Welding guides
Parts, troubleshooting, equipment, and life in the trade. Browse by topic or search below.
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MIG Birdnesting Causes and Fixes: Wire Feed Jam Diagnosis
MIG birdnesting happens when the feeder pushes wire but the wire cannot move cleanly through the gun, liner, contact tip, or drive-roll path. The wire backs up at the feeder and tangles…
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Miller Multimatic 220 AC/DC Support Guide: Consumables, Setup, and Common Failure Points
The Miller Multimatic 220 AC/DC is a multi-process inverter welder supporting MIG, Flux-Cored, DC Stick, DC TIG, and AC TIG welding. Its portability and broad process capability make it common in fabrication…
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Handheld Laser Welder Setup and Safety Checks Before You Buy
A handheld laser welder is not a direct replacement for MIG or TIG unless the shop can control fit-up, shielding gas, laser safety, operator training, and reflective-beam risk. The fastest wrong purchase…
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Miller Diversion 180 vs Lincoln Square Wave 205: TIG Welder Comparison for AC/DC Aluminum, Steel, and Shop Repair
The Lincoln Square Wave 205 is the stronger choice if you want more TIG output, built-in Stick capability, pulse, AC frequency, and AC balance control. The Miller Diversion 180 is simpler and…
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Miller Gas Engine Drive Selection Guide: Bobcat 265 vs Trailblazer 330 vs Big Blue 400 Pro
Choose a Miller gas engine drive by the weld process, amperage demand, auxiliary generator load, and jobsite mobility requirement. For most service trucks, farm repair, field stick work, light MIG/flux-core with a…
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Lincoln Welder Selector: How to Choose the Right Lincoln Machine Before Ordering Parts or Consumables
The fastest way to use a Lincoln welder selector is to start with the job, not the machine name. Confirm the welding process, base metal, input power, wire or electrode size, material…
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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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Welding Helmet Replacement Parts: Lens, Headgear, Shell, Battery, and ADF Fitment Guide
If a welding helmet is hard to see through, will not stay up, flickers, fails to darken, or feels loose on the head, the repair usually starts with replacement parts—not a new…
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Plasma Consumable Compatibility: How to Verify Torch Parts Before Ordering
Plasma consumables are not universal. A nozzle, electrode, swirl ring, shield, retaining cap, spacer, or gouging tip must match the torch series first, then the amperage/process setup. The most common wrong-part mistake…