And you can use the same technique anytime you need a straight cut on aluminum or other light gauge sheet metal even steel.
How do you cut aluminum sheet metal.
Then bend the sheet back and forth a few times to snap it.
This makes it easier for your chisel to get into your aluminum s hardened grains of 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.
You can cut corrugated metal both parallel to the ridges as well as across the ridges.
2 x research source.
Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal.
You should be able to cut your aluminum metal piece within 30 seconds.
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.
This weakens the aluminium and creates a fracture line.
Put on a pair of work gloves before you wax the saw to protect your hands.
Place the fracture line over the edge of a table and bend the overhang slightly downwards.
Clamp or hold a straightedge or square along the cutting marks and score a line with the tip of a sharp utility knife blade.
With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet.
Cutting straight lines with an electric saw.
Anything longer and you re probably using the wrong sized chisel or you need to use a saw.
Choose a saw with a tooth number of at least 24tip teeth per inch to ensure even cuts in the metal.
To cut the sheets of metal rathe.