Cutting Straight Line Sheet Metal
Start by taping both sides of the sheet metal directly over the line you want to cut and clamp the metal to a work station so it doesn t move.
Cutting straight line sheet metal. Then grip the saw with both hands and push the blade through the metal to cut it. And the long blades make it easy to cut straight and leave a smooth edge. A punch separates a length of stock along a straight line. To cut straight lines use an electric saw.
Industrial sheet metal cutting operations such as this will usually incline the punch so as to reduce the maximum force needed by distributing the required force over the. This same idea i decided to take to sheet metal when using the scissor shears. Step 5 optional if your project requires cutting a hole in the center of sheet metal draw it on the metal as you would any other cut line. Even so your cut will probably be a little ragged.
One of the simplest types of press working operations is a sheet metal cutting process called a straight cutoff. As you cut one side of the sheet metal will ride up and over the. Then create a pilot hole within the penciled circle. This way you can simply press the edge of the torch cup against the straight edge and slowly make a straight cut.
This may be a no brainer to most of you but i had to do a lot of repetitive cutting of sheet steel and was looking for the fastest way to do it. An well known trick when cutting with your plasma cutter is to clamp a metal straight edge to the metal so the arc is directly over your cut line.