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TERM/ACRONYM
DEFINITION
A sensor able to detect the presence of nearby objects without any physical
Prox Sensor
contact.
Mechanical device used to change the direction of the belt in a conveyor
Pulley
system, to drive and/or tension the belt.
A reflective component needed for retroreflective photoeyes to receive
Reflector
transmitted light or radiation when no object is in front of the photoeye.
Of or relating to a surface or device that reflects light or other radiation back to
Retroreflective
its source.
Return Idlers
Belt-routing rollers on the underside of any given AC conveyor.
RLCAC
Roller Live Curve AC
RLSAC
Roller Live Spur AC
Powered or unpowered cylindrically-shaped material handling component
Roller
used for mechanical power transmission, a conveying surface, and/or support
for a belted conveying surface.
Event in which surfaces of adjacent cartons, cases, or totes are forced to lift
Shingling
off the conveyor due to elevated uneven carton, case, or tote back pressure.
Structural member used to support rotating components needed for conveyor
Side Frame
beds.
Singulation
The active separation of cartons, cases, or totes.
Small unpowered wheels used to replicate nearly frictionless guidance or
Skatewheel
support of conveyable cartons, cases, or totes.
A format of conveyor where one end of all rollers are shifted to provide an
Skew
angled conveying surface for left or right justification of cartons, cases, or
totes.
Stock Keeping Unit; Product and service identification code for a product (i.e.
SKU
bar code).
Slug Release
See Train Release.
A roller or pulley mounted to increase the arc of contact between a belt and
Snub Roller
drive pulley. Additionally, this can be used to change the direction of the return
belt travel.
A five-component assembly-consisting of a plate (or formed plate), two bolts,
and two nuts-that is used to secure a piece of guide rail to an adjacent piece
Splice Assembly
of guide rail, or a side frame to an adjacent side frame. This is used to provide
additional structural rigidity and ensure relative position of components is
maintained.
A format of DC conveyor used to create linear transitions into intersecting
Spur
lines of conveyor positioned at a non-perpendicular angle. Typically includes
30deg and 22deg configurations.
Tail Pulley
A non-driven pulley located at the tail end of the conveyor.
Pulley with an adjustable position used to eliminate unnecessary slack in a
Takeup Pulley
belt.
Takeup Screws
Adjustment screw used to adjust the position of a takeup pulley.
Top of roller; this refers to the elevation of the conveying surface with respect
TOR
to the floor on which the conveyor is sitting.
To adjust the position of conveyor components in such a way that engourages
Track
proper belt alignment on a system.
Thin plastic bands installed on head or secondary drive roller to help keep DC
Tracking Bands
format conveyor belts tracked.
Published November 2021
Installation and Maintenance Manual: RZPAC
Rev. B
5
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