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> Bent Steel

tlehnhaeuser
post Mar 20 2012, 12:37 PM
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Would anyone have an effective way to bend the corner of a piece of steel as shown in the image?

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The end result must be "real" in other words the bend radius and treatment needs be correct as if in real life.

tom

Heres a video of my attempt. Does anyone see anything wrong with this spproach?
http://www.youtube.com/watch?v=OUAMEvw3_iM...=1&feature=plcp



This post has been edited by tlehnhaeuser: Mar 20 2012, 04:36 PM
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Jeff Myler
post Mar 23 2012, 05:16 PM
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That's a puzzle!
I made an attempt a different way, but did not quite get there. Had fun trying.

1. Made a simulated sheet metal part using standard intellishapes (not using sheetmetal tools) just to get geometry to pull from.
2. Created thicken shape part from outer surface geometry.
3. Then created flat pattern from surfaces to see how close it looked unfolded.

I got some little joggles in flat at the bend line, but heck it could tell me where to bend it. Now back to work!

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Attached File  bend_puzzle.bmp ( 375.83k ) Number of downloads: 144
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Jeff Myler
post Mar 26 2012, 11:34 AM
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Sorry, attachment did not work for me.
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mwalls558626
post Mar 26 2012, 05:06 PM
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Tom,

Can't see a much better way than what you did. A long time ago I, and others, asked for a way to model sheetmetal from in the flat state. In other words, take a flat piece of stock, add a bend line across the surface, just like you want to do, and then have the sheetmetal bend across the bend line that was drawn when in the flat state. I have had many tapered parts I needed to make, and this feature would have been very valuable and powerful in that case. I'll poke around as time allows to see what can be done.

Mike
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tlehnhaeuser
post Mar 27 2012, 02:30 PM
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Thanks all.
I had double checked my approach and unfolded it, it turns out it does not unfold to a perfect square. So I guess this approach looks good but in reality not a "real" part.

the odd thing is the unfolded state doesnt even have a square corner which I thoughjt for sure it would have. I will post the part when I get to my other computer.
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