How Do You Cut Aluminum Sheet Metal

For cutting 1 16 thru 1 8 material use 10 teeth per diameter inch 10 x 100 tooth or a 12 x 120 teeth.

How do you cut aluminum sheet metal.

Then bend the sheet back and forth a few times to snap it. Wax your saw blade before cutting sheet metal. This makes it easier for your chisel to get into your aluminum s hardened grains of metal. How to cut sheet metal method 1 of 4.

And you can use the same technique anytime you need a straight cut on aluminum or other light gauge sheet metal even steel. Cutting straight lines with an electric saw. Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal. This weakens the aluminium and creates a fracture line.

Making detailed cuts with. Place the fracture line over the edge of a table and bend the overhang slightly downwards. They don t cut curves well. 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.

To cut the sheets of metal rathe. Clamp or hold a straightedge or square along the cutting marks and score a line with the tip of a sharp utility knife blade. Using a softer piece of material such as wood as a backer will allow the chisel to push through the metal and prevent wear on the chisel s tip. With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet.

Add 1 drop of 30 weight machine oil to the chisel s edge for lubrication. Cutting aluminum sheet metal with a hammer and chisel is relatively straight forward line up the edge of the chisel along the line you wish to cut and strike the chisel with a hammer. Straight cutting compound snips work best for cutting thick or doubled up sheet metal. Then create a pilot hole within the penciled circle.

Using tin snips for thin sheets. Choose between red blue or yellow snips based on the cut direction. There are two ways to cut round ducts. Anything longer and you re probably using the wrong sized chisel or you need to use a saw.