Aramids for low Weight and low Rolling Resistance of Conveyor Belts

Conveyor Belt Technology

Aramids for low Weight and low Rolling Resistance of Conveyor Belts

The heavier a conveyor belt is the more energy is needed to drive it. At the same strength, aramid fibers are 5 times lighter than steel and 3 times lighter than polyester. An aramid reinforced conveyor belt is much lighter than a steel belt, so a reduction in energy consumption of around 10 percent can be achieved.
(ed. WoMaMarcel - 29/7/2013)
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Twaron aramid yarn can easily replace steel as belt reinforcement. References are available on long haul belts that are in successful operation since many years. Over half of a conveyor belt’s driving energy is lost in indentation rolling resistance of the belt. This is due to the hysteresis of a rubber belt passing over its support rollers. Sulfron is a new Twaron-based rubber ingredient that lowers the hysteresis. Data are available on reduced tan δ (loss factor of energy in hysteresis) in several applications and a reduction in belt driving power of 15 per cent is expected. First tests on belts are in progress. Thus due to its low weight, Twaron aramid as belt reinforcement reduces weight and hence the energy to drive the belt. Sulfron reduces hysteresis in belt rubbers and has the potential to reduce indentation rolling resistance considerably.
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