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  • gear

    Plastic gear is one of the gears, which is made of plastic. Plastic gears include: spur gear, helical gear, worm gear, crown gear, bevel gear, planetary gear, gearbox, damping gear, involute gear, cyc

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  • Worm gear

    The worm gear looks like a helical cylindrical gear. During operation, the worm gear teeth slide and roll along the helical surface of the worm. In order to improve the contact condition of gear teeth

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  • worm

    Worm refers to a gear with one or several helical teeth and meshed with the worm gear to form a staggered shaft gear pair. The graduation surface can be a cylindrical surface, a conical surface or a t

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