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Thread: Hole cutter

  1. #1
    olderdan's Avatar
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    Hole cutter

    After watching Vyacheslav Nevolyas post I remembered a heavy duty trepanning hole cutter that I made some years ago.
    Its main feature is a full length flat machined on the radius bar and when set and clamped by the top nut is totally rigid. Cuts holes from .75 to 4 inches but the limitation is how low the speed of your machine will go.

    Hole cutter-imgp0329.jpg
    Hole cutter-imgp0330.jpg

  2. The Following 6 Users Say Thank You to olderdan For This Useful Post:

    Metalsmith (02-03-2018), Paul Jones (03-05-2017), rossbotics (03-04-2017), tonyfoale (03-01-2017), Toolmaker51 (03-01-2017), Vyacheslav.Nevolya (03-02-2017)

  3. #2
    [email protected] tonyfoale's Avatar
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    I like the clamping method.

  4. The Following User Says Thank You to tonyfoale For This Useful Post:

    olderdan (03-02-2017)

  5. #3
    Toolmaker51's Avatar
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    Quote Originally Posted by olderdan View Post
    After watching Vyacheslav Nevolyas post I remembered a heavy duty trepanning hole cutter that I made some years ago.
    Its main feature is a full length flat machined on the radius bar and when set and clamped by the top nut is totally rigid. Cuts holes from .75 to 4 inches but the limitation is how low the speed of your machine will go.
    I like the clamping as well. With the stem in a vee block, center is easily determined for an accurate offset/ cutting diameter. The sliding clamp arrangement should distribute sufficient pressure to hold while a setting is adjusted.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  6. The Following User Says Thank You to Toolmaker51 For This Useful Post:

    olderdan (03-02-2017)

  7. #4
    Content Editor DIYer's Avatar
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    Thanks olderdan! We've added your Hole Cutter to our Metalworking category,
    as well as to your builder page: olderdan's Homemade Tools. Your receipt:




  8. The Following User Says Thank You to DIYer For This Useful Post:

    olderdan (03-02-2017)

  9. #5
    Vyacheslav Nevolya Vyacheslav.Nevolya's Avatar
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    Very nice

  10. The Following User Says Thank You to Vyacheslav.Nevolya For This Useful Post:

    olderdan (03-02-2017)

  11. #6
    rossbotics rossbotics's Avatar
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    I like the clamping idea, good job


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