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7.1 The Gas Tungsten Arc Welding Station
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The typical gas tungsten arc welding (GTAW) outfit will contain the following equipment and supplies:
  • An ac, dc, ac/dc arc welding power source.
  • Shielding gas supply.
  • A shielding gas regulator.
  • A gas flowmeter.
  • Shielding gas hoses and fittings.
  • Electrode lead, workpiece lead, and hoses.
  • A welding torch (electrode holder).
  • Tungsten electrodes.
  • Welding rods.
Optional accessories:
  • A water cooling system with hoses for heavy duty welding operations.
  • Foot-or finger-operated remote amperage control.
  • Arc timers.
Figure 7-1 shows a schematic drawing of a gas tungsten arc welding outfit.
Picture
​Figure 7-1
Figure 7-1. A diagram of a complete gas tungsten arc welding outfit.
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