Bending Sheet Metal Around Corners

The slack between the wipe die and the punch plays an important role in getting a good result.

Bending sheet metal around corners.

Typical products that are made like this are boxes such as electrical enclosures and rectangular ductwork. 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. Bending a brittle metal beyond its limits could cause the metal to snap and break. As an example if you want to bend 24 gauge sheet metal at a 90 angle the calculation would be.

The solution is to have a radius on the tool that you ll be using to bend the metal. Simple sheet metal bender using a hand roller clamps and plywood. Wipe bending or edge bending is another way to bend sheet metal edges. Monkeys spinning monkeys by kevin macleod.

It is important to make sure that the sheet is properly pushed onto the wipe die. Find metal siding trim at lowe s today. 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. 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.

A short video showing how to bend an outside corner demonstrated on a pro series metal bending machine but applicable to most machines.