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Roller conveyors can be unpowered, often referred to as gravity roller conveyors, or powered. They can range in length from one to hundreds or even thousands, of feet. Typical widths run from 6” or so to 6’ or more.
Roller conveyors consist of a series of rollers typically ranging in diameter from 1” to 3” with larger diameters for heavier loads. The rollers are mounted between 2 frames. Unpowered roller conveyors incorporate ball bearings in the rollers so that they will turn freely on their shafts.
There are several methods commonly used to drive powered rollers
Roller conveyors work best on larger packages such as cases, pails, drums, pallets. Smaller packages such as bottles will jostle as they move from roller to roller due to the uneven surface. The rule of thumb is that there must be at least 3 rollers at all times under the object being conveyed.
The three roller rule also applies, loosely, to objects having irregular running surfaces. The rollers must be set closely enough that protuberances, such as a slat on the bottom of a pallet, do not get caught between rollers.
Alba Conveyors, 52" Wide x 60" Long, powered pallet roller conveyor powered by a ¾ Hp motor. Equipped with 2½" diameter rollers on 3¼" centers and 16" to 20" high infeed / discharge.
OAD: 60"L x 64"W x 18"H
184" Long x 30" Wide stainless steel, fixed roller conveyor. Equipped with 1/3 hp motor with start / stop push button controls, 1/8" rods on 3/4" centers, discharge height of 32" and mounted on stainless steel base frame with 4 height adjustable legs.
OAD: 190" L x 48" W x 45" H
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