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Trouble Mating to a pressure vessel weld cap

Question asked by Jim Mongiardo on Jul 27, 2020
Latest reply on Jul 28, 2020 by Jim Mongiardo

Our pressure vessels are mounted vertically on a cylindrical skirt (a very common method).  Past designers (including me) have just fudged the mate by specifying an estimated distance.

 

I would like to actually use a proper mate of the surface of the welded end cap resting on the inner diameter of the cylindrical skirt.  One issue right away is that I can't seem to select the ellipsoid portion of the weld cap as a surface to mate to.  For accuracy, this mate is being done within a multi-body part, not an assembly.

 

I'll see if I can get a picture for clarification added.  Thanks!

 

Jim

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