Glossary of Terms

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ACCUMULATING CONVEYOR: Any conveyor designed to allow collection (accumulation) of material. May be roller, live roller, belt or gravity conveyors.

ALLIGATOR LACING: Lacing attached to the belt with a hammer.

AXLE: A non-rotating shaft on which wheels or rollers are mounted.

BACK PRESSURE: The amount of force applied to a package to stop the package or collection of packages.

BAG FLATTENER: A mounting assembly used to hold one conveyor upside down over another conveyor in order to squeeze or flatten the product.

BALL TABLE: A group of ball transfers over which flat surface objects may be moved in any direction.

BALL TRANSFER: A device in which a larger ball is mounted and retained on a hemispherical face of small balls.

BARE PULLEY: A pulley that does not have the surface of its face covered (or lagged).

BEARING: A machine part in or on which a shaft, axle, pin or other part rotates.

BED: That part of a conveyor upon which the load rests or slides while being conveyed.

BED LENGTH: Length of bed sections only required to make up conveyor excluding pulleys, etc., that may be assembled at ends.

BED WIDTH: Refers to the overall width of the bed section.

BELT: A flexible band placed around two or more pulleys for the purpose of transmitting motion, power or materials from one point to another.

BELT SCRAPER: A blade or brush caused to bear against the moving conveyor belt for the purpose of removing material sticking to the conveyor belt.

BELT SPEED: The length of belt, which passes a fixed point within a given time. It is usually expressed in terms of 'feet per minute'.

BETWEEN RAIL WIDTH: (BR) referred to as the distance between the conveyor frame rails on a roller bed, live roller or gravity type conveyor. Also referred to as (BF) Between Frame.

BOOSTER CONVEYOR: Any type of powered conveyor used to regain elevation lost in gravity roller or wheel conveyor lines.

BRAKE MOTOR: A device usually mounted on a motor shaft between motor and reducer with means to engage automatically when the electric current is cut off or fails.

BRAKE ROLLERS: Air or mechanically operated brakes used underneath roller conveyor to slow down or stop packages being conveyed.

BUTT COUPLING: Angles or plates designed to join conveyor sections together.