I would like to set set the constraint coincident per default instead of normal when assembling an component in assembly using component interface and automatic coinstraint type option in Creo Parametric 2.0
The config.pro option "auto_constr_always_use_offset" set to "never" is supposed to do this. Unfortunately it doesn't seem to be working correctly in Creo 3. (I have a case open.)
I don't like this idea being set to current functionality!! REALLY?? You have to add 2 obscure config.pro options that aren't intuitive. You would never accidently find these settings. Maybe a setting that said "use_normal_constraint_as_defualt" or something that someone may accidentally stumble across.
I appreciate that there are options to make it work right, it's just that no one would ever find them without help.
Agreed. Creo didn't even have the Normal constraint in WF5; why does it seem to be the default when you select planar references? And when assembling components in the real world, how often would you want to use Normal as opposed to Coincident?
Yup, as Stephen says there is no way a user could be expected to work this out, and as David says why was this even introduced? The way it worked in WF was significantly better (although I'm not going to claim it was perfect).
What does "comp_normal_offset_eps" even mean, and why does a value of -1 make it work?
Also make sure you have "work_like_i_expect_you_to yes" and "make_ridiculous_assumptions no" in your config.pro.
I've been struggling to fix this for a while and PTC support could offer no help. Now I find the answer is in the comments of an idea; nice job PTC.
I can't imagine what they were thinking when they wrecked all of the assembly constraints, but I have noticed that the defaults seem to be based on how the component is oriented when you first start to assemble it. Which is an awful way to base assembly assumptions.
To add insult to idiocy, all of our custom component interfaces for the hundreds of thousands of fasteners we use, assemble exactly opposite now. PTC says they are considering looking at it in Creo 4.
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