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Round belt


The round belt is a widely-used method of torque transmission in conveyors. It is characterised by simple handling during installation and low costs. The disadvantage of these belts is their poor power transmission and relatively short operational lifespan.

There are two available versions of roller-to-roller round belts:
  • Roller-to-roller
  • With driveshaft

Tangential drive

The conveyor rollers do not need drive elements when used on straight conveyors. The round belt then runs on the smooth tube. Gravity makes the conveyor rollers lie on the belt, which displaces them in a rotational movement.
The power transmission is relatively poor. A tensioning element must be provided at the motor station.
Thanks to their symmetrical cross-section, round belts are also ideal as a drive for curves. Then return rollers have to be fitted, which reliably link and return the round belt to all of the conveyor rollers.

Roller-to-roller drive

This is one of the most common uses of round belts. One round belt always connects two conveyor rollers. It usually runs in round grooves in the roller. Installation is simple and requires no additional tools. When installing a conveyor, it its essential to ensure that the material to be transported always has direct contact with a drive roller, e. g. a RollerDrive.

Round Belt

Roller-to-roller drive with driveshaft

This is also a very common use of round belts. In this case, the entire conveyor is moved by a driveshaft running at right angles underneath the conveyor track. Special wheels are fitted on the drive shaft. The wheels drive all of the conveyor rollers with round belts, which are turned at 90°. Every conveyor roller generally only has one round groove. The wheels can either be fixed or sit loosely on the driveshaft.
A loose connection produces a low pressure accumulation conveyor. It must be ensured that the round belt never slips through as this could significantly shorten its service lie. For this reason the wheels should not be fixed to a driveshaft on an accumulation conveyor.
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