How To Cut Aluminum Sheet Metal Straight

Using your power tool ensure you re up against the straight edge and can follow along the. Use curve cutting snips to cut circles. Place the sheet metal on top of the workbench and lay out your pattern using a tape measure pencil and straightedge.

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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.

To cut the sheets of metal rathe. With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet. If your project requires curved cuts make an easy economical and adjustable. Punch a starter hole for a circular cutout with a straight blade screwdriver.

Clamp or hold a straightedge or square along the cutting marks and score a line with the tip of a sharp utility knife blade. Making a circular cutout in a duct is simple using the techniques shown in photos 5 and 6. 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. 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.

And you can use the same technique anytime you need a straight cut on aluminum or other light gauge sheet metal even steel. Using a straight edge clamped to the edge of the bench is also a good tip to cut thin metal precisely. 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.

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. Then bend the sheet back and forth a few times to snap it. 2 x research source. Put on a pair of work gloves before you wax the saw to protect your hands.

Pound on the back of the screwdriver with a hammer to puncture the metal and create an opening for the tin snips. Choose a saw with a tooth number of at least 24tip teeth per inch to ensure even cuts in the metal. Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal. Cutting straight lines with an electric saw.