How to model paint in an assembly?
How to model paint in an assembly?
(OP)
I have an assembly made from 4 components in Wildfire 2.0. This assembly will be painted. The paint builds up to .004" on the show surfaces. How can I model this paint build up? I want to have the paint model parametrically linked to the assembly so that it will change if any single component dimentsion changes. I tried making a sketch in the assembly based entirely from the assembly model edges. I then saved this sketch to a file. I was then going to make a thickened shell part from this saved sketch and then assemble it into the main assembly. The problem is that the saved sketch does not update as the assembly model geometry changes and thus my "paint" component is not linked to the assembly. Thanks for any suggestions.





RE: How to model paint in an assembly?
Best Regards,
Heckler
Sr. Mechanical Engineer
SWx 2007 SP 2.0 & Pro/E 2001
Dell Precision 370
P4 3.6 GHz, 1GB RAM
XP Pro SP2.0
NVIDIA Quadro FX 1400
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(In reference to David Beckham) "He can't kick with his left foot, he can't tackle, he can't head the ball and he doesn't score many goals. Apart from that, he's all right." -- George Best
RE: How to model paint in an assembly?
Happy new years to all! I haven't been around much lately because I've been (fortunately) swamped with work :)
RE: How to model paint in an assembly?
RE: How to model paint in an assembly?
So if you send a part drawing to the manufacturer that indicates a width of .100" and you spec a .004" paint thickness, then it's up to the shop to build the part .092" wide so the finished width is within spec.
Our models were physically dimensioned .100" which already accommodated the paint thickness.
<tg>
RE: How to model paint in an assembly?
RE: How to model paint in an assembly?
Then, change the overall width dimension using the override: @O&assy_width
You will have to argue the point that this is a true dimension that updates with model changes versus the alternative where you 'fake' the dimension.
<tg>
RE: How to model paint in an assembly?
I don't understand the logic or application and
think it's opening a can of worms, but given the
desire to model painted and unpainted versions I
think I'd look at something like ...
_ Create references on unpainted surfaces.
_ Pick a (assumed 'solid') part face, RMB, Solid Surfs.
_ Edit -> Offset -> Expand Feature and enter the offset
value.
_ Go back and cut the 'paint' off where req'd.
Some variation on the (quilt building and offset based)
theme and family table or extern geom reference should
get you where you want to be.
RE: How to model paint in an assembly?
It is late in the day but here goes....
Whenever there is assembly operation, we produce it at the assembly level. So, in your case, assemble the painted surfaces as components. This way you can treat the painted surfaces as "real" geometry. Also, you can colour the surfaces to be obvious in the assembly.
If you are worried about parametric updates, make dependant copies of your parts, then add the paint thickness to the copied parts. Then cut away all but the painted surface and you have a parametric paint layer that can be suppressed at any time.
There may be more sophisticated ways to do this however, with Pro/E 2001 foundation, this is likely what I would try.
Cheers,
JW
RE: How to model paint in an assembly?
jeff4136 - I tried your idea with the offset. I highlighted a surface then went to the pull down menu, but the "offset" feature was grayed out. I think that the offset only works in part files, but I maybe missing something.
telecomguy - I like your idea of setting up a relation. I think that my company would go for that. It will update the thickness automatically in the drawing if one part increases, so I don't see a foul with that.
RE: How to model paint in an assembly?
RE: How to model paint in an assembly?
Dimension the unpainted version, but assemble the painted version...
RE: How to model paint in an assembly?
David