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Thanks for the help John. I'm sure UG has all this figured out and it is not my intention to question the functionality....just to understand what happens when I make modifications inside a very complicated assembly created by others no longer around. Time stamped component placement and P/C...

So in other words, and according to the 1st reply....if I interrogate component A in an assembly and see 9 constraints in the dependency list, I am to assume that all 9 constraints are required to position component A?...hmmmmmm. Only 3 constraints were used to place component A. The other 6...

Looking at the dependencies window for a component in assembly.....how does one quickly distinquish between contraints used to place that component and constraints referencing that component for other component placement. The dependencies window shows all constraints in the child folder. Seems...

Thanks for your input.... but I'm trying to create a simple sketch on the existing components in the assy, not the other way around. I have found a way to do what I want by creating datum points at the component verticies before i enter the sketch. Now I can create sketch geometry that can be...

Thanks guys...the assembly is a large ring weldment, a 12 sided polygon made of 4 x 6 steel tube. Each segment has 3 hinge attach plates welded to the top surface. The original design requires 3 x 3 angles spaced between the plates to provide for welding of downstream floor plates. My problem...

Why can't I constrain/dimension a sketch to multiple components on an assembly. I'm only able to pick edges of the component who's surface I used as the sketch plane (and I get a linked feature in the model tree). If I pick a datum plane as the sketch plane then no component edges can be...

Sam: No patterns in the assembly.

Sorry Sam.....the design is proprietary. I took your advise and separated the components on layers. The drawing is now manageable and I think I see light at the end of the tunnel. By the way, I picked this up after the original drawing became corrupted and unusable, nobody knows why it got...

All on layer number 1.

I'm a ProE designer that has been asked to help out getting a UG NX6 project back on schedule. I'm doing a drawing of a very large assembly (8000 components +). The design is a weldment with a substantial amount of bolt on piece parts. Unfortunately, there are no sub assemblies. The majority...

The space hardware is the aft skirt of the Shuttle Solid Rocket Booster. This is an external application with debris being the only issue. I am not concerned with the loads/enviroments at this time....just looking for different ideas on mounts. Thanks for the contact...I'll check it out.

Looking to design a vibration isolation mount for an electrical box on a piece of space hardware. Thinking of a 4 point connection using 3/8 shoulder bolts (NAS1160?) and rubber bushings (buna-n?). Box weight is approx 50 lbs with connection in primary shear. If I'm heading down the right...