Plasma arc cutting is a process that uses an electric arc and high-velocity gas or air to cut metal. When gas or air is highly heated, it ionizes, becoming electrically charged plasma capable of conducting electrical current.
The torch holds the consumable electrode in a recessed chamber where gas is heated to plasma. The tip of the torch holds the constricting nozzle with an orifice for the arc and plasma to pass through. As the arc and gas pass through the orifice, they are constricted into a focused column that increases the […]