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GTAW weld area. Manual gas tungsten arc welding is a relatively difficult welding method, due to the coordination required by the welder. Similar to torch welding, GTAW normally requires two hands, since most applications require that the welder manually feed a filler metal into the weld area with one hand while manipulating the welding torch in the other.
Qualification test of welders — Fusion welding, parts 1 to 5 ISO 9692-1: Welding and allied processes. Recommendations for joint preparation. Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steels ISO 9692-2: Welding and allied processes. Joint preparation. Submerged arc welding of steels ...
Cary, Howard B. and Scott C. Helzer (2005). Modern Welding Technology. Upper Saddle River, New Jersey: Pearson Education. ISBN 0-13-113029-3. Lincoln Electric (1994). The Procedure Handbook of Arc Welding. Cleveland: Lincoln Electric. ISBN 99949-25-82-2.
Electron-beam welder. Many welder types have been designed, differing in construction, working space volume, workpiece manipulators, and beam power. Electron-beam generators (electron guns) designed for welding applications can supply beams with power ranging from a few watts up to some one hundred kilowatts.
A welder is a person or equipment that fuses materials together. The term welder refers to the operator, the machine is referred to as the welding power supply . The materials to be joined can be metals (such as steel , aluminum , brass , stainless steel etc.) or varieties of plastic or polymer .