Tag: AC balance
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TIG Tungsten Balling Causes on AC Welding: Aluminum Setup, AC Balance, Amperage, and Electrode Choice
TIG tungsten balls on AC because the electrode is getting too hot at the tip. A small controlled ball can be normal on older transformer-style AC aluminum welding, especially with pure or…
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Square Wave 205 TIG Arc Wandering Causes: Tungsten, Gas, Ground, and AC Setup Checks
If a Lincoln Square Wave 205 TIG arc wanders, splits, flutters, or refuses to stay centered on the joint, start with tungsten condition and torch setup before blaming the machine. Arc wandering…
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Lincoln Square Wave 205 TIG Tungsten Contamination Troubleshooting
If the tungsten on a Lincoln Square Wave 205 turns black, balls unevenly, grows a dirty tip, spits into the puddle, or makes the TIG arc wander, stop and correct contamination before…
