Introduction to Orbital Welding
Orbital welding is a mechanized version of the tungsten inert gas arc welding (TIG) process and is used to weld stationary tube or pipe. The tungsten electrode contained in the weld head rotor rotates or "orbits" around the weld joint circumference.
The TIG process can be either a fusion (autogenous) process in which the edges of the weld joint are heated by the arc and fused together without the addition of filler material to the weld pool. Additionally, filler, usually in the form of a solid wire, can be added.
Example: Open-Frame OSW Weld Head
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