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Simple machine consisting of a fixed, grooved wheel, sometimes in a block, around which a rope or chain can be run. A simple pulley serves only to change the direction of the applied effort (as in a simple hoist for raising loads). The use of more than one pulley results in a mechanical advantage, so that a given effort can raise a heavier load.

Poly-V Pulley and Belt drives are ideal where you have space restrictions, high ratio or high torque drives. With only one belt, tensioning is easy and you do not have to worry about matching belts. They will also run quieter than timing pulley and chain drives and do not slip like standard V-Pulleys.

Teeth and Backing Teeth are molded integrally with the backing that protects the tensile members. Both are manufactured from premium quality, synthetic, neoprene rubber that provides exceptional resistance to heat, oil, ozone, and flex fatigue. Precise tooth formation and accurate spacing permit smooth, uniform transmission of power with resistance to tooth jump and shear.

Our worm gear sets cover a wide range of applications. We demonstrate our years of experience and high level of capacity by producing more than 1 million worm gear sets every year in-house, most of which are created according to custom specifications. Our catalog of worm gear sets in line with...

Worm gears are usually used when large speed reductions are needed. The reduction ratio is determined by the number of starts of the worm and number of teeth on the worm gear. But worm gears have sliding contact which is quiet but tends to produce heat and have relatively low transmission...

Typical Bronze Worm Gear Applications The high torque output of worm gears makes them suitable for heavily loaded machinery. Some of the most common applications for worm gears include: Movable bridge components The controlled and powerful motion of worm gears are ideal for inducing movements in...