Worm gear 3d model
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GrabCAD
Worm gear

Worm gear

by GrabCAD
Last crawled date: 2 years ago
Basically, a worm gear is a screw butted up against what looks like a standard spur gear with slightly angled and curved teeth. It changes the rotational movement by 90 degrees, and the plane of movement also changes due to the position of the worm on the worm wheel (or simply "the wheel").

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