Welding 101
37 articles
Why Does CO₂ Cause More Spatter in MIG Welding?
Pure CO₂ usually produces more spatter in MIG welding than an argon/CO₂ mix, even when the settings are correct. This article covers how CO₂ affects arc behavior, why short-circuit and globular transfer throw off molten metal, and how argon blends reduce spatter.
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Is Welding Dangerous?
Welding risks extend beyond sparks and hot metal. This article covers fumes, arc radiation, electric shock, fire, and hazards during cleanup. Learn how training, fume control, and protective gear reduce risk, and which jobs require qualified professionals.
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Can You Weld Painted Metal?
Welding through paint can leave a joint weaker than it looks. This article explains the effects on weld quality, the fume and fire hazards, and how much paint to remove. It covers hidden coatings behind or between parts and precautions for older or unknown paint.
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How to Read a Weld Puddle: A Beginner Guide
Learn how to read a weld puddle by watching its leading edge, sides, width, and movement. This beginner guide explains what a good puddle looks like, what common changes mean, and how to adjust travel speed, angle, arc length, or stickout across four common welding processes.
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Can Welding Goggles Be Used as Sunglasses?
Welding goggles should not replace sunglasses, even though their dark lenses may look similar. They are built to protect against intense arc radiation, which can make ordinary outdoor vision uncomfortably dark and potentially unsafe for daily activities.
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Can a Generator Run a Welder? Complete Generator Guide Welding
A generator can run a welder, but only when its output matches the machine’s electrical demands. This guide explains how to choose the right generator size, prevent unstable arcs and equipment damage, and weld safely wherever grid power is unavailable.
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What Is Travel Speed in Welding?
Travel speed in welding affects bead shape, fusion, penetration, heat input, and distortion. Learn how to calculate it and identify signs of moving too fast or too slowly. Adjust your MIG, TIG, or stick technique to produce cleaner, more consistent welds.
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Best Tungsten Electrode for TIG Welding Aluminum
Choosing the right tungsten electrode can make aluminum TIG welding easier to control. Learn how to choose, prepare, and size tungsten electrodes for TIG welding aluminum.
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MIG Gun Parts Explained: A Guide to MIG Torch Components
A MIG gun, also called a MIG torch, delivers wire, current, and shielding gas to the weld. Learn how MIG gun parts work together, how worn components cause common welding problems, and what to check before replacing a part or choosing a gun for your welder.
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