Do it carefully and slowly to make sure you get the shape right.
Cutting aluminum sheet jigsaw.
In terms of blades you ll want to make sure that you have something with a lot of space between the teeth.
And you can use the same technique anytime you need a straight cut on aluminum or other light gauge sheet metal even steel.
Cutting sheet metal is slow work with a jigsaw and even more so if you are working with corrugated metal.
To cut the sheets of metal rathe.
Cut metal plate and pipe on low speed.
Cut through the sheet where you have put the marking.
Instead of pushing it forcefully slide the jigsaw slowly and allow it to eat through the sheet metal.
Use a jigsaw if circular cuts need to be made in the aluminum.
Sharp edges are present on the cut sheet metal so use a metal file or sandpaper to smooth the edges of your project.
Work slowly and methodically.
If your saw has variable speeds just consult the chart.
2 make precise cutting marks on.
For cutting sheet metal choose a finer blade with 21 to 24 teeth per inch.
Clamp or hold a straightedge or square along the cutting marks and score a line with the tip of a sharp utility knife blade.
For pattern cutting drill blade starter holes instead of making plunge cuts.
Slowly push the jigsaw forward following the cutting line.
Position the saw close to the side of the aluminum where you want to begin cutting.
If you are making a long cut you may need to apply cutting oil to the blade of the jigsaw to keep the blade cool.
The more teeth on the blade the smoother the cut will be.
Afterwards lower the blade approximately 0 39 inches 0 99 cm past the metal and guide the blade along the metal.
Install a metal cutting blade into a jigsaw.
To avoid shredding sheet metal or raising a lot of edge burrs tightly sandwich the metal between two layers of thin plywood.
Then bend the sheet back and forth a few times to snap it.
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.
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.
Use a 24 toothed blade or greater to cut through aluminum.