Checking flatness with Go and No Go Jig

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Priss80

#1
I have a part with flatness spec max 0.1mm and want to fabricate a go and no go jig to perform 100% on line checking. May i know what spec and tolerance should be the go and no go jig so that the part with max 0.1mm flatness can go through the jig? By the way, is it a good method to use go and no go jig to check flatness?
 
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Stijloor

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#2
I have a part with flatness spec max 0.1mm and want to fabricate a go and no go jig to perform 100% on line checking. May i know what spec and tolerance should be the go and no go jig so that the part with max 0.1mm flatness can go through the jig? By the way, is it a good method to use go and no go jig to check flatness?
What GD&T Standard does apply? Let us know, and I can answer.

A drawing (or part of it) usually helps.

The reason I am asking is that ASME Y14.5-2009 permits flatness to be applied to a derived median plane of a feature of size. Then, depending on the material condition that applies, a functional gage may work.
 
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