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Fluter cutter for reamer.

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  • Fluter cutter for reamer.

    Hi everyone,

    I haven't been in for a while, but I could use your collective wisdom. I'm trying to make a reamer out of 17mm A-2 (6 flutes). My idea is to grind the flutes and then heat treat. If not grinding, then using a carbide bit for the first pass and grinding after heat treating.

    Does anyone know where I can get flute cutters (either shaped grinding stones or carbide)?

    Thanks,
    Erik

    p.s. The scary part actually comes up after I'm done with the 19mm one. I need a taper from 19mm to 17mm. I'm looking forward to broadening my abilities

  • #2
    Does it go without saying that I meant flute cutter I tried to change the name of the topic, but apparently you can't.

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    • #3
      I didn't know they made flute cutters--I've never looked. I've just shaped my own grinding wheels. I used a 4x1/4" pink wheel and put a 45* bevel on half of the back side. That's all I had at the time but it worked.

      You can grind the flutes then harden/temper. Grind your final OD and back rake after. I had to make a reamer for cam busings on an old (1912) engine. I remember it being an Odd-ball size to get .0015 clearance. I could have ordered one but would take too long. As usual, I need it NOW!

      Oh yea, I remember why I didn't order it. It had to be 26" long with a pilot and bearing on the back side.

      [This message has been edited by CCWKen (edited 02-19-2004).]

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