Arc WeldingProcess:
The gas tungsten arc welding process heats and melts the materials to be welded with an electric arc established between a tungsten electrode and the workpiece. Using proper fixturing and parameters, the process can be used for micro-welding applications where heat input needs to be minimized. Used in the continuous arc or pulsed arc mode. Arc energy is not as concentrated as a laser and thus heat input is higher to the workpiece.

0.030" thick disc GTA welded to housing

Cross section of 0.030" disc to housing

Advantages:
- Less expensive equipment and simpler process compared to laser welding.
- Reduced weld crack sensitivity compared to other welding processes.
- Part fit up is not as critical as other welding processes.

Materials That Have Been Gas Tungsten Arc Welded:
Stainless steel alloys, hastelloy alloys, inconel alloys, and steel alloys.

Additional Capabilities:
A filler wire system which automatically feeds 0.015"- 0.045" diameter filler has been coupled to one of the automated systems. Inert box capability also.

Gas Tungsten Arc Welding Equipment:
- Two fully automated, 100amp, continuous/pulsed arc systems each coupled to a welding lathe for part rotation with automated electronic positioning of the electrode spacing to the workpiece.
- One manual, 100 amp, continuous/pulsed arc system.

Precision Joining Technologies, P.O. Box 531, Miamisburg, OH 45343-0531
Ph (937)865-4051 FAX (937)865-3666

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