Cutting sheet metal is slow work with a jigsaw and even more so if you are working with corrugated metal.
Cutting aluminum sheet with jigsaw.
Position the saw close to the side of the aluminum where you want to begin cutting.
If your saw has variable speeds just consult the chart.
Work slowly and methodically.
When you re cutting aluminum on a band saw you ll want to crank the blade speed up to 250 feet per minute.
How to cut sheet steel using a jigsaw with a metal cutting blade.
The blade will be about 1 2 inch away from the aluminum.
Clamp a guide to your aluminum on both sides of your saw.
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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.
Do it carefully and slowly to make sure you get the shape right.
Afterwards lower the blade approximately 0 39 inches 0 99 cm past the metal and guide the blade along the metal.
Position the jigsaw at the point where the cut will begin.
Sharp edges are present on the cut sheet metal so use a metal file or sandpaper to smooth the edges of your project.
Instead of pushing it forcefully slide the jigsaw slowly and allow it to eat through the sheet metal.
Slowly push the jigsaw forward following the cutting line.
Use a jigsaw if circular cuts need to be made in the aluminum.