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Re: Bit Questions From Dummie

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  • Clive Foster
    The ordinary, unfilled grades of delrin are no great problem to machine. Technique is to use very sharp well polished tooling and not to run too fast.
    Message 1 of 15 , Apr 4, 2008
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      The ordinary, unfilled grades of delrin are no great problem to machine.
      Technique is to use very sharp well polished tooling and not to run
      too fast.
      Generates a long continuous stream of swarf leaving a nice finish.
      Get too ambitious on the speed though and the tool becomes toast very
      quickly.

      If milling with a small cutter ( 1/4 and under) it takes about a
      minute of overspeed before the cutter is so blunt that it breaks.
      At a sensible speed the cutter lasts for ages.
      Guess how I know. Yup. Got ambitious on a rush job.

      Clive
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