Make sure to use a 60 tooth or more carbide tipped blade and wax the blade to ensure the cut is well lubricated.
How to precisely cut sheet metal.
Using tin snips for thin sheets.
However if you attempt to cut sheet metal with a top rated hacksaw follow these couple of tips rub some wax along with the blade of the hacksaw.
As discussed earlier cutting clearance is the straight line lateral distance between the edge of the punch and the edge of the die hole.
There are three tools that kevin caron uses a lot to get a precise cut from a thin piece of metal.
Jigsaws and metal cutting band saws are more work but can make most cuts in light to medium sheet metal.
Wax your saw blade before cutting sheet metal.
Another tool is a plate shear for cutting slightly.
Clearance is an important factor in the design of a sheet metal cutting process.
After cutting metal there s often a sharp edge left.
First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together.
The way the metal separates hence the cut will be largely determined by the clearance.
Straight cutting compound snips work best for cutting thick or doubled up sheet metal.
They don t cut curves well.
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.
Simply line up your chisel along the line you are going to cut and strike the back of it with a hammer.
Get a strip of masking tape from the top and bottom of the sheet metal.
A handheld cutting tool fitted with a metal cut off wheel will easily cut through sheet.
This way it won t create separate metal chips.
There are two ways to cut round ducts.
Making detailed cuts with.
How to cut sheet metal method 1 of 4.
One tool is a foot shear or a jump shear.
It might sound crazy but you can cut sheets of aluminum on a table saw.
I hope this reads sensibly.
If you ve hit it hard enough the chisel will cut the sheet metal if it s thin enough.
Using a chisel and hammer is the most basic form of cutting sheet metal.
Be sure to remove it.
