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Reamer sharpening

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  • Reamer sharpening

    How are reamers sharpened without ruining their original dimension?
    Len

  • #2
    I don't know how you could take metal off to sharpen it anywhere on the cutting faces that would not reduce the diameter is some way.

    Taking some off the face of the flute would reduce it less but would still reduce the diameter.
    It's only ink and paper

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    • #3
      Hand reamers or machine reamers?

      Machine reamers are reground just at the "nose". There's a 45° chamfer, that's the cutting part.
      Hand reamers do have that chamfer too, but are conical in the first quarter or so. You might have to regrind the flute in that part.


      Nick

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      • #4
        That's what I thought but I was reading something and it mentioned sharpening reamers and no way in hell I could envision doing that without ruining the original dimension.

        Figured I'd better ask though.

        The older I get the less I know.
        Len

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        • #5
          There are expansion reamers with a setscrew in the end for the purpose of expanding the reamer when resharpening.

          Some reamers are resharpenable. For example, chambering reamers used for firearm chambers are resharpenable as most incorporate a slight taper. This allows the cutting edge to be set back in the long dimension.
          Jim H.

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