Bending Sheet Metal Around Corners

Typical products that are made like this are boxes such as electrical enclosures and rectangular ductwork.

Bending sheet metal around corners.

The slack between the wipe die and the punch plays an important role in getting a good result. Even on malleable materials you can end up cracking the metal at the bend or weakening it to the point where it ll break with minimal force. If you bend to a sharp inside corner with sheet metal you ll be adding a ton of internal stresses. A short video showing how to bend an outside corner demonstrated on a pro series metal bending machine but applicable to most machines.

Wipe bending or edge bending is another way to bend sheet metal edges. Simple sheet metal bender using a hand roller clamps and plywood. The solution is to have a radius on the tool that you ll be using to bend the metal. Bending is a manufacturing process that produces a v shape u shape or channel shape along a straight axis in ductile materials most commonly sheet metal.

As an example if you want to bend 24 gauge sheet metal at a 90 angle the calculation would be. Find metal siding trim at lowe s today. Commonly used equipment include box and pan brakes brake presses and other specialized machine presses. It is important to make sure that the sheet is properly pushed onto the wipe die.

0 017453 x 90 x 0 020 0 33 x 0 024 0 0438558984 inch bend allowance keep in mind that some metals are more brittle than others.