How To Cut Sheet Metal Smoothly

The circular sheet metal cutters can be driven or the work may be pulled through idle cutters.

How to cut sheet metal smoothly.

Use curve cutting snips to cut circles. Install one of the cutoff cutters. Loosen up the drill head with the provided wrench. Cut small holes up to about 2 inches in diameter with a hole saw and a portable drill.

It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. A handheld cutting tool fitted with a metal cut off wheel will easily cut through sheet. Punch a starter hole for a circular cutout with a straight blade screwdriver. Choose between red blue or yellow snips based on the cut direction.

Align the tool s blade with your pattern line the. Hold the tool tight. Mark the cut line with adhesive tape and draw your cut lines. Thick using a ferrous metal cutting blade.

Place the dremel cutter on the cutting line perpendicularly to the sheet metal. A soft wood backer will allow for the chisel to pass through more easily by providing support for the metal. Using tin snips for thin sheets. Making detailed cuts with.

Place the chisel edge or screwdriver tip inside the marked cutout and tap it with a hammer to pierce the metal and make a short gash. Pound on the back of the screwdriver with a hammer to puncture the metal and create an opening for the tin snips. Hot metal chips will fly everywhere. Cut metal with your circular saw.

How to cut sheet metal method 1 of 4. Making a circular cutout in a duct is simple using the techniques shown in photos 5 and 6. Cutting straight lines with an electric saw. At the beginning of each cut it is important to open the tool completely and seat the edge of the sheet metal as deep as possible in the jaws.

Slitting usually produces a burr. If you ve hit it hard enough the chisel will cut the sheet metal if it s thin enough. Simply line up your chisel along the line you are going to cut and strike the back of it with a hammer. Wax your saw blade before cutting sheet metal.

Jigsaws and metal cutting band saws are more work but can make most cuts in light to medium sheet metal. Work the jaw of your snips into the gash to begin the cutout. Slitting is a shearing process in which the sheet metal is cut by two opposing circular blades like a can opener.