Plasma is superheated, compressed air that ionizes to form a conductive gas. This gas conducts electricity from the torch of the plasma cutter to the work piece, through a electrode and copper nozzle ...

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Plasma cutting uses hot jets of plasma to cut through a wide array of materials, especially those that are electrically conductive. With a watermelon or a steak, the results are a little less reliable ...

For consumable parts a typical shielded plasma torch has an electrode, a nozzle, and a shield. Many other torches are unshielded with an exposed nozzle and an electrode. The two consumable parts in ...