What is plasma cutting?
Imagine being able to draw
with FIRE.
That’s what plasma cutting is like. It's like having a super-powered fire pen that lets us draw on metal paper. Using a plasma cutter transforms metal into art so precisely that it feels almost magical.
Once the design is approved, it is converted into a computer language called “g-code”. Once the g-code has been generated, the program is verified to ensure all cuts are programmed correctly and there are no errors on the cut paths.
This g-code is sent by computer to the CNC (Computer numerical control) plasma cutter. Now this is where the fun starts, you can see the cut process on the video clip.
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​Here's how it works: a stream of gas, like nitrogen – oxygen – argon - or even just air, is forced through a very narrow nozzle while an electric current is applied. This combination of gas and electricity creates a highly charged particle stream, or plasma arc. This plasma arc becomes so hot (over 36,000°F) that it can effortlessly melt through metal.
When the plasma arc touches the metal, it doesn't just melt it; it also blows away the molten bits, leaving behind a clean, sharp edge. This process allows us to cut through metal with incredible detail, turning raw materials into intricate designs, personalized signs, and stunning art forms.
After the cutting is complete, it is on its way to being a beautiful piece of art. Before that can happen, it must be cleaned up. When the plasma art cuts, it leaves some molten metal on the back side called slag. This is removed using a chisel or a flap disk sanding wheel.