PRODUCT

HYPERTHERM TORCH COOLANT SOLUTION 1GAL

HYPERTHERM TORCH COOLANT SOLUTION 1GAL

HYPERTHERM TORCH COOLANT SOLUTION 1GAL

HYPERTHERM TORCH COOLANT SOLUTION 1GAL
Plasma Coolant Solution 70/30
P/N: 028872
HYPERTHERM TORCH COOLANT SOLUTION 1GAL
Plasma Coolant Solution 70/30 
P/N: 028872
 

How to troubleshoot repair and maintain PAC cooling system components

Water-cooling systems for plasma cutters are very similar to those used in automobile engines: both use water and coolant, a pump, cooling hoses, and a heat exchanger to remove energy from a heat source. In an automobile, the heat source is the combustion chamber inside the engine, which operates at temperatures in excess of 2000°F. In a plasma torch the heat source is the plasma chamber inside the torch where the temperature of the arc can exceed 20,000°F!

A plasma torch, like an engine, is cooled by a combination of radiation, convection, and conduction. Energy radiates from the arc in the form of intense ultraviolet rays. Heat convects away from the torch and torch parts through moving gas or air. And finally the water-cooling system conducts heat away from the torch parts into the coolant.

What happens when conductive cooling is reduced because of a problem with a component in the cooling system? The system overheats rapidly. Anyone who has overheated an automobile knows the

inconvenience of being stranded on the side of the road with a steaming vehicle and the expense of cascading repairs that typically follows such as new radiators, hoses, head gasket or even engine block. When the plasma system overheats it will also cost you time and money. An overheating plasma system will wear out torch parts quickly and eventually may burn out the torch and leads. If the problem goes uncorrected, a motor and pump may have to be replaced. But the downtime and expense of overheating can be avoided. Understanding the system and its components will help you troubleshoot problems when they occur and prevent future failures through preventative maintenance.

The cooling system

A typical PAC cooling system consists of a torch, motor, pump, cooling lines, flow switch, filter, heat exchanger and reservoir. This article will go over each of these components and describe common