Timing Drive Belt Manufacturers

A timing drive belt is a transmission belt made from elastomers, having a flat outer surface with a number of teeth on the internal surface, widely used in internal combustion engines to control the valve timing. The belts are generally made from rubber with high tensile fibers, such as Kevlar or fiberglass, running through it. However, rubber's poor resistance to high temperatures has led to the development of timing belts made from highly saturated nitrile (HSN) that deliver significant resistance to high temperatures. Initially, the timing drive belts were designed with trapezoidal teeth, which suffered from high tooth wear rates. This has led to the development of curved teeth, which last longer and run quieter.

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