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 ...

A plasma cutter looks similar to an arc welder, but instead of joining metals, the job here is to cut through them quickly and accurately. We’ve been looking at the technical aspects so we can help ...

Plasma cutters are a must-have for any metal shop and have been for years. Good cutters normally cost anywhere from $1,000 to $4,000, and have always been well worth the purchase when considering the ...