Belajar las argon TIG

Learn the technique of TIG argon welding process

TIG Welding (Tungsten Inert Gas Welding) is a welding process that occurs using tungsten electrodes (nonconsumable tungsten), the welding area is protected (covered) by a cover made of gas (usually argon/helium gas or a combination of both), Argon is more often used in welding, because it is heavier than air and can produce a better welding area.

Tig Welding uses a constant current source, This ensures a relatively constant heat, The electrical polarity of TIG depends on the application, The two modes employed are positive and negative, Negatively charged electrode welding is used to weld steel, nickel, titanium and other metals, Positive electrode is used for shallow welds (less heat is generated on the workpiece).

There is also another mode – alternating current ( AC) . This mode switches between positive and negative polarity,Alternating active mode is used to weld aluminum and magnesium, It prevents overheating of the electrode while maintaining heat in the workpiece.

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