Glossary of Terms

A-B | C | D-F | G-L | M-O | P | R-S | T-Z

MACHINE CROWNED PULLEY: A pulley in which the crown or vertex has been produced by an automatic, usually computer driven, machine.

MAGNETIC STARTER: An electrical device that controls the motor and also provide overload protection to the motor.

MANUAL START SWITCH: A simple one-direction switch used to turn the conveyor on or off.

MINIMUM PRESSURE ACCUMULATING CONVEYOR: A type of conveyor designed to minimize build-up of pressure between adjacent packages or cartons. (l38-ACC - 19O-ACC)

MOTOR: A machine that transforms electric energy into mechanical energy. Standard motors are dual voltage and operate at 1725 RPM.

NEGATIVE CROWNED PULLEY: A pulley with raised areas set equally in from each end. This crown is used on tail pulleys 24 in. OAW and wider, and aids in belt tracking.

NET LIFT: The net vertical distance through which material is moved against gravity by a conveyor.

NIP POINT GUARD: A guard placed to eliminate points or areas on the conveyor where injuries might occur.

NOSE ROLLER: A small roller, used on power belt curve conveyors, to reduce the gap at the transfer points.

NOSEOVER: A section of conveyor with transition rollers placed in conveyor to provide transition from incline to horizontal or horizontal to incline.

0-RING: Polyurethane bands polyurethane used to transmit drive power from roller to roller or spool to roller. (138-SP, 190-SP)

OVERALL LENGTH: (OAL) The dimension outside of pulley to outside of pulley including belting or lagging, of any conveyor lengthwise.

OVERALL WIDTH: (OAW) The dimension outside to outside of frame rails.

OVERHEAD DRIVE: A drive assembly mounted over a conveyor, which allows clearance for the product.