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bending sheet metal

bending sheet metal

bending sheet metal

(OP)
I just started a new job working for a company that designs generator enclosures and fuel tanks (sheet metal drafting). I was wondering how to figure out the amount of material I need to remove/deduct in order to make a box out of sheet metal w one open end. I got the bend deductions down, but don't know the formula to figure out the amount of material I need to remove in order to bend the sides up to 90 degrees and have no overlapping/sloppy corners..

Is this right???
Notch = Flange(outer dimm.) - Bend Deuction - Percentage of material thickness and that should give ya a box at the right dimms.

Thanks for the help -Nick

RE: bending sheet metal

You can find a treatment of blank layout for square or rectangular shells at page 192 of ASM Metals Handbook Eighth Edition, Vol. 4, Forming, in the Chapter on Deep Drawing.

http://www.welding-advisers.com/

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