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What is tungsten welding electrode used for?

Views:8     Author:Site Editor     Publish Time: 2017-09-07      Origin:Site

  Tungsten electrode is used widely in TIG welding.The following is detailed application of tungsten welding electrode.

  Orbital TIG/tube welding

  To produce the high quality orbital fusion welds required of today's high tech industries, tungsten electrode shape is an important variable that must be kept consistent. Most orbital manufacturers require a precise tungsten length.

  Orbital TIG/pipe welding

  Orbital pipe welding application using TIG is primarily limited to the nuclear, pharmaceutical, and chemical processing industries. These industries, along with a few nomentioned, require X-ray perfect orbital pipe welds in the 125 amp - 300 amp current range.

  A consistently prepared electrode is required for consistent current flow and arc voltage characteristics.Most orbital pipe welders use 3/32 or 1/8 diameter electrodes. They also must be cut-to-length, however,not as precise as the orbital tube welder.

  Mechanized TIG welding

  Mechanized TIG welding encompasses a wide spectrum of applications such as precision bellows welding using .040 diameter tungsten electrode at 1.0 ampere up to high speed tube mills welding with a 0.250 diameter tungsten electrode using current as high as 600 amperes. A precise yet consistent electrode will have a dramatic effect in weld results and tungsten electrode life. Cutting the tungsten electrode is usually required if the electrode is grossly contaminated.

  Manual TIG welding

  Arc starting and arc stability from a consistently prepared tungsten electrode will be beneficial to the manual welder. Most hand welding 'FIG torches require a 7.0 long electrode be cut in half to fit the manual welding torch. This can be accomplished best with the diamond cutting mechanism described in this booklet.

  Manual &mechanized plasma arc welding

  The plasma arc welding process requires a very precisely shaped, tungsten electrode. The tip of the tungsten must be kept concentric to the diameter to place it in the correct position centered in the plasma torch. This is a critical parameter adjustment in plasma arc welding. Most plasma welding torches also require a cut-to-length tungsten electrode.

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