Best Way To Cut Circle In Sheet Metal

It s meant for creating lightening holes of the type seen when building aircraft or maybe just toolboxes and furniture that are built like wwii fighter planes.

Best way to cut circle in sheet metal.

When cutting out a circle one or sometimes two cutting tools are rotated about a center point to. Hold the side of the metal sheet and put your snips around the edge. Such as straight cut snips left cut the right cut etc. You can use barkeepers powdered cleaner bon ami is similar or if you want to go all natural baking soda lemon juice and dish liquid work pretty good.

First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. Metal sheet nibbler cutter double head with circle cutting accessories drill attachment with wrench parts hole straight curve circle cutting metal shears 4 3 out of 5 stars 4 29 99 29. Draw your shapes you want to cut onto copper with pencil or a sharpie marker. Tin snips or aviation snips are one of the most widely used tools to cut sheet metals.

They look like scissors and work fine with sheet metals like brass aluminum tin steel etc. This will not only brace it to keep it in place but you ll be able to pull it up as you cut. Before you start cutting i would recommend taping couple of your major fingers. Straight cutting compound snips work best for cutting thick or doubled up sheet metal.

There are some cuts that you can do with decent tin snips. I guess i ve got holes on the brain lately as i am finishing up the hole wizard for the g wizard conversational cnc product. There are two ways to cut round ducts. Use your nondominant hand to hold the side of the metal.

They don t cut curves well. Hold the snips loose in your hand and place the two blades around the edge that you d like to cut.