told I am wrong

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  • told I am wrong

    I am being told my measurement is wrong. Which I am ok with but not sure of better way to do it. the 1.3 Diminsion I am getting an out of tolance and no repetabilty. Untitled.png

  • #2
    What's PH?Is that a C/L of a cone?
    Automettech - Automated Metrology Technology

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    • browningdmis
      browningdmis commented
      Editing a comment
      You are correct in your assumption. I do not know what PH is. It is not on the part. The way they tell me they want it measured is Datum B is a plane that will intersect and at the point of the 10 degree plane.

    • NinjaBadger
      NinjaBadger commented
      Editing a comment
      Sorry but that is nonsensical - you're being asked to measure from a feature (which does exist) to one which doesn't exist, you can't make it right or wrong, you're measuring to nothing!

    • MBaroni
      MBaroni commented
      Editing a comment
      As per NinjaBadger, it's not possible to measure #37 without determining the position of PH first.

  • #3
    It looks to me like you have a small amount of planar material around the cone. Can you get manuals on that surface, and then level to it and set it to Z+. Then take 4 hits in the cone, and call the circle created as X&Y origins (the machine will assume machine X&Y rotations, but use the circle as origin points. Then, you could use the autoplane at 1 level (basically hits in a single, circular pattern), with a whole bunch of hits and a spacer of just over the radius of the top of the cone to get the plane? I have a part similar to this that has a draft angle. The only other fix that I can think of, is to attach a plate to the surface and measure the plate, then remove the plate without disturbing the part.

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    • #4
      Measure cone.
      Measure small flat as line and intersect with cone centerline.
      Measure line on 10° surface.
      Dimension distance from intersection point perpendicular to line.

      This needs the 7°30' to be able to be measured as a cone.
      PC-DMIS CAD++ 2o19 R1 SP11

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      • vpt.se
        vpt.se commented
        Editing a comment
        Until OP has determined if it is a cone or not, this will be a guessing game.

      • browningdmis
        browningdmis commented
        Editing a comment
        Sorry been out for a bit.

        No this is not a cone.

      • browningdmis
        browningdmis commented
        Editing a comment
        ukcmm I am not measuring it. I have told them I can not measure this as drawn. They tell me I am wrong. I asked them to show me how but they say its my job to figure out. I simple don't know how to do it.

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