Arc Welding

The arc welding technology area focuses on the most commonly used arc welding processes, mainly GMAW/MIG, GTAW/TIG, SMAW/stick, and plasma. The articles and press releases cover processes and power sources, plus all of the related items—electrodes and wire, wire feeders, fixtures, manipulators, positioners, and power sources. If you need information on personal protective gear, ventilation systems, and safety practices for welders, see our Safety coverage area.

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TIG welding: When looks matter

August 18, 2014

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Every GTAW bead tells a story. Learn how to identify what your weld bead says and make adjustments to amperage, travel speed, and consumables to ensure your GTAW bead tells the story you want it to.

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Saving a stool and a memory

August 7, 2014

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Some things simply can’t be replaced. That’s when repair welding really comes in handy.

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Wireless foot control installs quickly on welding equipment

July 31, 2014

Linemaster has introduced the Varior RF wireless foot control, a plug-and-go system that is compatible with brand-name welding equipment. The foot pedal operates on three AA batteries, offering 4,000 hours of battery life and 90 ft. of range. The compact receiver plugs into the piece of...

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Lincoln Electric appoints VP, deputy general counsel

July 30, 2014

The Lincoln Electric Co., a subsidiary of Lincoln Electric Holdings Inc., Cleveland, has named Jennifer Ansberry as vice president, deputy general counsel. Ansberry's role as deputy general counsel has been extended to include leadership of the company's environmental, health, and safety (EH&S)...

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Colors in welds and what they mean

July 24, 2014

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The variety of colors that can occur in welds might surprise you. Sometimes they are desirable and sometimes not. It all depends on the material, the industry, and the application.

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Power sources, interface controls designed for SAW, ESW

July 23, 2014

Miller Electric Mfg. Co.’s new SubArc Digital series of power sources, interface controls, and accessories includes digital control and communication electronics designed to help improve weld performance and simplify equipment integration in advanced applications. The product line includes...

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Success breeds success as hardbanding service provider evolves into equipment vendor

July 21, 2014

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When Dave Milo set out to build a portable hardbanding unit, the former trucking company owner knew little about welding and nothing about hardbanding. After updating the hardbanding unit design a few times with consulting help from Lincoln Electric, Milo thinks he’s ready to change direction. Rather than providing hardbanding services, his goal is to sell hardbanding machines.

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Victor announces 2014 student cutting and welding contest

July 16, 2014

Victor Technologies™, St. Louis, will award more than $30,000 in equipment and cash prizes as part of its 2014 “A Cut Above” student contest. The contest is open to students in cutting, welding, and related programs at secondary and postsecondary schools. Three beginner students will each...

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ESAB website landing page highlights iconic welding projects

July 16, 2014

ESAB Welding & Cutting Products, Florence, S.C., showcases its most iconic welding and cutting projects with the launch of its “Iconic Stories” landing page at www.esab.com/iconic. The landing page uses video to demonstrate how ESAB is at the core of projects around the globe, from sports...

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Training your off hand for TIG welding

July 10, 2014

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"The world has enough one-handed welders."

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Stud welder runs on 120-V, single-phase power

July 10, 2014

Nelson Stud Welding has introduced the N550c Arc Charger. Its input charger system converts the 120-V wall outlet power into digitally controlled stored energy for welding studs up to 0.375 in. dia. The portable unit can run off a small 5-kW generator, allowing fastening in remote places. Its...

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Hope dies last

July 9, 2014

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A hard-nosed welding instructor at a medium-security prison in rural North Carolina gives his students discipline, confidence, a foot in the door to a trade, and the possibility for a new life upon release.

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Consumables for high-amperage welding

July 7, 2014

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High-amperage welding, whether in semiautomatic or robotic applications, pust a great amount of stress on welding consumables. By following a few tips, however, a welder can extend the life of these components.

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How do you get those weaved welds?

June 26, 2014

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Here’s a topic that I get asked about more than any other: “How do you get those weaved welds?” These days I rarely (occasionally, but not often) encounter the need to weave, but it’s fun, it looks rad, and it’s nice to stay sharp. DISCLAIMER: I'm not a boilermaker, and I'm not a...

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Variation of hot-wire GTAW combines two arcs into one

June 24, 2014

TIGer technology from Polysoude is a variant of hot-wire GTAW. The basic principle involves the juxtaposition of two GTAW arcs, organized and controlled to combine into one single arc with the calorific value of the combination of both powers, but with characteristics that are unusual for such...

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