Welding guides
Parts, troubleshooting, equipment, and life in the trade. Browse by topic or search below.
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Aluminum Spool Gun Burnback Causes
Aluminum spool gun burnback is commonly caused by low wire-feed speed, worn contact tips, poor grounding, drive roll slippage, or trigger startup delay.
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Oxy-Fuel Hose Leak Inspection Guide
Step-by-step oxy-fuel hose leak inspection guide covering fittings, regulators, flashback arrestors, torch inlets, hose damage, leak testing, and replacement mistakes.
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MIG Gun Liner Feeding Problems: Troubleshooting Birdnesting, Burnback, and Wire Drag
Troubleshoot MIG gun liner problems causing birdnesting, burnback, wire drag, and drive-roll slipping before replacing feeder components.
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Welding Cable Connector Compatibility Guide (DINSE, Tweco, Camlock & Stud Types)
Welding cable connectors are one of the most commonly mismatched components in welding setups. Connector size, amperage rating, cable gauge, polarity configuration, and machine-side receptacle type all affect compatibility. Using the wrong…
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Erratic MIG Wire Feeding: Troubleshooting Guide
Erratic MIG wire feeding usually starts in the wire path, not the voltage knob. Before changing weld settings, check the contact tip, liner, drive rolls, spool brake, gun lead position, and wire…
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6011 Rod Penetration Problems Troubleshooting: Polarity, Amperage, Arc Length, and Technique Fixes
6011 rod penetration problems usually come from low amperage, wrong polarity, weak AC output, long arc length, poor work lead connection, fast travel speed, electrode diameter mismatch, or poor joint preparation. E6011…
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MIG Wire Shaving Inside Liner Causes: Drive Roll Pressure, Wrong Groove, and Feed Path Fixes
MIG wire shaving inside the liner is caused by mechanical damage to the wire before or during feed. The most common causes are too much drive-roll pressure, wrong drive-roll groove, worn or…
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MIG Drive Roll Alignment Troubleshooting: Wire Shaving, Slipping, and Feed Path Fixes
MIG drive roll alignment problems show up as wire shaving, slipping, chirping, birdnesting, flat spots on the wire, uneven arc sound, burnback, and feed that improves only when the gun cable is…
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MIG Gas Nozzle Overheating Causes: Spatter Buildup, Short Stickout, Duty Cycle, and Front-End Fixes
A MIG gas nozzle overheats when the front end is absorbing more heat than it can shed. The common causes are short stickout, excessive amperage for the gun/nozzle, clogged nozzle or diffuser,…
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MIG Weld Cold Lap Troubleshooting: Lack of Fusion, Low Heat, and Travel-Speed Fixes
MIG cold lap is a lack-of-fusion defect where weld metal rolls onto the base metal without properly tying in. It usually comes from too little heat at the joint, travel speed that…