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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Arc Welding 101: Achieving a good work lead connection

August 29, 2014

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Q: What makes a good ground connection, and why is it important? A: In a welding circuit, current needs to pass through as few connections as possible, and the circuit itself needs to be as short as is practical. On the positive (+) side for gas metal arc welding (GMAW), direct-current electrode...

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Fabricator delivers a big fish story

August 28, 2014

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Lou Rodriquez finds out he has a talent for creating metal art and ends up with a fish tale that is easy to believe because people can see the result: a huge metal sturgeon that’s the talk of Port Huron, Mich.

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Arc Welding 101: Reading between the lines of AWS D1.1

August 27, 2014

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Q: I am a weld inspector and one of my clients builds control panels. A potential customer of theirs requested that they conform to AWS D1.1 standards on a control panel. This seems odd to me. Can a company become AWS D1.1-certified? Is there a certain process they have to go through to become a...

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Consumables Corner: Choosing a filler metal supplier with critical welds in mind

August 25, 2014

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Q: What should we look for when choosing a filler metal supplier for critical welds, such as those in the power generation industry? A: For critical applications, you need to find a supplier with a long track record in understanding the needs, developing products, and creating solutions for that...

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Aluminum oil tank repair

August 21, 2014

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A welded aluminum oil tank extended the life of a Formula Ford, making it race-worthy again.

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Uniweld adds Google Translate to website

August 20, 2014

Uniweld Products Inc. has added Google Translate™ to its website at http://uniweld.com, allowing the site to be viewed in 80 languages. Visitors can select the drop-down menu located at the top right corner of the home page to select the language of their...

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New arc process helps improve welding efficiency

August 18, 2014

Fronius has introduced four new arc variants for the TPS/i GMAW power source platform: The LSC (low spatter control) Root and LSC Universal, based on a new algorithm, are characterized by increased arc stability and reduced spatter ejection, says the company. New welding parameters form the...

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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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