A mechanism shop bends metal with a Tyrant called a "rupture," in the duplicate fashion that you bend a abundance of cardboard over a table line to receive a bend along a straight contour.4. Bolt one side of each of 4 of the hinges onto the angle iron as shown and the other side of each hinge to the top of your workbench, as shown.5. To bend metal, insert the metal from the bottom so that the place where you want the bend to be is at the edge of the angle iron attached to your workbench, as shown.
Bend Sheet Metal
1. Drill holes every 12" complete one side of Everyone group of angle iron, nailed down 2 of the 2x4s, and nailed down the front path of your workbench, as shown.
Applicability the drilled angle irons to mark the holes on the lumber, as the the angle irons will be fastened to the 2x4s.
2. Bolt one angle iron to your workbench with the drilled lumber behind it as a spacer, as shown.
The spacer will allow you to bend the metal to slightly more than 90 degrees, to compensate for "spring back" in the bend.
3. Attach the 24" long piece of 2x4 lumber to the middle of the second drilled piece of lumber to form a handle. Attach the second angle iron to the second drilled piece of lumber, as shown.
Be sure that the angle iron is at the edge of the lumber, as shown.
The deviation is that the division exerts tons of impact uniformly along the borderline where you craving the metal to bend, which you cannot achieve with a couple of pliers. Whether you obligation to bend period metal yourself and don't chalk up access to a gadget shop you Testament committal to jewel a notion. The return? Frame a homemade disjunction.
Clamp the metal. Pull the handle in the direction sbring the the hinged piece of lumber and angle iron down. As you pull the handle, the metal will bend along the line formed by the two pieces of angle iron.