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Xact Measure problem

slesholdofthreep
Has anyone had problems with Xact Measure TP dims? I have various parts with MMC on the DF as well as the Datums. As may be expected the DF and the datums all have different size tolerances. When setting up the dimension I tolerance them correctly, but once created the datum tolerances default to the DF tolerance. I have assigned variables for tolerances with little success. In fact I can type in the correct tolerance right into the dimension in the edit window and.. pfft... it reverts back to the DF tol. I am attempting to use this "improved" method because the hexagoon's say that legacy TP dims don't account for MMC on the datums correctly. WTF!

I am running V4.2mr2, but I have seen this in 4.1 and 4.2mr1.
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  • Matt- thats a good one when you have a VC on the DF only. Unfortunately, I have VCs on the datums as well which requires a qausi BF on the datums limited to there individual tolerances. If I had a coding solution for that I would be a much better programmer than I am.

    James- thanks for the tip. On a side note, do you think it reports the deviation for the set when dimensioning a group?

    Well, is it possible for you to use the datums as you need for the TP, but set it to RFS for the datums, and then still use the method I showed for getting the bonus from the diameter? I mean, if you use "abc" datums for the TP, it will align to those features, making them 'perfect', then giving the TP of the hole you are dimensioning. So, you put in a TP dimension for the datum hole, just to get the size bonus (set it to report to NONE instead of REPORT/STATS/BOTH) to add to the TP tolerance for the hole you are dimensioning.
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  • Matt- thats a good one when you have a VC on the DF only. Unfortunately, I have VCs on the datums as well which requires a qausi BF on the datums limited to there individual tolerances. If I had a coding solution for that I would be a much better programmer than I am.

    James- thanks for the tip. On a side note, do you think it reports the deviation for the set when dimensioning a group?

    Well, is it possible for you to use the datums as you need for the TP, but set it to RFS for the datums, and then still use the method I showed for getting the bonus from the diameter? I mean, if you use "abc" datums for the TP, it will align to those features, making them 'perfect', then giving the TP of the hole you are dimensioning. So, you put in a TP dimension for the datum hole, just to get the size bonus (set it to report to NONE instead of REPORT/STATS/BOTH) to add to the TP tolerance for the hole you are dimensioning.
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