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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gateway energy coke company

No purge, no problem

January 6, 2010

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Although P91 offers many advantages for power generation in terms of strength and service life, it is more difficult to fabricate than traditional materials and many contractors shy away from it. Icon Mechanical, Granite City, Ill., is one such contractor. However, a chance to do some work on an energy system provided an opportunity to explore the potential of a nontraditional welding method that turned out to work well on P91.

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Robotic-ready pipe welding, cutting system welds pipe root, changes on-the-fly to pulse spray GMAW

December 15, 2009

Lincoln Electric Automation has introduced the latest generation of its RoboPipe™ system for automated carbon steel, stainless steel, and duplex stainless steel pipe welding and fabricating.The...

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Portable inverter welding power sources suited to steel welding

December 15, 2009

Fronius has developed the TransSteel 3500 and TransSteel 5000 inverter welding power sources. According to the company, the units' intuitive functions and wire feed system are suited to steel welding....

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Cleaning station designed for hand-held GMAW guns

December 7, 2009

Arndt Enterprise Ltd. has introduced the HRP-3V nozzle cleaning station, designed for welding shops using hand-held GMAW guns. The system can be used with any GMAW gun brand and all sizes of nozzles...

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induction heating system pro heat

Induction system speeds pipe welding projects

December 1, 2009

Energy Steel & Supply Co., Lapeer, Mich., a fabricator that manufactures components for nuclear power plants, used to spend quite a bit of time on pre- and postweld heat treatment. After seeing a demonstration of an induction heating system, the company made the switch and enjoys the benefits of a faster, safer way to deliver heat to the components it manufactures.

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GMAW Welder

Common technical mistakes new welders make and how to avoid them

November 24, 2009

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Did you hear the one about the welder who was tired of bending over to weld and made the fatal mistake of using a 55-gallon drum as a welding table? In this article, welding instructor Marty Rice discusses this mistake and describes some common technical mistakes new welders make, some more serious than others. All can be avoided.

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GMAW Push Button

One size does not fit all

November 24, 2009

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Fewer skilled welders combined with an ever-increasing range of welding applications have created a demand for more precise, application-specific welding systems. Equipment suppliers now are tailoring systems for different applications, and fabricators are embracing the new technology.

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GMAW Push Button

One size does not fit all

November 24, 2009

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Fewer skilled welders combined with an ever-increasing range of welding applications have created a demand for more precise, application-specific welding systems. Equipment suppliers now are tailoring systems for different applications, and fabricators are embracing the new technology.

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Self-cleaning treatment enhances welding nozzle life

November 10, 2009

Secoa Technology has introduced a treatment process that transforms customers' current welding nozzles into PerfectArcs™ self-cleaning weld nozzles. The nozzles are suitable for almost any...

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Backing tape for pipeline joints permits arc welding up to 240 amps

November 10, 2009

Huntingdon Fusion Techniques Ltd. has published a four-page leaflet about weld backing tape for pipes and pipelines. Weld backing tape is used to allow pipeline welding from one side only, producing a...

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Welding simulator provides real-time technique feedback

November 10, 2009

Lincoln Electric has developed a new way to teach welding techniques through a virtual welding system called VRTEX™ 360. The system incorporates technology Lincoln recently acquired from VRSim...

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Lightweight welding helmets feature enhanced field of vision

November 10, 2009

Fronius offers the Vizor 3000 welding helmets in Standard, Plus, and Professional styles, along with corresponding Air models. The field of vision has been increased by 33 percent over the previous...

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Orbitform opens new applications lab

November 10, 2009

Orbitform Group, Jackson, Mich., has announced additional capacity to provide prototype services for the assembly of parts within the new Application Engineering Lab at the company's...

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ESAB adds new manufacturing lines in Ohio plant

November 10, 2009

ESAB Welding & Cutting Products, based in Florence, S.C., has added two new wire drawing lines at its Ashtabula, Ohio, manufacturing facility. These lines produce wire for high-production SAW...

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Submerged Arc Welding

Submerged arc welding optimization

November 10, 2009

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Suitable for welding various materials and plate thicknesses, submerged arc welding is considered an economical, efficient process. Yet, in the search for fine tuning this process, obvious solutions have been ignored in favor of exotic and expensive welding heads and power sources. Applying sound expertise and creative insight can lead to less costly solutions.

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