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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Hard hat respiratory system retrofits to welding helmets

February 8, 2010

ArcOne's® new Clean-Air Flow™ respiratory system with hard hat is the first of its kind allowing welders to retrofit any ArcOne welding helmet into a hard hat respiratory system, the company says. Available in different configurations, the system has been developed from the ground-up...

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electrode good welding practices

Holding back the hydrogen

January 15, 2010 | By Tim Heston

Hydrogen cracking can send a project off schedule in a hurry. Here are ways to prevent it.

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Push-pull welding guns designed for aluminum fabrication, production welding environments

January 12, 2010

Lincoln Electric has introduced two push-pull welding gun models for aluminum fabrication and production welding environments.The Panther™ semiautomatic, gooseneck-style gun provides smooth wire feeding with dual-driven rolls for added pulling power without damaging the wire. It also features...

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SAW flux packaging for high-production applications introduced

January 12, 2010

ESAB Welding & Cutting Products has introduced the BigBag for delivering flux for high-production SAW applications. The woven polypropylene bag, which has a polyethylene inlay to prevent moisture pickup, contains 2,200 lbs. of flux. Secondary protection also is provided by a foil wrap on each...

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NEMA publishes three arc welding standards

January 12, 2010

The National Electrical Manufacturers Association (NEMA) has published three arc welding standards in the ANSI/IEC 60974 series.The standards are "Part 7: Torches"; "Part 11: Electrode Holders"; and "Part 12: Coupling Devices for Welding Cables." They join Parts 1, 2, 3, 5, and 8 of the series....

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gmaw guns consumables

GMAW guns and consumables

January 6, 2010 | By Andy Monk

Think GMAW guns and consumables don't have an impact on your final weld? Think again. By separating the myths surrounding GMAW guns and their consumables from the facts, you can ensure you're not compromising performance or weld integrity.

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gateway energy coke company

No purge, no problem

January 6, 2010 | By David Lucas

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 system is driven by the Power Wave® 455M/STT® welding machine, rated to deliver 450 amps,...

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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. With their compact design and light weight, the power sources are portable.The central control...

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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 and contact tips.The station with pneumatic reamer is designed to reduce operator downtime. When...

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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 | By Marty Rice

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 | By Nick Peterson

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 | By Nick Peterson

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 manual or robotic GMAW process, including operations using tandem and/or custom weld nozzles. The...

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