Hm interesting.
I'd like to hear from someone who has done it as well.
If I were working on it and the material was thin enough. I would make two bolt like mandrels the larger the same pitch and the od of the smaller plus 2x thickness of the material, and chase the threads in.
If you have the engine lathe to cut the mandrel threads, it could also be used to chuck up the mandrel and chase the threads down with a roller "dull cutter".
Gene Olson
Sculptor
Elk River, MN
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Hm interesting. I'd like to
Hm interesting.
I'd like to hear from someone who has done it as well.
If I were working on it and the material was thin enough. I would make two bolt like mandrels the larger the same pitch and the od of the smaller plus 2x thickness of the material, and chase the threads in.
If you have the engine lathe to cut the mandrel threads, it could also be used to chuck up the mandrel and chase the threads down with a roller "dull cutter".
Gene Olson
Sculptor
Elk River, MN