True position

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  • True position

    I'm fairly new to PCD, but 18 years programming. I have a position callout (bi-lateral not diametric) of .001 to -A-. -A- is a cylinder, and the position is for the mid-point of the tip geometry (mid-point of two circles) in the X axis. The deviation in X shows up as .000081, so the true position should report out as .000162 (.000081 x2) but it doesn't. It reports a position of .003409. Where is PCD getting tis number from?



    TP_2.PNG


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    Last edited by UKCHAMP; 03-04-2019, 10:32 AM.

  • #2
    Sometimes you will have to change the GD&T standard to custom and uncheck the Perp to Centerline in the Advance tab if you're doing a single axis position.

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    • #3
      Thanks Sora5

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