which wheels or rollers
are mounted.
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 which 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.
BESTWAYan order will be marked "bestway" if no
carrier is specified; Hytrol will pick the carrier.
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.
C FACE DRIVE: A motor and reducer combination
where the two units are flanged and are coupled for
connection to each other and have one out-put shaft.
CAPACITY: The number of pieces, volume, or weight
of material that can be handled by a conveyor in a unit
of time when operating at a given speed.
CASTERS: Wheels mounted in a fork (either rigid or
swivel) used to support and make conveyors portable.
CEILING HANGERS: Lengths of steel rod, attached to
the ceiling, from which conveyors may be supported to
provide maximum utilization of floor space or when
required height exceeds floor support capability.
CENTER DRIVE:
A drive assembly mounted
underneath normally near the center of the conveyor,
but may be placed anywhere in the conveyor length.
Normally used in reversing or incline application.
CHAIN: A series of links pivotally joined together to
form a medium for conveying or transmitting motion
or power.
CHAIN CONVEYOR: Any type of conveyor in which
one or more chains act as the conveying element.
CHAIN DRIVE:
A power transmission device
employing a drive chain and sprockets.
CHAIN GUARD: A covering or protection for drive or
conveyor chains for safety purposes.
CHAIN ROLLER CONVEYOR: A conveyor in which the
tread rollers have attached sprockets which are driven
by a chain.
CHUTE: A trough through which objects are lowered
by gravity. Can either be a slider bed or roller/wheel
bed. 3
DIFFERENTIAL CURVE: A curved section of roller
conveyor having a conveying surface of two or more
concentric rows of rollers. Also referred to as a Split
Roller Design.
DISCHARGE END: Location at which objects are
removed form the conveyor.
DIVERGING: A section of roller or wheel conveying
which makes a connection for diverting articles from a
main line to a branch.
DRIVE: An assembly of the necessary structural,
mechanical and electrical parts which provide the
motive power for a conveyor. Usually consisting of
motor/reducer, chain, sprockets, guards, mounting
base and hardware.
DRIVE PULLEY: A pulley mounted on the drive shaft
that transmits power to the belt with which it is in
contact. Pulley is normally positive crowned and
lagged.
DUTCHMAN: A short section of belt, provided with
lacing, in a conveyor belt which can be removed when
take-up provision has been exceeded.
EMERGENCY PULL CORD: Vinyl coated cord that runs
along the side of the conveyor that can be pulled at
any time to stop the conveyor. Used with an
Emergency Stop Switch.
EMERGENCY STOP SWITCH: Electrical device used to
stop the conveyor in an emergency. Used with an
Emergency Pull Cord.
EXTENDIBLE CONVEYOR: Roller or wheel conveyor
that may be lengthened or shortened within limits to
suit operating needs. Standard extended lengths are
20 ft., 30 ft., and 40 ft.
EZLogic
TM
: Electronic Zero Pressure Logic-See Hytrols
EZLogic
TM
Components Manual.
FEEDER: A conveyor adapted to control the rate of
delivery of packages or objects.
FLAPPER GATE: A hinged or pivoted plate used for
selectively directing material handled.
FLAT FACE PULLEY: A pulley on which the face is a
straight cylindrical drum, i.e. uncrowned.
FLOOR SUPPORTS: Supporting members with
vertical adjustments for leveling the conveyor.
FLOW: The direction of travel of the product on the
conveyor.
CLEAT: An attachment fastened to the conveying
surface to act as a pusher, support, check or trip, etc. to
help propel material, parts or packages along the
normal path of conveyor travel.
CLEATED BELT: A belt having raised sections spaced
uniformly to stabilize flow of material on belts
operating on inclines. Cleats may be a part of the belt
or fastened on.
CLIPPER LACING: Lacing attached to the belt with a
clipper lacing machine.
CLUTCH DRIVE: Drive used to disengage motor from
reducer without stopping the motor or cutting the
power.
CLUTCH-BRAKE DRIVE: Drive used to disengage
motor from reducer and stop conveyor immediately
without stopping the motor or cutting the power.
COD: cash on delivery
CONSTANT SPEED DRIVE: A drive with no provisions
for variable speed or a drive with the characteristics
necessary to maintain a constant speed.
CONVERGING: A section of roller or wheel conveyor
where two conveyors meet and merge into one
conveyor.
CONVEYING SURFACE: Normal working surface of
the conveyor.
CPU: customer pick up
CROSS BRACING: Rods and turnbuckles placed
diagonally across roller bed or live roller type
conveyors to aid in squaring frames, necessary for
tracking purposes.
CROSSOVER: A short section of conveyor placed in a
conveyor when drive is switched to opposite side of
conveyor.
CROWNED PULLEY: A pulley which tapers equally
from both ends toward the center, the diameter being
the greatest at the center.
CURVE CONVEYOR: Any skatewheel, roller, or belt
conveyor which is produced with a degree of bend so
as to convey products away from the straight flow.
DECLINE CONVEYOR: A conveyor transporting down
a slope.
DEGREE OF INCLINE: Angle of slope (in degrees) that
a conveyor is installed. 4
KNEE BRACES: A structural brace at an angular
position to another structural component for the
purpose of providing vertical support.
KNURL THUMB ADJ. NUT: A nut used on
accumulating conveyors to adjust the pressure
required to drive the product, may be turned without
the use of tools.
LACING: Means used to attach the ends of a belt
segment together.
LAGGED PULLEY: A pulley having the surface of its
face crowned with a material to provide for greater
friction with the belt.
LIMIT SWITCH: Electrical device used to sense product
location.
LIVE ROLLER CONVEYOR: A series of rollers over
which objects are moved by the application of power
to all or some of the rollers. The power transmitting
medium is usually belting or chain.
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 which
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. (138-
ACC - 190-ACC)
MOTOR: A machine which 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.
FOB: freight moves collect; customer pays the freight
bill.
FPM: Feet per minute.
FRAME: The structure which supports the
machinery components of a conveyor.
FRAME SPACER: Cross members to maintain frame
rail spacing. Also referred to as Bed Spacer.
GATE: A section of conveyor equipped with a hinge
mechanism to provide an opening for a walkway, etc.
(Manual or Spring Loaded)
GRAVITY BRACKET: Brackets designed to permit
gravity conveyors to be attached to the ends of a
powered conveyor.
GRAVITY CONVEYOR: Roller or wheel conveyor over
which objects are advanced manually by gravity.
GUARD RAIL: Members paralleling the path of a
conveyor and limiting the objects or carriers to
movement in a defined path.
HH: