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How to Tolerance Dimension Having Zero Nominal Value?

How to Tolerance Dimension Having Zero Nominal Value?

How to Tolerance Dimension Having Zero Nominal Value?

(OP)
Hi,
Does anyone have any suggestions on how to go about dimensioning and toleranceing in a situation where two surfaces ideally need to be flush but in this case a 1mm overhang and 1.5mm inset is permissable?

I've attached an image showing what I'm trying to do.

I've often been asked to add a limit to two mating parts that have a nominal position equal to zero as in this case.

Thanks!
Ryan

RE: How to Tolerance Dimension Having Zero Nominal Value?

Ryan1220,

Read up on GD&T profile tolerances.

--
JHG

RE: How to Tolerance Dimension Having Zero Nominal Value?

(OP)
Thank you!

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