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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Welding curtain protects, enhances vision

October 9, 2007

The Spectra Orange See-Thru Curtain™ from Wilson Industries filters both welding arc images and all far UV radiation and blue light, while transmitting outside light into the welding booth to...

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Hobart Brothers celebrates 90th anniversary

October 9, 2007

Hobart Brothers, Troy, Ohio, a manufacturer of welding filler metals, industrial systems, components, and consumables, celebrated its 90th anniversary in September.The company held a luncheon with its...

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FABTECH Intl. & AWS Welding Show returns to Chicago

October 9, 2007

The 2007 FABTECH® International & AWS Welding Show, the largest North American showcase of metal forming, fabricating, stamping, tube and pipe, and welding equipment and technology, will return to...

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Orbitally welded stainless steel

Orbital welding of stainless steel pipe for water systems

October 9, 2007

Needing to provide a product line with standard, repeatable, and interchangeable components, American Water Technology, a manufacturer of water treatment systems, integrated stainless steel tubing and orbital welding.

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Thermadyne names marketing manager

September 11, 2007

Thermadyne Industries Inc., St. Louis, a manufacturer of cutting and welding products and accessories, has named Tom Wermert as marketing manager for Americas Arc Welding.Wermert has served as the...

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Console control displays welder's location in weld process

September 11, 2007

Thermatool Corp.'s HAZ Control Technology™ displays the combined effects of weld power, frequency, V length, impeder function, and wall thickness on the operator console. Designed to provide...

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Flux-cored wires suitable for less experienced welders

September 11, 2007

ESAB Welding & Cutting Products has introduced the Dual Shield X series of flux-cored wires. The wires are designed to be more forgiving than traditional flux-cored wires and are suitable for less...

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Welding power supply works in both EN, EP modes

September 11, 2007

OTC Daihen Inc. has introduced the DL350 low-spatter, low-input-heat, digital inverter welding power supply. Designed for use with the Daihen AX series robots, the power supply welds in both EN and EP...

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AWS establishes largest original section-endowed scholarship

September 11, 2007

The American Welding Society (AWS), Miami, and the AWS Foundation have announced the establishment of the largest original section-endowed scholarship in the society's history. The Lou DeFreitas...

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Hobart offers welding prep course, certified supervisor exam

September 11, 2007

Hobart Institute of Welding Technology, Troy, Ohio, offers the one-week course Preparation for the AWS Certified Welding Supervisor Examination. The class begins Sept. 24 and will be offered again...

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Superior Joining celebrates 15th anniversary

September 11, 2007

Superior Joining Technologies Inc., Machesney Park, Ill., celebrated its 15th anniversary with a luncheon that included staff, friends of the company, former employees, suppliers, and service...

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Barnes Aerospace expands operations

September 11, 2007

Barnes Aerospace, Windsor, Conn., a division of Barnes Group Inc., has expanded its large fabrication operations in Ogden, Utah, with a 120,000-sq.-ft. manufacturing facility that will produce...

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Arc Welding 101: Don't underestimate welding vocab

September 11, 2007

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Q: I was recently involved in a discussion about a joint discontinuity. We were trying to determine whether it could be considered undercut or underfill. The weld did not fill the butt joint for the entire V-groove length. Some guys classified the melted-away edge of the joint as undercut; I...

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Bernard Welder Image

Great welds need the right gas

August 22, 2007

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Using an inappropriate gas mixture and consumables for a particular GMAW application can cause porosity and excessive spatter, factors that diminish weld quality. Which gases work best with which materials? Why is nozzle selection important? This article addresses these and other questions about GMAW gas and consumables.

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Wave forms diagram

Gaining control of resistance welding

August 8, 2007

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By providing time-based waveform data on current, voltage, resistance, power, force, and displacement—as well as peak and RMS values—external weld monitors are able to provide the necessary data that can be used to understand, optimize, and benchmark the resistance welding process and verify accompanying equipment

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