Jason Start

Your car engine's water-cooling system has a lot in common with the cooling system in your plasma cutter: Both use water and coolant, a pump, cooling hoses, and a heat exchanger to remove energy from a heat source.

A trained plasma technician can tell a lot about the health of a plasma system if he learns how to inspect the electrode, understands normal wear patterns, and knows how to spot signs of trouble. This article shows the difference between good and bad wear in air and oxygen plasma systems.