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Thread: Gear hobbing

Oct 30, 2017, 11:08 AM #5

Al8236

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A hob cuts gear teeth and has no helix, A tap will cut a worm wheel and has a helix. That is the short answer without getting into tooth shapes pressure angles and a whole lot of math, A hob cuts a straight spur gear and a tap cuts an angled concave gear that will run against a worm.

From the time you're born till' you ride in a hearse, there's nothing so bad it couldn't be worse!

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