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Stackup calculations (X min / X max.) 3

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I mean, what's the definition of "perfect form" here? If the hole tolerance tells me that it applies only when a Ø19+0.5/-0 shaft is at LMC (and therefore "perfect form"), shouldn't that mean only when you've got a perfectly straight Ø19 shaft in which the upper limit doesn't come into play?
 
The perfect form limitation only applies at MMC unless the feature itself has a geometric tolerance that applies at LMC. Since the outer diameter has no geometric tolerance applied, then its perfect form is at MMC.
 
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