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Recent content by dennis45

  1. dennis45

    worm gear

    So am I correct in stating that a worm gears torque output has nothing to do with the diameter of the bull gear?
  2. dennis45

    worm gear

    Please excuse my ignorance but I have a question regarding gears and torque. When using a gearbox with a 20:1 gear reduction do I get a 20:1 torque advantage. And if so, is this also the case with a 20:1 worm gear? It seems to me that the two would be different. Any input would be...
  3. dennis45

    Standard vs. Stub thread

    What is the advantage of using a stub Acme thread vs. a standard Acme thread? And what about a 60 degree stub thread? Right now I am driving/actuating a piston using a standard Acme and need to know if there would be a gain in mechanical advantage or a friction reduction using a different...
  4. dennis45

    Which thread has more friction.

    If I have a motor with a 1/2-10 acme thread that drives a lead screw and another motor with a 3/4-10 screw, which screw would cause the most friction/resistance for my motor? Would more thread surface area be good or bad in this case. Any help or insite would be greatly appreciated. Thanks
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