Glossary of Terms
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.
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