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Mar 14, 2007


Tony in SV

I agree that tolerance data might be part of the problem - and in fact, specifying tolerances is one weakness in 3-D MCAD - it's not standardized (except maybe in STEP-NC). We do tolerancing in our 2-D Solidworks drawings.

But there's a hint at a different problem:
"The engineers' "notes"—appendices that describe details of models such as curves—sometimes are not replicated in the translation between Catia V4 and V5, ... In other words, key notes required to duplicate a 3D model showing electrical wires as they twist and bend through the aircraft may fail to reappear in full and accurate detail when a design file in one system is converted to a file in the other."

I'm not sure how you model wiring harnesses in CATIA V4 or V5, but if it's different, that could be another part of the problem.

Anybody have experience doing 3-D models of wiring harnesses?

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