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Rolled sheet metal

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Rolled sheet metal

Can CREO sheet metal module unRoll the part ?
Any hints how to unroll the part shown on picture?

4 REPLIES 4

Re: Rolled sheet metal

The sheet metal design package is designed to work with bent parts, not rolled ones.

There are other tools to unroll a part. Most involve the neutral axis, since the rolling process on that shape does not really stretch or compress the material the way a bending process does.

 

Re: Rolled sheet metal

Thanks for reply

Re: Rolled sheet metal

I've never played with it like that, but I would imagine that if the part is develop-able, sheetmetal should be able to flatten it.  I'd think that rolling a part vs bending a part should still be based on k-factors because if you're taking a flat piece and forming it, it has to stretch somewhere on the outside of the neutral axis to at least some degree.  Perhaps rolling would stretch a little less, but the outer surface would have to shift/smear relative to the inner surface.   It would be interesting to see a comparison of the exact same flat pattern formed into the exact same final shape done with the 2 methods.  Maybe using radiography to see what the different forming types did to the grain structure?  Maybe precise markings on the edges to see what happens to the straight lines after forming?  Hmmmm.....

Re: Rolled sheet metal

Yes

rolled.jpg

rolled2.jpg

I was able to flatten from conversion and built in Sheetmetal.  Unbend also worked.


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