![]() ![]() No excuses now, the threads came out perfect. With any luck at all, this information will be helpful to someone. 001inch accumulative error over 10 threads, Outstanding! And to think that I have only been using Atlas lathes since my first job, some 44 years ago. I re geared the lathe and checked the pitch. On the last page of the threading chapter it stated that, while the lathe would not cut true Metric threads with the supplied gear set, it would come damn close and it even had a chart for the close counts, wanabee, Metric threads. Haunted by my dilemma, I did the unthinkable, I looked at the manual. As I said, I had looked through the gear set and definitely no transposing gears. I have heard for years that the Atlas will do metric, but of course any lathe can do metric with the correct gearing. Atlas lathe 3, a nice little 6 x 18, is the only one that came with a full factory gear set and a Manual. The problem is that I don’t have the transposing gear set that is needed for Metric pitches for any of them. While my primary lathe is an elegant old gal, a 14.5 inch Monarch, along the way I have managed to pick up and a hand full of Atlas lathes. I have a few projects on hold because I need to single point some 16 x 1.5 MM threads. ![]()
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