How To Cut Aluminum Sheet Metal Straight

With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet. 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. If your project requires curved cuts make an easy economical and adjustable.

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Place the fracture line over the edge of a table and bend the overhang slightly downwards.

How to cut aluminum sheet metal straight.

Place the sheet metal on top of the workbench and lay out your pattern using a tape measure pencil and straightedge. 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. 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. Choose a saw with a tooth number of at least 24tip teeth per inch to ensure even cuts in the metal.

Put on a pair of work gloves before you wax the saw to protect your hands. Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal. 2 x research source. Using your power tool ensure you re up against the straight edge and can follow along the.

Using a straight edge clamped to the edge of the bench is also a good tip to cut thin metal precisely. Cutting straight lines with an electric saw. This weakens the aluminium and creates a fracture line. Bench mounted tools such as shears or band saws cut aluminum sheet relatively slowly and with varying amounts of accuracy.