Has anyone unfolded this shape?

[MB2011SD]

I made a transition which is square on one side, and round on the other. Attached is a picture. When we cut this in half, and it is a sheetmetal part, we are NOT able to unbend this shape using Pro-E sheetmetal. Has anyone ever unbent a shape like this before? Thanks in advance for any assistance you can provide. The person I talked to told me he has NEVER been able to unfold a transition like this but it sounded like he could if the inlet and outlet are on top of each other. View attachment 5114
Edited by: MB2011SD

 

[s_pme20]

I tried ....seems like no way...anyone have suggestion?...

 

[pjw]

You don't be able to unbend it - it's developed in more than one axis.

 

[cpoirier]

[No message]

 

[cpoirier]

I have seen a similar shape unbent in training (electrical spade lug),
look up deformable area in the help system. I you deal with this as a surface set a wedge shape surface
allowing the deformable area to let the flat layout happen. Of course it
may not be accurate as to what would happen in the real world.





You could also be able to rip the part in order to allow the flat layout. (make a
seam that opens up) Or dice the part into many parts to get a bunch of
parts to make the shape for a flat layout.


May want to try a different tactics and make the part entirely in the
sheet metal application. I think there are some advanced wall techniques
that would get you to a shape that is close.





If you are hell bent (no pun intended) on figuring this out and have
some tooling/equipment to take a shot at making the part it would be
neat to use layout dye and scribe a grid on the sheet, form it and see
what moved where, then make the CAD do it in some way. Understanding how the sheet stretches may help. Again probably a
waste of time. But learning a new way to do something is always worth it
if someone will pay the man hrs.





I don't know if any of this would work. Just a bunch of ideas.








Chris