guards.

Short Center Conveyor A conveyor with a short distance between its head and tail pulley centers, used for close transfers and in tight spaces.

Side Channels: Structural elements designed to bolster and uphold the rollers situated on the lateral sides of the conveyor. Periodic inspections ascertain the robustness and alignment of side channels.

Side Mount Drive: An integrated drive mechanism affixed to the lateral aspect of the conveyor, typically utilized where minimal elevations are a prerequisite. Consistent checks validate efficient operation, lubrication, and alignment.

Side Rail: A supportive framework flanking the conveyor’s sides, serving to direct and confine transported materials. Routine examinations sustain the structural integrity, alignment, and safety attributes of side rails.

Side Roller: A roller strategically positioned along the sides of the conveyor, dedicated to guiding and supporting the conveyor belt. Ongoing inspections authenticate the condition and alignment of side rollers.

Side Tables: Sturdy steel platforms affixed to either side of the conveyor bed, offering a working surface in close proximity to the conveyor. Regular checks ensure the stability, alignment, and effectiveness of side tables.

Slave Drive: A conveyor drive that takes its power from an adjacent conveyor rather than from a prime mover of its own, linking the two so they start, stop and run together.

Slider Bed Conveyor: A conveyor variant featuring a flat surface known as a slider bed, designed to support and transport diverse materials. Periodic examinations gauge the condition and alignment of the slider bed.

Slug Mode An accumulation-conveyor release mode that discharges the entire accumulated line at once as a single group, rather than releasing cartons one at a time. The opposite of singulation.

Snub Idler: Rollers strategically employed to augment the arc of contact between the conveyor belt and the drive pulley. These idlers enhance traction and minimize potential slippage.

Snub Pulley: A pulley designed to amplify the wrap angle of the conveyor belt, significantly enhancing traction and grip. Regular checks ascertain precise snub pulley alignment, mitigating the risk of belt slippage.

Soft Start: A mechanism ensuring a gradual acceleration of conveyor speed during the startup phase, mitigating stress and wear on components. Continuous monitoring preserves the efficacy of soft start systems.

Sortation Conveyor: A conveyor engineered to categorize and organize products based on predetermined destinations. Regular assessments maintain the precision and effectiveness of sortation conveyors.

Spare Parts Optimization: The strategic management of spare parts inventory through the CMMS to ensure that critical components are available when needed. Spare parts optimization involves balancing stock levels, reducing excess inventory, and minimizing costs while maintaining operational readiness.

Speed Reducer: A power transmission apparatus engineered to furnish controlled velocity to the driven equipment, ensuring it operates at a speed lower than that of the prime mover. Encased in a protective housing to safeguard lubricants and prevent the infiltration of extraneous elements.

Speed Sensor: A sensory component integrated into a conveyor system, tasked with precisely gauging the speed of the belt or other dynamic components. Regular calibrations uphold the accuracy of speed readings.

Spillage: The inadvertent release or escape of material from the conveyor, often triggering cleanup procedures and introducing potential hazards. Systematic inspections pinpoint and rectify factors contributing to spillage.

Splice: The juncture or linking point between two ends of a conveyor belt, necessitating routine inspections and repairs to fortify the structural integrity and resilience of the conveyor belt splices.

Splicing: The process of joining two extremities of a conveyor belt, demanding specialized splicing techniques and fastidious inspections. This approach ensures sturdy and dependable connections within the conveyor belt.

Spool Conveyor: A conveyor where spools orchestrate the motion of O-rings, propelling rollers to facilitate the movement of products along the conveyor route. Periodic assessments guarantee optimal functionality.

Spring-Loaded Axle: A roller conveyor axle featuring spring-loaded attributes, allowing the removal of rollers from the conveyor without comprehensive disassembly. Routine checks validate seamless operation.

Sprocket: A toothed wheel integrated into chain-driven conveyor systems, prompting the need for periodic evaluations to affirm its condition, precise alignment, and functionality within the system.

Spur: A segment within a conveyor system strategically designated for the diversion of unit loads to and from the mainline. Regular inspections guarantee peak performance and reliability of this spur section.

Stainless Steel Conveyor: A conveyor system fashioned from components of stainless steel, valued for its resistance to corrosion and durability. Stringent maintenance practices repel corrosion, uphold hygiene standards, and extend operational life.

Stand-Alone Conveyor: A self-sufficient conveyor system that functions independently without integration into a larger network. Regular checks uphold the autonomy and reliability of the stand-alone conveyor.

Standby Mode: An operational phase wherein a conveyor system temporarily remains inactive, poised to swiftly resume operation when the need arises. Routine checks guarantee the seamless transition between standby and active modes.

Start-Up Sequence: The preordained series of actions executed when initiating the conveyor system. Consistent checks and vigilant monitoring orchestrate a smooth and safe start-up sequence, averting issues like overload or misalignment.

Static Conductivity: The capacity of conveyor components to disperse static electricity and thwart the accumulation of static charges. Periodic assessments sustain optimal conductivity, preventing static-related challenges.

Strain Relief: A mechanical apparatus deployed to alleviate tension and forestall excessive stress on electrical cables within the conveyor system. Regular inspections ensure proper strain relief mechanisms are in place to avert cable damage.

Support: The arrangement of structural elements dedicated to preserving the elevation or alignment of conveyors. Supports may manifest as hangers, floor supports, or brackets, in both stationary and portable configurations.

Switch: Any device facilitating the connection of two or more adjacent package conveyor lines; often an electrical control device governing the flow of materials.

Tail End: The point of loading in any conveyor system where materials are introduced for transport.

Tail Pulley: A pulley system positioned at the tail end of a conveyor system, facilitating the return of the conveyor belt.

Take-Up: A mechanical structure designed to adjust the length of belts and chains, compensating for factors such as shrinkage, stretch, and wear, ensuring optimal tension.

Tangent: The straight segment following a curved conveyor, providing a transition between curved and straight sections.

Tapered Roller: A conical conveyor roller designed for curved sections, featuring end and intermediate diameters proportional to their distance from the curve’s center.

Temperature Control: The systematic monitoring and regulation of conveyor component temperatures, particularly crucial in environments with extreme temperatures that can impact overall performance.

Tensioning: The process of adjusting belt tension to maintain proper operation, preventing issues like slipping or excessive wear, and ensuring optimal conveyor performance.

Throughput: The measure of the flow of products or inventory processed through a warehouse conveyor system, reflecting its efficiency and productivity.

Torque: The rotational force within the drive components, including motors and gearboxes. Inspecting and sustaining torque supports efficient power transmission.

Total Load: The weight distributed across the entire length of the conveyor system, requiring management to ensure equilibrium and structural soundness.

Tracking: The operation of guiding the conveyor belt along a predetermined path.

Traffic Cop: A device positioned to intercept and prevent the undesired impact of cartons as they enter the conveyor.

Training Idlers: Idlers that ensure the centering of the conveyor belt through diligent oversight and adjustment.

Transfer Points: The junctures where materials transition between conveyor belts, inspected and cleaned to prevent spillage and guarantee an uninterrupted transfer.

Transition Zone The length of belt between the last fully troughed idler and the flat terminal pulley, where the belt changes from troughed to flat. Too short a transition overstresses the belt edges.

Transmission Chain A power-transmission chain, typically the roller chain running from the reducer to the head shaft, that carries drive torque — as distinct from a conveying chain, which carries the load.

Trash Conveyor: A conveyor system designed specifically to process and transport emptied boxes and waste material.

Tread Plates: Diamond-clad steel filler plates gracing the gaps between rollers on a roller conveyor, contributing both functionality and finish.

Tripod Support: A three-legged stand supporting small roller and skatewheel conveyors, easily moved and aligned to maintain the conveyor’s elevation.

Troubleshooting: The practice of identifying and resolving issues or malfunctions in the conveyor system, ensuring continuous operation.

Troughed Bed A belt conveyor bed shaped into a trough so the belt cradles the material and spills less. Used across bulk handling for aggregate, coal, ore, grain, wood chips and recyclables alike.

Troughed Belt Conveyor: A conveyor with a belt shaped into a trough, cradling and transporting materials.

Troughing Shaping the belt into a trough with troughing idlers so it holds more material and spills less. Trough angles are commonly 20, 35 or 45 degrees, with deep-trough sets running 45 to 60 degrees.

Turnbuckle: A mechanical device with screw-threaded ends that adjusts tension and structural alignment within the conveyor system.

Turning Wheel: The wheel mounted on an adjustable bracket, ensuring the proper orientation of packages on the conveyor.

Turntable: The rotating bed used for transferring packages from one conveyor system to another.

Two-Pulley Hitch: A transition section that moves products from horizontal positioning to incline.

U-Trough: A conveyor configuration resembling the shape of the letter U, commonly used for handling bulk materials. Routine checks ensure the structural integrity, alignment, and material flow efficiency of U-trough conveyors.

UHMW-PE (Ultra-High-Molecular-Weight Polyethylene): A durable and low-friction material used in conveyor components to reduce wear and enhance material flow. Periodic inspections are necessary to assess the condition and effectiveness of UHMW-PE components.

Under-Belt Clearance The clear space beneath the conveyor structure, to the floor or to the next obstruction, and on a belt conveyor the space between the carrying and return runs.

Under-Tensioning: The condition in which a conveyor belt is insufficiently tensioned, leading to sagging or inadequate support. Regular assessments prevent under-tensioning and ensure optimal belt tension for efficient material handling.

Underground Conveyor: A conveyor system positioned below the Earth’s surface, commonly utilized in mining or tunneling contexts. Regular maintenance upholds the dependability and safety of underground conveyors.

Underside Bed Cover: Metal sheeting employed to shield the lower side of a conveyor.

Underside Take-Up: A take-up segment situated beneath the bed of a belt conveyor.

Unload Area: The designated region in a conveyor system where materials are systematically removed or offloaded. Regular inspections ensure the efficiency of material unloading processes and prevent bottlenecks.

Unload Chute: A channel or passage designed for the controlled discharge of materials from the conveyor. Routine checks prevent blockages, ensure proper alignment, and maintain the integrity of the unload chute.

Unload Station: A designated area along the conveyor line where materials are unloaded or transferred. Periodic inspections maintain the functionality, safety, and efficiency of the unload station.

Upender: A conveyor accessory or system that rotates material from horizontal to vertical, or the reverse, for processing, inspection or palletizing. Also called an inverter or tipper. Regular inspection and lubrication keep the rotation smooth and the safety interlocks working.

Upstream: The direction opposite to the material flow within a conveyor system. Maintenance checks in the upstream section detect and address issues that might impede the smooth movement of materials downstream.

Urethane: A versatile material commonly used in conveyor components, known for its resilience, abrasion resistance, and chemical stability. Periodic assessments ensure the integrity and functionality of urethane-based parts.

Urethane Lagging: The application of a layer of urethane material to pulley surfaces to enhance grip and reduce slipping with the conveyor belt. Regular inspections maintain the effectiveness of urethane lagging.

V-Belt: A type of power transmission belt with a trapezoidal cross-section, commonly used in conveyor systems.

V-Guide: A feature on conveyor belts that provides tracking assistance by fitting into a V-shaped groove on the conveyor pulleys.

Variable Frequency Drive (VFD): An electronic device used to control the speed of motors in conveyor systems, optimizing energy efficiency and performance.

Vendor Relationship Management: The systematic coordination of interactions with external vendors and service providers within the CMMS. Vendor relationship management includes maintaining communication, tracking performance, and ensuring timely procurement of conveyor system components.

Ventilation: The process of ensuring proper airflow and cooling for conveyor components, preventing overheating and optimizing performance.

Vertical Curve: A curved section in a conveyor system that changes the conveyor’s elevation, requiring specialized maintenance considerations.

Vibration Analysis: The practice of monitoring and analyzing vibrations in conveyor components to detect potential issues and prevent equipment failure.

Visual Inspection: A routine check of conveyor components using visual cues to identify signs of wear, misalignment, or damage.

Vulcanization: The process of bonding or fusing rubber components, such as conveyor belts, using heat and pressure for repair or maintenance purposes.

Wear Strip: A protective component, often made of plastic or other materials, installed on conveyor surfaces to reduce friction and prevent wear.

Weighing System: A system incorporated within a conveyor designed to assess the weight of transported materials, commonly employed for purposes such as quality control or inventory management.

Welding Joining metal components by heating them to coalescence, with or without pressure. Arc, MIG and stick welding — the methods used on conveyor frames — apply heat alone; resistance and friction welding add pressure.

Wheel Conveyor: A type of conveyor system that uses wheels to transport materials, commonly used in gravity conveyor setups.

Wiper Blade: A device used to clean debris and material residue from the surface of conveyor belts, ensuring smooth operation and preventing contamination.

Wire Rope Conveyor Belt: A type of conveyor belt that utilizes wire ropes for reinforcement, providing strength and durability.

Work Order Automation: The utilization of the CMMS to automate the creation, assignment, and tracking of maintenance work orders for the conveyor system. This automation enhances communication, efficiency, and accountability in maintenance activities.

Work Platform: An elevated surface or structure built adjacent to a conveyor for maintenance personnel to access and perform inspections or repairs.

Workforce Management and Tracking: Utilizing the CMMS to manage and track the workforce involved in conveyor system maintenance. This includes assigning tasks, monitoring progress, and documenting the skills and certifications of maintenance personnel.

Wrap Angle The arc of a pulley’s circumference that the belt actually contacts, measured in degrees. A bare drive pulley gives about 180 degrees; adding a snub pulley raises it to 210–240 degrees for more traction.

X-Ray Inspection System: An inline detection system mounted over or around the conveyor that uses X-rays to identify foreign objects, voids, or fill-level defects inside sealed product without opening it. Regular calibration and shielding checks are required.

Yield Rate: The proportion of product that passes through the conveyor line and meets specification without rejection or rework, used as a measure of line performance and material handling quality.

Zero-Pressure Accumulating Conveyor: A conveyor system engineered to eradicate any pressure or force exerted between closely positioned products.

Zone Control: A feature in conveyor systems where different zones of the conveyor can be controlled independently, allowing for better energy efficiency and product handling.

Part of the eWorkOrders Learning Center

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