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Is there a drawing standard for over-ridden dimensions?

Question asked by Nathan Rollins on Jul 15, 2019
Latest reply on Jul 16, 2019 by John Matrishon

Hi - we have an unusual circumstance. A customer is asking that we change a dimension on a print but NOT on the CAD model. Strange, wrong, and potentially dangerous, we know... But the customer is always right, say some.


So, we want to make sure that anyone reading the drawing is alerted to this fact. We want to communicate this in a way that is clear and, if possible, accepted by industry.


There has been some conversation (rumor) in the office about a standard (ASME or ANSI...?) that prescribes underlining the dimension in question on the drawing to signify that it intentionally does not match the 3D database. But, no one here has ever used or heard of this convention and because it seems odd / rare, we want to supplement this with a note to explain...


Do any of you have experience doing this? (If you are as embarrassed as I am for even thinking about releasing a drawing with such a band-aid, feel free to PM me. I promise not to tell anyone  )