Glossary of Terms
RACK: As in a curve, to bend the frame racks down in
order that the discharge elevation is lower than the infeed elevation.
RECEIVING END: The end of a conveyor from which the products move
toward you.
RETURN IDLER:
A roller that supports the return run of the belt.
REVERSIBLE:
A conveyor that is designed to move product in either direction.
ROLLER:
A round part free to revolve about its outer surface. The face may be
straight, tapered or crowned. Rollers may also serve as the rolling
support for the load being conveyed.
ROLLER BED:
A series of rollers used to support a conveying medium.
ROLLER CENTERS:
The distance measured along the carrying run of a conveyor from the
center of one roller to the center of the next roller.
ROLLER CONVEYOR:
A series of rollers supported in a frame over which objects are advanced
manually, by gravity or by power.
SET HIGH:
Vertical spacing that allows the rollers to be mounted above the frame
rails.
SET LOW:
Vertical spacing that allows the roller to be mounted below the top of
the frame rails.
SHAFT:
A bar usually of steel, to support rotating parts or to transmit power
SHEAVE:
A grooved pulley wheel for carrying a v-belt.
SIDE CHANNELS:
Members that support the rollers on the side of the conveyor.
SIDE MOUNTED DRIVE:
A drive assembly mounted to the side of the conveyor, normally used when
minimum elevations are required.
SIDE TABLES:
Steel tables attached to either side of conveyor bed to provide working
surface close to conveyor.
SINGULATION MODE:
Mode where packages are automatically separated while traveling down the
conveyor.
SKATEWHEEL CONVEYOR:
A type of wheel conveyor making use of series of skatewheels mounted on
common shafts or axles, or mounted on parallel spaced bars on individual
axles.
SLAT CONVEYOR:
A conveyor that uses steel or wooden slats mounted on roller chain to
transport the product.
SLAVE DRIVE:
A conveyor drive powered from another conveyor instead of having its own
prime power source.
SLIDER BED:
A stationary surface on which the carrying run of a belt conveyor
slides.
SLUG MODE:
Allows all packages to be released simultaneously.
SNUB IDLER:
Any rollers used to increase the arc of contact between a belt and drive
pulley.
SORTATION CONVEYOR:
A conveyor that is able to sort different packages or products to
specific take-away lines. (SC, ProSort)
SPEED REDUCER:
A power transmission mechanism designed to provide a speed for the
driven equipment less than that of the prime mover. They are generally
totally enclosed to retain lubricant and prevent the entry of foreign
material.
SPOOL CONVEYOR:
A conveyor where power to the rollers is accomplished by o-rings driven
by spools on a rotating shaft. (138-SP, 190-SP, 25l4-SP)
SPUR:
A conveyor section to switch unit loads to and from the mainline.
SUPPORT:
Arrangement of members used to maintain the elevation or alignment of
the conveyors. Supports can take the form of hangers, floor supports, or
brackets and can be either stationary or portable.
SWITCH:
(1) Any device for connecting two or more contiguous package conveyor
lines; (2) An electrical control device.
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