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ptc-52417981-Visitor
1-Visitor
March 24, 2014
Question

CREO 2.0: Creating surface/volume regions in subcomponents of assembly

  • March 24, 2014
  • 11 replies
  • 9000 views

Whenever I try to add a surface or a volume region to a subcomponent of an assembly, it fails. In order to add the surface/volume region, I must open that part by itself and add the surface/volume region there. However, the location of my surface region in one component is dependent on the position of other components within the assembly. This makes locating the surface/volume region very annoying. Does anyone else have this headache?


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11 replies

danderson1-Visitor
1-Visitor
March 25, 2014

Jack,

Check your external reference settings. This may be preventing you from doing it in the assembly.

Hope this Helps,
Don Anderson

ptc-52417981-VisitorAuthor
1-Visitor
March 25, 2014

I don't have any restraints on external referencing in my settings, that I can see. Were you thinking of a specific option that might cause this problem?

danderson1-Visitor
1-Visitor
March 25, 2014

Jack,

When you add a surface or volume region at the assembly level it will be stored in the part file but you should be able to define it at the assembly level.
Do any of the parts have features created with a module requiring a floating license?
See if your settings are are simalar to these below.

File > Options > Assesmbly >
assembly+refs.jpg

Don

pshepherdson12-Amethyst
12-Amethyst
November 14, 2014

Hi All,

Im running into a similar issue. I have three parts (all Sheet metal). I can assign a surface region on one part, but the other two give me a "Geometrical Reference Error" and cannot proceed. I can add teh region to the parts individually, but not in the assembly.

Any ideas?

danderson1-Visitor
1-Visitor
November 14, 2014

Paul,

Surface regions are stored in the part files, not in the assembly file. To avoid external references it's better to create the surface or volume regions in the part files.

Don

pshepherdson12-Amethyst
12-Amethyst
November 14, 2014

Hi Don,

Then why can I add it to one part, but not the other two? I'll assume it has somethign to do with adding eh reagion to eh first part, the grounded part, the 'default' constrained part.

ChrisKaswer16-Pearl
16-Pearl
February 15, 2016

You can't create a surface or volume region at the assembly level if there is an assembly-level cut - BUT, you can use "Solidify" to make an assembly-level-like cut in your model (my need for this is typically for symmetry use) ... then you can make a surface or volume region in Simulate. Of course, there will be cases where you cannot use this approach if the model requires assembly-level cuts to represent your real process.

Chris

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