Tag: wire feed problems
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MIG Wire Not Feeding Smoothly
If your MIG wire is not feeding smoothly, the fault is usually in the feed path, not the power source. Start at the spool and work forward through the drive rolls, gun…
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Push-Pull Gun Wire Feeding Problems
Push-pull gun wire feeding problems are commonly caused by liner drag, incorrect drive roll tension, spool drag, feeder synchronization issues, and worn contact tips.
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Spool Gun Contact Tip Wear Symptoms
Spool gun contact tip wear symptoms include burnback, unstable arcs, erratic wire feed, spatter, aluminum sticking, and inconsistent weld performance.
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Push-Pull Gun Motor Overheating Causes and Troubleshooting
Push-pull gun motor overheating usually comes from wire-feed resistance, liner drag, incorrect drive roll tension, or duty cycle overload. Learn the common causes and fixes.
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Spool Gun Trigger Delay Troubleshooting
Troubleshoot spool gun trigger delay problems including startup lag, relay issues, intermittent trigger response, wire-feed hesitation, and feeder connection faults.
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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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Flux-Cored Wire Feeding Problems: Drive Rolls, Liner Drag, Burnback, and Birdnesting Fixes
Flux-cored wire feeding problems usually come from the wire path, not the voltage knob. If flux-core wire stutters, slips, birdnests, burns back into the contact tip, or feeds only when the gun…
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Lincoln POWER MIG Burnback Troubleshooting: Wire Sticking in the Contact Tip
If a Lincoln POWER MIG keeps burning the wire back into the contact tip, treat it as a wire-feed problem first, not just a voltage problem. Burnback happens when the arc melts…
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MIG Contact Tip Overheating Causes: Wire Drag, Short Stickout, Loose Tip, Duty Cycle, Ground, and Gun Setup
MIG contact tip overheating shows up as blue/purple discoloration, repeated burnback, wire sticking inside the tip, unstable arc, spatter welded to the tip face, loose consumables, or tips that fail after only…
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MIG Spool Gun Birdnesting Causes: Aluminum Wire Feed, Spool Tension, Drive Pressure, Contact Tip, and Gun Setup
MIG spool gun birdnesting happens when aluminum wire buckles, loops, or piles up inside the spool gun instead of feeding smoothly through the contact tip. The usual symptom is a stalled arc,…