Gas metal arc welding (GMAW), sometimes
referred to by its subtypes metal inert gas (MIG) welding or metal active gas
(MAG) welding, is a welding process in which an electric arc forms between a
consumable wire electrode and the workpiece metal(s), which heats the workpiece
metal(s), causing them to melt, and join.
Along with the wire electrode, a shielding
gas feeds through the welding gun, which shields the process from contaminants
in the air. The process can be semi-automatic or automatic. A constant voltage,
direct current power source is most commonly used with GMAW, but constant
current systems, as well as alternating current, can be used. There are four
primary methods of metal transfer in GMAW, called globular, short-circuiting,
spray, and pulsed-spray, each of which has distinct properties and
corresponding advantages and limitations.
Tungsten is absolutely the electrode in
GMAW welding. Tungsten electrodes, including cerium tungsten electrode, lanthanum
tungsten electrode, thorium tungsten electrode, yttrium tungsten electrode,
pure tungsten electrode and composite tungsten electrode, are mostly widely
used.
The regular dimensions are(mm)
Ø1.6x150
Ø2.4x150
Ø3.2x150
Ø1.6x175
Ø2.4x175
Ø3.2x175
If there is any other question, please feel
free to contact Chinatungsten:
Email:sales@chinatungsten.com
Tel.:86 592 5129696
Fax:86 592 5129797
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