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Another ASME profile question Ugh!

markoor99
I know this gives people brain aneurisms as it does for me, so I'm just asking for opinions. I've looked at numerous threads on this to the point my head is going to explode. I have a blueprint that says, "Blueprint interpretation, ASME Y14.100" in the notes. Underneath that it says, "Dimensioning and tolerancing: ASME Y14.5".

I thought in ISO you doubled the worst points deviation. But my AMSE 14.5 is doubling it in GEOTOL. What is correct these days? Double it or just min-max? By the way I
'm running 2020 R2. Was this changed in later version?

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  • Does the print specify a year for ASME Y14.5? The definition was changed to the single value method (twice the largest deviation) in the Y14.5.1 - 2019 math standard which applies to Y14.5 - 2009 onwards. 2020 R2 was the first version of PC-DMIS to implement that change with the introduction of the geometric tolerance command.

    If you still need the older, two value method (max & min) you can use legacy profile.
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  • Does the print specify a year for ASME Y14.5? The definition was changed to the single value method (twice the largest deviation) in the Y14.5.1 - 2019 math standard which applies to Y14.5 - 2009 onwards. 2020 R2 was the first version of PC-DMIS to implement that change with the introduction of the geometric tolerance command.

    If you still need the older, two value method (max & min) you can use legacy profile.
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