Slitting usually produces a burr.
Cutting a straight line in sheet metal.
Recently it clicked in my head to utilize an old trick when making straight cuts with a plasma cutter.
Slitting is a shearing process in which the sheet metal is cut by two opposing circular blades like a can opener.
Cutting straight lines with an electric saw 1.
Apply masking tape to both sides of the sheet metal directly over the.
The easiest way to straight cut metal sheet.
This may be a no brainer to most of you but i had to do a lot of repetitive cutting of sheet steel and was looking for the fastest way to do it.
A nibbler is an electric metal cutter used to cut sheet metal in any direction.
Clamp or hold a straightedge or square along the cutting marks and score a line with the tip of a sharp utility knife blade.
A metal bender works like a hand held clamp and grabs onto a point of a metal surface that you want to bend.
Tape the sheet metal and secure it in place.
Make long strokes for long straight cuts.
Metal is difficult for saws to cut and rubbing wax along the blade.
An well known trick when cutting with your plasma cutter is to clamp a metal straight edge to the metal so the arc is directly over your cut line.
Wax your saw blade before cutting sheet metal.
Clamp the straight edge on a something you don t care much about to hold it in position other wise it will walk around on you and screw up your cut.
This way you can simply press the edge of the torch cup against the straight edge and slowly make a straight cut.
In this video you ll see how to build a straight cutting angle grinder jig.
Then bend the sheet back and forth a few times to snap it.
If your project requires cutting a hole in the center of sheet metal draw it on the metal as you would any other cut line.
Long straight cuts are easier to make with large tin snips.
I have been trying to do it in the s.
Just light scoring cuts then it will snap off at the line you scored.
Slitting can be performed in a straight line or on a curved path.
It will take a few bunch of passes per cut at least so be patient and thorough.
The circular sheet metal cutters can be driven or the work may be pulled through idle cutters.
Open the cutters as wide as you can at the start of each stroke and make long smooth strokes.
Its adjustable head allows it to cut straight lines curves or circles.
I could never get a perfectly straight line when cutting longer cuts on sheet metal.
