Hobbing - Gears & Pinions

Hobbing manufacturing is a special form of tooling and manufacturing that cuts tooth type geometries. It is the major industrial process for cutting (as opposed to grinding) spur gears of involute form. It forms the gear by rotating the gear blank on a spindle and the cutter on a different spindle at the same time. The cutter is similar to a worm gear, except that it has gashes to form a cutting edge. The hob will make a single revolution for each tooth if it has a single pitch. KEYWORDS for this process: pinion, pinions

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