Understanding Plasma Cutters Diagram
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Plasma cutters work by sending pressurized gas through a small channel that contains a negatively charged electrode. Current passing from the electrode to the metal heats the gas until it reaches the fourth state of matter, plasma, which conducts electrical current and creates an arc, which does the cutting. Additional channels in the torch release a constant flow of shielding gas to control the radius of the plasma stream. View Related Article
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