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 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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Correct Roll Feed Pressure

Ensure good feeding with FCAW electrodes

August 8, 2007

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The FCAW process in the United States is currently estimated at more than 245 million pounds a year and still growing in popularity and use in all segments of the welding industry. One of the common issues often portrayed as a wire problem, commonly referred to as "birdnesting," is actually due to...

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Antispatter sprayer is refillable, rechargeable

August 7, 2007

The Wizard Shield™ metal-protectant spray can from ELCo Inc. is a refillable and rechargeable sprayer that applies the company's Blue Magic™ or Blue Chill™ welding antispatter...

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Covered electrode welds nickel-copper alloys

August 7, 2007

Arcos Industries LLC offers 9N10, a covered electrode used primarily to weld nickel-copper alloys to themselves and to steel. It is also used for cladding steel joints with nickel-copper alloy and for...

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GMAW work space system provides organization

August 7, 2007

The Bottle Bug from Western Fabricators is a storage system designed to help welders organize GMAW machines and surrounding work space.The laser-cut system, formed from 10-ga. steel, includes a...

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Harris Products Group creates scholarship in honor of retiree

August 7, 2007

The Harris Products Group, Gainesville, Ga., has established a scholarship in honor of Larry Schweikert, who recently retired after 32 years with the company. The Larry and Patti Schweikert...

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BTD Manufacturing acquires Pro Engineering

August 7, 2007

BTD Manufacturing Inc., Detroit Lakes, Minn., has acquired Pro Engineering, Minneapolis. The transaction involved an exchange of cash for assets.An operating company of Otter Tail Corp., BTD offers...

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Autodarkening welding helmets have three arc sensors

July 24, 2007

Miller Electric Mfg. Co. has introduced two designs to its Performance Series™ line of autodarkening welding helmets.The Motorsports™ helmet features a competition yellow background with...

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