concentricity of 2 circles

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  • concentricity of 2 circles

    i have a drawing that calls out the concentricity between 2 circles, i am using pcdmis 2013 (cause i haven't updated yet), but cannot figure out how to use this function? i am new to programming and dealing with plastic parts we don't get tolerances like this very often (GD&T), but have some new customers that are going to start using it. can anyone help? 10094735 - B - Pump Housing, Re-designed, AutoDose.PDF (101.3 KB) do i use the inner circle as the datum or the plane as called out in the drawing?
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    Last edited by ROBB OVERBEY; 01-14-2016, 09:35 AM.

  • #2
    Measure 5.2 cylinder and level and origin on it.

    Take lots of vector hits on 2.25 diameter at .42 from -A-

    Report difference between largest and smallest radial distance.

    Concentricity reports the same as location. Don't use it. You need TIR

    B&S CHAMELEON/PCDMIS CAD++ V2011

    There are no bugs, only "UNDOCUMENTED ENHANCEMENTS!"

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    • #3
      thanks dph51, i am going to try that as soon as my tech gets done with the machine!

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      • #4
        For the concentricity between 2 circles, circles must be in the same plane (ISO1101).
        In other cases, it can be coaxiality (for cylinders) or location...

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