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Plasma Cutting And Plasma Cutting Parts A Guide Plasma cutting came to light in the 1960s, out of plasma welding, and commenced as an effective process to slit metal sheets and plates in the 1980s. It had the edge over the conventional “metal against metal” cutting of producing no metal chips, giving perfect cuts, and producing a cleaner edge than Oxy-fuel cutting. What is a Plasma Cutter? Plasma Cutter slits down the metal by directing air or inert gas through the plasma torch, sparking an electric arc, and then forcing plasma through the torch tip to slit the metal. The plasma cutter curve can reach up to the temperature of 45000 degrees F, which turns it into one of the fastest ways to slice the metal. Plasma cutters come up with an on/off switch and amperage settings that regulate the power to use for cutting. www.altparts.com