Use a jigsaw if circular cuts need to be made in the aluminum.
Cutting aluminum sheet with jigsaw.
When you re cutting aluminum on a band saw you ll want to crank the blade speed up to 250 feet per minute.
Position the shoe or base plate of the saw flat on the surface to be cut.
Position the saw close to the side of the aluminum where you want to begin cutting.
How to cut sheet steel using a jigsaw with a metal cutting blade.
Slowly push the jigsaw forward following the cutting line.
Instead of pushing it forcefully slide the jigsaw slowly and allow it to eat through the sheet metal.
Sharp edges are present on the cut sheet metal so use a metal file or sandpaper to smooth the edges of your project.
Cut through the sheet where you have put the marking.
Clamp a guide to your aluminum on both sides of your saw.
The blade will be about 1 2 inch away from the aluminum.
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.
Usually it s a matter of moving a belt to a different sized pulley.
If your saw has variable speeds just consult the chart.
In terms of blades you ll want to make sure that you have something with a lot of space between the teeth.
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Afterwards lower the blade approximately 0 39 inches 0 99 cm past the metal and guide the blade along the metal.
Cutting sheet metal is slow work with a jigsaw and even more so if you are working with corrugated metal.