Welding Techniques


TIG welding is used in sites where the appearance, quality and cleanness of the weld are important. This presents special requirements for the accuracy of the welding job. Additionally, TIG welding is more demanding because there are more issues to control in this welding technique than in the other techniques. In TIG welding, the torch is moved with one arm while the other feeds the filler material to the molten weld. A TIG welder must, therefore, accurately control both arms and one cannot be used for supporting the torch as in MIG/MAG welding.

These special requirements make TIG welding more difficult particularly in the beginning. However, the arms will soon adjust to the paths of motion required in welding and TIG welding becomes routine. Yet, demanding TIG welding is usually done by a welder who specialises in TIG welding.

TIG welding is done with a pushing torch motion. The filler can be fed into the weld either drop by drop or continuously, keeping the filler wire constantly in the molten weld.
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Welding Techniques