Whats up with this cone?

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  • Whats up with this cone?

    I am measuring a simple chamfer in z+ as a cone and want the angle of the cone. Every time I dimension it come up 90 deg. I know this cant be true. It is more like 30. Does 4.0 do this differently?

  • #2
    ya'in the right work plane?
    RFS Means Really Fussy Stuff

    When all you have is a hammer - everything looks like a nail....
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    • #3
      My first guess would be it is a 45 degree chamfer which would be 90 degrees inclusive. To the best of my knowledge the only way to report the angle of a single side in pc-dmis is by using a variable and deviding the angle value pc-dmis reports by 2. If you need an example of how to do this, I think there is one in the code section, if not post again and I will come up with something. I just report the inclusive angles and put a document note in my report that it is the inclusive which is twice the print callout. HTH
      sigpic"Hated by Many, Loved by Few" _ A.B. - Stone brewery

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      • #4
        I'm guessing you could do a few constructed circles lines and points and then dimension the angle of a line to get the angle of one side of a cone. I think the variable way is going to be a little easier.

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        • #5
          I use 3 lines for chamfers. One of the face, one on the chamfer surface and one on the ID/OD. You can depth and angle. All measured square to each other.
          Xcel & MicroVal Pfx & Global 37mr4 thru 2012mr1sp3
          Contura Calypso 5.4

          Lord, keep Your arm around my shoulder and Your hand over my mouth. Amen.

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          • #6
            Originally posted by dwade View Post
            I use 3 lines for chamfers. One of the face, one on the chamfer surface and one on the ID/OD. You can depth and angle. All measured square to each other.
            Exactly what I do in PCDMIS. I have given up trying to make a cone work on chamfers that I just use the "three line method" also.
            Links to my utilities for PCDMIS

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