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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Threading on a South Bend 9A
Hey all,
I'm looking for someone who can help me troubleshoot a South Bend 9A. I have read the "How to operate a South Bend lathe" book, but doesn't have the specific info I'm looking for. When I set the gears to cut a 20 tpi thread it is real slow and looks to be cutting something like 40 or 60 tpi. I made sure the 20 tooth stud gear was on there, it is, and that's all the farther I can get with the book. I was thinking someone at some point switched a gear somewhere, but I don't even know where to start. BTW, it's the same with all the settings, they all move the carriage too slow. Even at the 4 tpi setting it cuts a smidge slower than 20 tpi. Thanks, Eide |
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