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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10 frequently asked GTAW questions

February 8, 2005

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Experienced welders know that without the right information, it's easy to sacrifice quality, lose time, and generally become frustrated with gas tungsten arc welding (GTAW). And while there is merit in learning by trial and error, if you want to move toward precision GTAW, getting answers to 10...

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Multiprocess power source offers constant voltage, current

January 11, 2005

Miller Electric Mfg. Co.'s XMT® 350 VS inverter offers both constant voltage and current.The inverter has all of the features of the XMT 350 CC/CV multiprocess inverter, except for its remote...

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Lincoln Electric enters agreement with Penske Racing South

January 11, 2005

Lincoln Electric has formed a team supplier agreement with Penske Racing South, which fields cars for drivers Rusty Wallace, Ryan Newman, and Brendan Gaughn.Under the agreement, Lincoln provides the...

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More about MIG welding

January 11, 2005

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Editor's Note: This article is a companion piece to Marty Rice's article MIG welding—The basics and then some. My first time using MIG (also called gas metal arc welding, GMAW) in the field was working on four stainless steel hoppers (tanks) at an Owens Corning plant. X-rays of the hoppers'...

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Optimize your plasma performance

January 11, 2005

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Plasma arc welding (PAW) uses plasma, a gas that has been heated to a high temperature and ionized. The plasma becomes electrically conductive, transferring an electric arc to the workpiece through a small orifice.

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GMAW package provides job site portability

December 7, 2004

Miller Electric Mfg. Co. has introduced the Millermatic Passport™ GMAW package designed for job site portability. The package includes an inverter-based GMAW power source, wire feeder,...

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Spot/projection welding machine designed for heavy-duty applications

December 7, 2004

The S-NDX stationary spot/projection welding machine by Dengensha America is designed for heavy-duty applications that require high welding capacity.The machine has a sturdy frame with an adjustable...

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Lincoln Electric appoints lead director

December 1, 2004

Lincoln Electric Holdings has announced that its board has modified its Corporate Governance Gudelines to provide for the annual appointment of a lead director to serve as a liaison between the...

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Generators have four preset DIG settings

November 9, 2004

Miller Electric Mfg. Co. has introduced the Trailblazer® 302 CC/CV, AC/DC and Trailblazer 275 DC CC/CV engine-driven welding generators that feature four preset DIG settings— soft arc and...

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Industrial boom system extends welding reach

November 9, 2004

The Lincoln Electric Co. and Genie Industries have jointly designed a boom welding system. Available on the Genie S-80/85, S-60/65, and S-40/45 telescopic booms, the ArcPro 275 helps the operator...

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Compact GMAW machine suitable for heavy-duty applications

November 9, 2004

ESAB Welding & Cutting Products has introduced the ESABMig C420, a compact 420-amp, three-phase, step-controlled machine suitable for heavy-duty welding.The portable, ready-to-weld system features a...

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Lincoln Electric named official Goodguys welder

November 9, 2004

The Goodguys Rod & Custom Association has named Lincoln Electric as its Official Welder. Goodguys, a rod and custom association, produces and promotes hot rod enthusiast events."The Goodguys Rod &...

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ARL Penn State hosts NSRP Welding Technology Panel

November 9, 2004

On September 16 and 17, 2004, the Laser Processing Division of ARL Penn State hosted a meeting of the National Shipbuilding Research Program's (NSRP) SP-7 Welding Technology Panel.The NSRP is a...

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Weld repair—Analyze the failure before attempting the repair

November 9, 2004

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When something breaks, you acknowledge the shock, scratch your head, take stock of the situation, and look for the fastest way to repair the item and put it back into operation. The pressure to repair quickly is understandable, but common sense suggests stopping for a moment and trying to understand what caused the break before attempting the repair.

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A tribute to veterans

November 9, 2004

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Editor's Note: The U.S. remembers its armed forces' veterans twice each year— Memorial Day in May and Veterans Day in November. In this article, Marty Rice, a reader-favorite author on thefabricator.com, pays tribute to veterans and describes how one metal sculptor chose to represent an important part of a serviceman's or — woman's life.

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