Assembly constraints "sticking"

[SiW979]

I have just been creating some training material for WAVE linking and interpart expressions. I have modelled some simple parts and created an assembly. when I change a value in the master part, a number of other parts will update and change to reflect the edit, however I have noticed that as I change between different sizes, 4 screws that are constrained using the a concentric constraint do not move with the holes in the compoent to which they are constrained. However, the constraints in teh ANT do not report as being out of date and if identify just one of the 4 constraints and toggle it off and on, then this fixes the problem. I do not have any delays turned for anything so I was wondering why this might be happening. Any ideas?

Cheers

Si.

Best regards

Simon NX7.5.4.4 MP8 - TC 8

http://www.jcb.com