Tag: argon shielding
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Square Wave 205 TIG Cup Size Selection Guide: Standard Cup, Gas Lens, and Stickout Checks
For a Lincoln Square Wave 205 TIG setup, cup size controls how well argon shields the tungsten and weld puddle. Use a smaller cup when access is tight, amperage is low, and…
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Square Wave 205 TIG Gas Lens vs Standard Collet Body: When to Use Each Setup
On a Lincoln Square Wave 205, a gas lens is not an automatic upgrade for every TIG weld. Use a gas lens when you need smoother argon coverage, longer tungsten stickout, better…
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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…
