How To Cut Thick Metal Sheet

Using a chisel and hammer is the most basic form of cutting sheet metal.

How to cut thick metal sheet.

Situate the metal under the blade and line the blade up with the cut line. Place the metal on a hard surface to score it and on long pieces do the bending with the score place along a sharp edge of a bench and if necessary clamp the fixed piece with a long piece of flat wood to prevent buckling the metal while bending it back and forth. I hope this reads sensibly. Choose a blade with 20 to 24 tpi teeth per inch for thin metal 10 to 18 tpi for medium thickness metal and about 8.

Set your saw to straight rather than oscillating if there s a choice. How to cut sheet metal method 1 of 4. 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.

Cutting straight lines with an electric saw. Choose between red blue or yellow snips based on the cut direction. 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. If you ve hit it hard enough the chisel will cut the sheet metal if it s thin enough.

To operate mark the cut line on the piece of sheet metal. Pull the handle down slowly with your hand and slice through the metal. Making detailed cuts with. Using tin snips for thin sheets.

Rubbing blocks of parrafin on the blade makes a decent dry lube. Never tried to cut any that thick but on a vertical bandsaw as stated coarse tpi set and slow enough speed where the material won t get soft and or expand a lot in the kerf. Here are a few tips for cutting metal with a recip saw. A lever fitted with a blade is pulled down over the place you want to cut.