Tag: tungsten grinding
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TIG Tungsten Contamination Troubleshooting: Black Specks, Arc Wander, Dirty Starts, and Re-Grind Checks
TIG tungsten contamination usually comes from one of five places: the tungsten touched the puddle, the filler rod hit the electrode, shielding gas was interrupted, the tungsten was ground on a dirty…
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Why TIG Tungsten Turns Black Even When the Weld Looks Clean
TIG tungsten turning black is usually a shielding problem, not a mystery tungsten problem. The weld may still look acceptable at first, but a darkened electrode, unstable arc, dull bead edge, or…
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How to Reduce TIG Tungsten Grinding Dust in a Small Shop
TIG welding often depends on a clean, consistent tungsten point. The problem is that grinding tungsten electrodes can create fine dust, especially when older 2% thoriated tungsten is used. A simple shop…