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Part won't flatten ("no bends found"); edge treatments disappear

Question asked by Max Crittenden on Mar 18, 2010
Latest reply on Mar 23, 2010 by Anna Wood

I'm having two problems with the attached part and its mating piece.

 

First, when I insert sheet metal bends in this part, I get the message "No bends found", and the part won't flatten.  It seems to be a problem where the large rolled section meets the flat sides at a sharp bend.  If I build a similar part with the large radii, it flattens with no problem.

 

Second, since the assembly consists of two rolled parts welded together, I want to machine steps into the straight edges when the parts are flat so that they're easier for the welder to assemble after rolling and bending.  (I gave up on a sweep cut along the curved edges.)  But no matter where in the Feature Manager I put the stepped edges, they disappear after inserting the sheet metal bends.  Is there any way to do this, or does sheet metal automatically imply plain square edges?

 

thanks

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