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ALT Drag mating error (fixed part "jumps" around)

Question asked by Dan Pihlaja on Apr 19, 2018
Latest reply on Apr 19, 2018 by Deepak Gupta

See that attached video.   In this particular assembly, I have 1 sub assembly and everything is fully mated (except the one fitting).   The sub assembly is fixed.  There are no mates on the fitting at all.


I added a small fitting and then tried the ALT drag method (which I use all the time, by the way).  As soon as the fitting grabs the hole, the fixed sub assembly suddenly "jumps" out of position.  This is repeatable over and over.  For this particular assembly/component I can't use the ALT drag method.


I am using SW 2017 SP5.

A couple of questions:


1) Has anyone else seen this?

2) I have attached the sub assembly.   Can anyone else repeat it with SW 2018 or SW 2017 SP5 (maybe it is my system?).

3) Anyone know what the issue here is?



The ALT Drag method works for every diameter on that little fitting EXCEPT the conical tapered thread diameter.  So I have a good work around.  Just wanted to shed some light here.