They do not generate any where near the heat of an angle grinder so melting of the metal is not a general concern.
Cutting aluminum sheet metal secrets.
To cut aluminum sheet metal fast and easily there is a unique way of using an olfa knife and a bending brake.
Place the fracture line over the edge of a table and bend the overhang slightly downwards.
With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet.
An air powered sheet metal nibbler or a nibbler head attached to a power drill can cut through galvanized corrugated aluminum sheet as well as flat sheet up to 16 gauge.
It s suitable for a small amount of aluminum cutting and hobbyists who want to cut aluminum sheets at home.
This method can reduce the number of strokes effectively and make very accurate long cuts only with a knife and bending brake.
To cut the sheets of metal rathe.
These tools move much faster than the hand powered version more about that later.
Noise sheet vibration and the finish edge quality are common draw backs of power shears.