Cut Sheet Metal Without Bending

The illustrations are for a small bracket but i have cut 3 foot long pieces using this method.

Cut sheet metal without bending.

Metal shops have brakes mounted at different angles with automated braking arms however it is possible to bend sheet metal at home without the use of a brake. Another tool is a plate shear for cutting slightly. Place the fracture line over the edge of a table and bend the overhang slightly downwards. If you use metal shears to cut thin sheet metal such as duct metal it curls and can be difficult to flaten properly.

It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. A brake is a device that allows you to bend a piece of sheet metal at a particular angle. Clamp the sheet metal in place on your work table to hold it in place while you work. Thick using a ferrous metal cutting blade.

Hot metal chips will fly everywhere. Plus a plasma torch can be used for thick metal too so they are really handy. When set to a low amperage a plasma torch won t warp the metal and can yield quick clean cuts that help you get the job done quickly. This weakens the aluminium and creates a fracture line.

These photo steps show that it can be done using a utility knife. Also referred to as aviator snips these scissor like hand tools cut sheet metal materials up to 18 gauge in thickness accurately without leaving a ragged bent edge as the finished product. There are three tools that kevin caron uses a lot to get a precise cut from a thin piece of metal. You can cut mild steel up to about 3 8 in.

Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal. Align the snips with the line you want to cut with the upper blade of the tin snips touching the sheet metal. Tin snips are primarily used for cutting thin sheet metal like tin aluminum brass and thin gauge stainless steel. In our test it cut through rebar like a hot knife through butter.

With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet. One tool is a foot shear or a jump shear.