A worm reduction gear, also known as a worm gear, is a type of gear system that consists of a worm (a type of screw) and a worm wheel (a gear with teeth). It is primarily used to transmit rotational motion between two non-parallel shafts while providing a significant reduction in speed and an increase in torque. The worm gear system works by the worm, which is a threaded shaft, engaging with the teeth of the worm wheel. The worm typically has a single-start thread, meaning it completes one full

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