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    American Lathe RPM fault in low gear only

    It is a Siemens/Vickers control system, Its an American Lathe that has been retrofitted to this control system. It has a two speed magnetic clutch, and yes, we were using the low gear when the slipping occurred, if that is what's happening. Is there any way to check if it is slipping other than...
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    American Lathe RPM fault in low gear only

    10/20 material, 1.25-7 threads however the load on the cut isnt the issue, it cuts just fine in high gear, and was also slowing down while not cutting anything when we did test runs in the low gear, as well as when it was actually threading material too.
  3. S

    American Lathe RPM fault in low gear only

    Hello all. Some background: Here at the shop, we have an American lathe that we are starting to experience some issues with. This machine was installed sometime in the 1940's, and has had a new motor installed as well as drive system within the last 20 years (DC). We have always been able to...
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