Rectangular Bolt Pattern datum

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  • Rectangular Bolt Pattern datum

    4.2 B&S no cad
    my issue is the true position of a bore at MMC called out to -C-, the plane and
    -D-, the rectangular (4) bolt pattern at MMC.

    All the individual features are programmed just don't know how to get a MMC from the bolt pattern.

    Thanks in advance for any suggestions

    sally

    I used to a perfectionist but gave it up because I wasn't any good at it.

  • #2
    Go to Insert/Dimensions and turn off the Use Legacy Dimensions. Then Insert/Dimension/True Position will open the XactMeasure GD&T. It allows you to pick the bolt pattern and properly evaluate to the FCF.


    Jan.
    ***************************
    PC-DMIS/NC 2010MR3; 15 December 2010; running on 18 machine tools.
    Romer Infinite; PC-DMIS 2010 MR3; 15 December 2010.

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    • #3
      If your bolt pattern is a Datum then you need to create a Feature set out of the bolt holes first.

      Then Define your Datum feature to the Feature Set
      Mr. Comment
      SCIROCCO-NT 13-20-10
      B3C-LC Controller (Leitz Protocol), SP600M, TP200
      PCDMIS CAD++ v4.3 MR1(Build: 12/11/08)
      sigpic

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      • #4
        Be sure to type in the nominals for each feature since you have no cad.
        sigpic GDTPS - 0584

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