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AdvanceWeldingDefinition of tungsten arc welding

Definition of tungsten arc welding

Gas tungsten arc welding (GTAW) is a cycle wherein a blend of metals is delivered by warming them with an arc between a tungsten (non-consumable) terminal and the work. Gas tungsten arc welding is commonly finished with a solitary cathode, yet different terminals are some of the time utilized. Definition of tungsten arc welding is a common terms of soldering.

Definition and general Description of Definition of tungsten arc welding

The shielding of the electrode and weld zone is obtained from a gas or gas mixture. Filler metal could conceivably be added. Figure 01 shows the overall places of the GTAW light, the bend, the tungsten cathode, the gas shield, and the welding pole (wire) as it is being taken care of into the circular segment and weld pool. 
Gas tungsten arc welding
The welding pole direct is utilized uniquely for motorized or programmed welding. For manual welding, the pole is handheld. A support bar (as appeared) might possibly be utilized relying upon the joint plan. The gas tungsten arc welding process is sometimes called “TIG” (tungsten inert gas) welding but the preferred letter designation is GTAW.
The basic features of the equipment used for the process are shown in Fig 2. Definition of tungsten arc welding components required for GTAW are (1) the welding machine (power source), (2) the welding electrode holder and the tungsten electrode, and (3) the shielding gas supply and controls. Several optional accessories are available. These incorporate a foot rheostat which allows the welder to control flow while welding, water circling frameworks to cool the electrode holder, arc timers, and different frill which are portrayed later.Gas tungsten arc welding equipment arrangement.pngThe hot tungsten electrode and the weld metal will oxidize rapidly during welding if exposed to air. Therefore, the shielding gas must be chiefly inert consisting of helium, argon, or a mixture that will protect both the electrode and the weld pool from oxidation.

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