Jul 20, 2017 · The datum shift approach isn't different in parts vs. assemblies. But parts and assemblies differ in that a part stack needs only one spreadsheet calculation while an …

Mar 9, 2009 · Datum shift is a slang term...but Datum displacement has a definition in Y14.5. I think most novices who try to read the actual Y14.5 wording of datum displacement end up …

Sep 29, 2014 · Datum shift is intended to represent allowable movement relative to the mating part - so it doesn't matter if the part being inspected is held motionless or not.

Dec 2, 2009 · Then the datum shift is the difference between the actual size and the virtual condition size developed by the refinement tolerance. If the same hole was a tertiary, the the …

May 23, 2017 · Thus the size variation of the datum feature doesn't play a role in the shift. If you have the textbook where those exercises are taken from, look back to a page in the bonus & …

May 11, 2011 · regarding datum shift and its message that the modifier applied to a datum feature does not change the tolerance on the feature or features being toleranced, but should (or can) …

Nov 1, 2018 · SeasonLee, Datum shift applies to the position tolerance for the 4X hole pattern. The datum feature references do not constrain all 6 degrees of freedom (A constrains u,v,z but …

Nov 20, 2010 · The amount of datum shift is equal to the amount the datum feature departs from MMC, so the max amount of datum shift is equal to the difference between the gage size and …

Feb 2, 2005 · 2. While defining the datum C ; what does the mean of block 3 in feature controlled frame " datume B with MMC condition" ( I think it is a datum shift - but not sure about the …

Mar 3, 2021 · What is the best way to take advantage of datum feature shift offered by A(M)-B(M) callouts. (Software Calypso version 2014 5.8.2 service pack 5) See attachment ISO …