At present, all gear hobs are Archimedes, and the basic worm is Archimedes worm. This kind of hob is similar to involute hob, so the theoretical error value of approximate modeling is very small and can be ignored. Because Archimedes hob is easier to manufacture than involute hob, stock...

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In pitchgear machining, full cut hob is often used. Although the cutting amount of hob increases, the cutting force will not increase much and vibration will not be generated due to the small teeth. This method can make the top gear and the ring gear develop at the same...

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