Cutting Precision Holes In Light Sheet Metal

The process is accomplished through a shearing force that removes material from the sheet of metal leaving a square rectangle or another desired geometric design.

Cutting precision holes in light sheet metal.

In our test it cut through rebar like a hot knife through butter. You can cut mild steel up to about 3 8 in. Create a paper pattern of the size and shape of hole you wish to cut. For clean precise holes in thin sheet metal make a wood sandwich.

Hot metal chips will fly everywhere. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. Part 2 of 2. In larger holes use a deburring tool.

Such as straight cut snips left cut the right cut etc. Metal is difficult for saws to cut and rubbing wax along the blade helps prolong its sharpness. Cut metal with your circular saw. Apply a thin layer of paraffin or saw wax to the blade just enough to cover the surface before making any cuts in the metal.

Tin snips or aviation snips are one of the most widely used tools to cut sheet metals. Punching is a metal cutting process used to create cutouts and holes of various shapes sizes and dimensions in a metal sheet. Wax your saw blade before cutting sheet metal. Let s discover some awesome saws to cut a round hole in sheet metal.

Measure from the edges of the sheet metal to the point at which you wish to place the hole. The wooden bread layers of the sandwich keep the sheet metal flat and prevent the drill bit from wandering as it bores through the sheet metal. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. Some items cut clean and some create rough and sharp insides.

There are some cuts that you can do with decent tin snips. Thick using a ferrous metal cutting blade. In response to a question about h. Knockout punches circle cutters are also pretty famous for creating holes in metal sheets.

They look like scissors and work fine with sheet metals like brass aluminum tin steel etc. Open the snips all the way at the beginning of a cut and seat the sheet metal as deep as possible into the opening this provides you with maximum leverage. Smooth out the hole. For cutting out holes in sheet metal it s going to be necessary that you begin with a starter hole this can be formed by using the hammer and chisel method to punch through the metal.

Position the pattern on the sheet metal where the hole needs to go and draw a line around it using a permanent marker.