Quote:
Originally Posted by theodog
My confidence is growing with each worm I cut, and I have finally stopped breaking the threading tool (1.27mm) is painfull to regrind.  |
It's a pain when that happens. bang-crunch-crunch
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I've seen an example of where a bloke made the hob and worm on the same shaft in the same setting, so that they were identical form. Then hardened the hob end and cut the wormwheel. Finally he cut off the hob end to leave the worm ready for lapping. I hope that makes sence.