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Cooling system
From GAWDAwiki
Cooling systems are necessary in welding to prevent torches and consumables from overheating and to protect the welder from injury. There are two cooling methods available: air-cooled systems and water-cooled systems. The benefits and disadvantages of each method apply to both MIG and TIG welding techniques.
Air-Cooled vs. Water-Cooled Systems
Air-cooled torches dissipate heat using ambient air and shielding gases. Water-cooled systems require independent radiator cooling systems and extra hoses to circulate water, ambient air and shielding gases, and dissipate heat. Air-cooled torches’ power cables contain more copper than those of water-cooled torches; this helps prevent melting or burning of cable insulation, but makes them heavier and less flexible than their water-cooled counterparts. However, the simple design of air-cooled systems makes them easier to assemble, operate, maintain and transport.[1]
