Heavy duty sheet metal break.

[Frank S]

How deep a bend? I built a roller based brake that might be super sized for your use but I think that bandit 1/8 in aluminum would be difficult if it has any alloy in it. As with most request like this, we don't have enough information to really recommend a solution. At that thickness and assuming that it is a ridged structure I would look at welding it unless you will be doing a whole bunch of them.

I suppose that you could build a power or manual hydraulic open end "O" punch that you could walk the metal through to get the length that you need.

Good luck
Lowell

What I have found that works very well with alloy sheets is to use a punch or finger with a blunt or bull nose end having a radius of 3x the thickness of the sheet. Also normalizing the bend area with heat before bending. Aluminum stresses very easily

[madhatter3]

Checkout Homeshop Machinist (Machinist's Workshop) magazine & Projects in Metal for ideas on how to build your bend .125 thick aluminum. I think the other posts are your best answers, but check out the magazines anyways.