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Internal Taper Measuring Question

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  • #31
    Originally posted by Edwin Dirnbeck View Post
    I have been earning my living doing it this way for 60 years it is the fastest and easiest method that I have found


    Sent from my iPhone using Tapatalk
    Ok that's simple enough. Thanks.

    Would turning a steep stub taper, bluing it (or marker might be better) then putting it into the large end hole and twisting it to leave a mark so that the diam. at the mark could be measured with a caliper, be accurate enough for everyday jobs? I heard about this method but have not tried it.
    The shortest distance between two points is a circle of infinite diameter.

    Bluewater Model Engineering Society at https://sites.google.com/site/bluewatermes/

    Southwestern Ontario. Canada

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    • #32
      Originally posted by loose nut View Post
      Ok that's simple enough. Thanks.

      Would turning a steep stub taper, bluing it (or marker might be better) then putting it into the large end hole and twisting it to leave a mark so that the diam. at the mark could be measured with a caliper, be accurate enough for everyday jobs? I heard about this method but have not tried it.
      The taper would have to be dead sharp at the large end. If it's rounded or a burr around the hole it would move the apparent diameter down or up the stub you're measuring.
      .
      "People will occasionally stumble over the truth, but most of the time they will pick themselves up and carry on" : Winston Churchill

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      • #33
        Originally posted by TGTool View Post
        The taper would have to be dead sharp at the large end. If it's rounded or a burr around the hole it would move the apparent diameter down or up the stub you're measuring.
        Here is how I measured many taper I mean hundreds The Caliper projection should be undercut and the front of the Caliper should be dead sharp


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        • #34
          To damage my "expensive" Digimatic caliper or not to damage my "expensive" Digimatic caliper, that is the question. Worth thinking about.

          Alas poor yogurt I knew you well.
          The shortest distance between two points is a circle of infinite diameter.

          Bluewater Model Engineering Society at https://sites.google.com/site/bluewatermes/

          Southwestern Ontario. Canada

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          • #35
            Are you trying to set the compound or measure the taper? I read the answers and got lost.


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            • #36
              A better way to set the top slide for a taper AND how to measure the large end hole diam.
              The shortest distance between two points is a circle of infinite diameter.

              Bluewater Model Engineering Society at https://sites.google.com/site/bluewatermes/

              Southwestern Ontario. Canada

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