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Wire surface profile call out confusion.

RobOntario
Hello all

I have a surface profile call out for 3 mm, the program uses 1.5 -1.5 and deviation 3.0 to check all those hits. My question is whether unilateral profile should be only about max min deviation about 3 mm?
Can I use 3 mm and -3 mm to check the hits M value and relays on deviation only?

Thank you



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  • Since you are using Legacy dimensioning on the profile, you will need to report our the MAX and MIN deviations, which are in the textual analysis. I do not see the arrow that the profile callout is pointing at to see if it is a bilateral or unilateral tolerance. Either way, you will not have a +/- 3 tolerance.

    What is the standard on the print? ASME? 1994? 2009? 2018? ISO? This will affect how you report the profile.
  • in reply to bfire85
    Robontario If you are going to continue using Legacy, then you need to format the report to show MAX and MIN and omit the MEAS. Then double the greatest deviated between MAX and MIN report that as your measured value. Otherwise, use Geometric Tolerance GD&T library (2020R2+) and it will report it as it should per the standard. Happy GD&T-ing.
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  • in reply to bfire85
    Robontario If you are going to continue using Legacy, then you need to format the report to show MAX and MIN and omit the MEAS. Then double the greatest deviated between MAX and MIN report that as your measured value. Otherwise, use Geometric Tolerance GD&T library (2020R2+) and it will report it as it should per the standard. Happy GD&T-ing.
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