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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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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FAB 40: Merrill Fabricators’ welding school fuels local talent base

June 19, 2014

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Merrill Fabricators takes an innovative approach to the skilled labor crisis, by launching and growing its own welding school not only to fill its own ranks, but also to help grow the broader manufacturing community.

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Welding outfit tote allows easy access for regulator pressure adjustment

June 17, 2014

Uniweld offers the 511 Cart welding outfit tote. Designed to allow easy access for regulator pressure adjustment, it is equipped with a center-balanced handle for carrying. The tote includes a dedicated hose winder and large storage compartment for accessories on the front. Storage slots hold...

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No secret code for successful code welding

June 16, 2014

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Being a code welding shop with an ever-expanding customer base continuously challenges Andy J. Eagan Co. Inc., Grand Rapids, Mich. New customer projects and keeping on top of certification demands require a talented and dedicated workforce. As a result, that’s where the company puts a lot of its focus.

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Old-school welding techniques with new-school machines

June 12, 2014

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TIG welding thin material presents some challenges that can be addressed by tried-and-true techniques and newer welding technology.

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GMAW guns are custom-built by users

June 9, 2014

Bernard has announced the availability of Best of the Best (BTB) Platform GMAW guns. Users build the semiautomatic, air-cooled GMAW guns by choosing from an expanded list of features from the legacy Bernard Q-Gun™, S-Gun™, and T-Gun™ GMAW gun lines. The company has consolidated the top...

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GTAW outfit comes with hundreds of options

June 4, 2014

CK Worldwide Inc. offers the Professional TIG Outfit (PTO). According to the company, the outfit includes in one box everything users need to begin their welding process. Hundreds of options are available, giving users the GTAW torch of their choice, with power cables, DINSE connector, argon...

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Fronius USA, voestalpine Böhler Welding to host open house June 24

June 2, 2014

Fronius USA and voestalpine Böhler Welding will host an open house June 24 in Sparks, Nev. The company will offer live welding demonstrations and a product showcase highlighting its consumables and welding equipment. The event is free and space is limited. Two sessions are available. For...

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Arc Welding 101: When to use updated AWS D1.1

June 2, 2014

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Q: I currently use the AWS D1.1-2006 edition and was wondering if I should get the 2010 edition. Dan C. A: Take a look at Section 4.2.1 of your D1.1-06 edition, referred to as “Clause” in later editions. It states, “The use of earlier editions shall be prohibited for new...

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Inverter helps manufacturer achieve improved arc starts, arc control

June 2, 2014

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The welders at JATCO Environmental Inc., a manufacturer of steam-to-liquids condensers for natural gas extraction, had a problem with striking and maintaining a good arc. When the company switched from a rectifier-based unit to an inverter-based unit, the welders found that the arc starts and weld characteristics were greatly improved.

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Arc Welding 101: Oscillation during welding - Why?

May 30, 2014

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Q: What are the reasons to oscillate a weld process? Vince H. A: Oscillation helps a steelworker using electroslag to fabricate components for San Francisco’s Bank of America building; it helped to minimize the arm fatigue of a pipefitter as he built Louisiana’s River Bend nuclear power...

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Clamp-on weld heads expand orbital system for welding small-diameter pipe, tube

May 29, 2014

The Lincoln Electric Co. offers HELIX® C450 and C663 weld heads for welding various pipe and tube sizes. With these orbital GTAW clamp-on weld heads, operators not only can weld large diameters with no upper limit, they also can weld smaller tubes and pipes with ODs from 1.315 to 6.63 in. The weld...

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Tube cutting machine recycles heavy-wall weld coupons

May 27, 2014

The new CouponMASTER™ weld coupon machine from Tri Tool is suitable for use in union halls, colleges, and trade schools where high numbers of weld coupons are used in training and certification programs for welders qualifying with heavy-wall pipe. The unit reuses and recycles postwelded training...

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Courage over fear

May 26, 2014

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After trying her hand at various traditionally female-oriented careers, an Alabama woman, on a mission to provide the best life for herself and her newborn son, found courage to ask a shipyard for a job. That courage ultimately sparked a chain of events that led her to a fulfilling career.

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