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Worm gears are used when large gear reductions are needed. It is common for worm gears to have reductions of 20:1, and even up to 300:1 or greater. The worm can easily turn the gear, but the gear cannot turn the worm. This is because the angle on the worm is so shallow that when the gear tries to spin it, the friction between the gear and the worm holds the worm in place.
Application:
● Auto parts: transmission gearbox.
● Differential assemble sets
● Truck,Tractor,loader and engineer machinery.
● Different machines: Package machinery, wooden machinery, medcial machinery.
● All device which can relate with transmission.
