Cutting Aluminum Sheet Jigsaw
Usually it s a matter of moving a belt to a different sized pulley.
Cutting aluminum sheet jigsaw. Use a jigsaw if circular cuts need to be made in the aluminum. When you re cutting aluminum on a band saw you ll want to crank the blade speed up to 250 feet per minute. To cut the sheets of metal rathe. Cut through the sheet where you have put the marking.
Cut metal plate and pipe on low speed. Clamp a guide to your aluminum on both sides of your saw. Sharp edges are present on the cut sheet metal so use a metal file or sandpaper to smooth the edges of your project. For pattern cutting drill blade starter holes instead of making plunge cuts.
For cutting sheet metal choose a finer blade with 21 to 24 teeth per inch. Instead of pushing it forcefully slide the jigsaw slowly and allow it to eat through the sheet metal. 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. And you can use the same technique anytime you need a straight cut on aluminum or other light gauge sheet metal even steel.
If your saw has variable speeds just consult the chart. Install a metal cutting blade into a jigsaw. Clamp or hold a straightedge or square along the cutting marks and score a line with the tip of a sharp utility knife blade. Cutting sheet metal is slow work with a jigsaw and even more so if you are working with corrugated metal.
Work slowly and methodically. Slowly push the jigsaw forward following the cutting line. Do it carefully and slowly to make sure you get the shape right. The more teeth on the blade the smoother the cut will be.
Use a 24 toothed blade or greater to cut through aluminum. 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. 2 make precise cutting marks on. Position the saw close to the side of the aluminum where you want to begin cutting.
Then bend the sheet back and forth a few times to snap it. To avoid shredding sheet metal or raising a lot of edge burrs tightly sandwich the metal between two layers of thin plywood.