How To Cut Round Covers With Sheet Metal
Metal is difficult for saws to cut and rubbing wax along the blade helps prolong its sharpness.
How to cut round covers with sheet metal. At first locate the center of the whole. Apart from hand nibbler there are electric nibbler drill powered nibbler and pneumatic nibblers and so on. Squeeze the handles to cut the metal along the guideline. 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.
Wax your saw blade before cutting sheet metal. You can cut mild steel up to about 3 8 in. Cut metal with your circular saw. Press the jaws of the snips down as firmly as you can then open up wide again.
Open the cutters as wide as you can at the start of each stroke and make long smooth strokes. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. This video demonstrates the proper use of sheet metal duct crimpers. The proper way the lap and install round sheet metal ducting the sheet metal kid channe.
If your project requires curved cuts make an easy economical and adjustable. Tired of getting fingers cut on sheet metal while using tin snips. Next use a compass to outline the edge of the hole. Lift the cutoff strip and roll it to the side to prevent it from binding on the tin snips handle.
Repeat this until you reach the end of the metal. Hot metal chips will fly everywhere. Check out this video. But you have to sacrifice with the cutting depth.
Get as much of the metal as you can with each stroke in order to make the cut as smooth and steady as possible. In our test it cut through rebar like a hot knife through butter. Put your ink to the use and mark the hole center. Now it s time to use that center punch.
The way of cutting sheets with nibbler is to cut punches out of a tiny metal sheet and repeat the process until you get your desired dimension. This will create dimples in the sheet. From round and square bar to base plates and gussets you ll find that we have not just a few pre cuts in stock but bins and bins of pre cut metal products all stored indoors and in prime condition. Long straight cuts are easier to make with large tin snips.
Use your center punch to strike at the center of the hole. Industrial metal supply is one of the only metal suppliers to offer pre cut pieces of steel aluminum and stainless.