mill spindle runout

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  • December 15, 2016 at 7:36 am #49885
    abalonajr
    Participant

      I just bought a grizzly g0781 mill/drill that I want to use for bushing clocks, the runout at the end of a KWM reamer held in by a 5/32 R8 collet is a little over a .001. Is this acceptable for bushing work?
      The runout at the spindle taper is a little over .0005. I chose this over the sherline because it has more capacity. I would like to hear some advice or opinions.
      Thanks to all,
      Tony

      December 17, 2016 at 8:27 am #64154
      Bob Tascione
      Moderator

        Hi Tony,
        My guess is you should be fine. Probably a good idea to test it out by drilling an undersized hole through a thin piece of scrap brass and then reaming it with your reamer to make sure you still have a press fit for your bushing.

        Enjoy and Happy Holidays!
        Bob

        December 17, 2016 at 6:22 pm #64155
        abalonajr
        Participant

          Thanks Bob, I am waiting for some end mill cutters I ordered to make some post clamps to hold the movement.
          Sorry about the picture, I guess I didn’t do it right, you can take it down if you like.
          I wish you a happy holidays too.
          Tony

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