There s snapping blades metal chips flying and potential for the workpiece to catch the blade wrong and send it flying or at least vibrate violently.
Cutting aluminum sheet with scroll saw.
Therefore it is advised that harder metals should not be cut using a scroll saw.
Equipped with a metal cutting blade the scroll saw can cut soft metal such as copper silver brass and aluminum up to 1 8 thick as well as 1 8 brass rod.
I have cut some brass on the saw in a pinch but swore that i would never do it again.
You can use a scroll saw to cut through just about any type of metal including aluminum copper brass bronze and cold rolled steel.
If you must cut the aluminum use a fine toothed blade.
A scroll saw can be used to cut soft metal up to inches thick.
Should you wish to take on the challenge be sure to use the saw on a low speed setting and the blade is adequately lubricated.
If the hard metal is thicker than a quarter inch find another saw.
If you have a thicker metal you ll probably want to use a circular saw or bandsaw to make your cuts.
Harder metals should not be cut using a scroll saw.
If it s straight then use a compound mitre saw with a carbide blade goes though it like butter.
If you are absolutely dedicated to doing so use a slow speed setting make sure the blade is properly lubricated and feed the metal through the blade slowly.
You can get metal cutting blades for both.
Cutting 1 4 inch aluminum on a scroll saw would be pushing it but if you cut very slowly you should be able to do it.
However it is very difficult.
Work slowly as you feed the metal through the blade.
It is possible to cut harder metals with a scroll saw.
I would not cut 1 8 thick aluminum on a scroll saw unless it was a last ditch effort.
Sheets can be taped between pieces of 1 8 plywood to prevent burrs on the underside keep shavings under control and protect the saw table.