Ian W. Wright wrote: > One of the main reasons I want to try to generate gears and, > particularly, pinions is the great problem I have in trying to make > working pinion cutters small enough for the watches I work on. It just seems to me that if you have a CNC machine of any type, you should be able to cut a master tool for the form required. Then, that tool could cut the gear teeth directly, and reduce a 5 hour job to 15 minutes! Even if you only have a mill, you can mount a disc on the spindle and a lathe-type tool in the vise, and make a gear cutter by laboriously following the tooth profile. Then, you could cut radial slots to form the cutting teeth, harden it, and you'd have a pretty professional gear cutter for any tooth profile you need.
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