Arc Welding Articles

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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Make way for the torch queen

December 2, 2015 | By Amanda Carlson

Contributing Editor Amanda Carlson introduces us to a former contractor who has found her niche as a welding artist and instructor.

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Arc Welding 101: For the record: Grounding, work leads are not the same

November 16, 2015 | By Paul Cameron

Q: I am writing this in regards to an article you wrote last year about grounding and grounds (“Achieving a good work lead connection,” Practical Welding Today, July/August 2014, p. 58). You mentioned that grounding to a structure should not be used if at all possible. My question is this: If...

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Using a purge dam to cut welding time for UHP applications

November 4, 2015 | By Eric Lundin

In welding high-purity and ultrahigh-purity piping systems, quite a bit of the welder’s time is idle, time spent waiting for the purge system to remove the oxygen from the system. Most purge dams mark or scratch the pipe’s ID, neither of which is acceptable on HP and UHP systems. This led to the development of a purge dam specifically for these applications.

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A new spin on welding

October 19, 2015 | By Tim Heston

SpinArc, a kind of gas metal arc welding, rotates the wire at a controlled speed, diameter, and direction. This feature reportedly improves weld quality and productivity, and it makes more types of weld joints possible.

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The new era of welding data collection

October 12, 2015 | By Joe Daniel

Welding technology developers have moved beyond simply collecting welding information for later review to creating software that allows fabricators to control production and assembly processes.

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When imagination meets craftsmanship

October 8, 2015 | By Amanda Carlson

The fleur de lis is a well-known symbol with deeps roots in Louisiana culture. However, the massive 14-ft., three-sided stainless steel version of the fleur de lis that sits atop a water fountain at the UL Lafayette Quadrangle is a larger-than-life representation of what can happen when you mix imagination with talent along with some good old-fashioned craftsmanship

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Arc Welding 101: Qualified versus certified—What’s the difference?

September 28, 2015 | By Paul Cameron

Q: While browsing the AWS website I found listings for accredited test facilities. After a little more digging, I found AWS QC4-89, the standard for accreditation of test facilities. I was of the understanding that my endorsement as a certified welding inspector (CWI) permitted me to certify...

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Fabricating skills travel

September 8, 2015 | By Dan Davis

Hutchinson Manufacturing Inc., Hutchinson, Minn., is working with oil and gas customers thousands of miles away because it can handle almost every aspect of production on its one campus, which gives the company complete control of quality and the delivery date.

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Dodging the drought – in business

August 4, 2015 | By Amanda Carlson

While the much-publicized drought in California has wreaked havoc on the state overall, from the economy to simple daily living, one Santa Ana fabricator is versatile enough to avoid a drought in new and returning business.

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The cycle continues

July 29, 2015 | By Amanda Carlson

Glenn Kay II, the 2015 PWTeacher of the Year, is a self-described workaholic with a passion for welding that was first fueled by competition. Today the 37-year-old has instilled that same passion in his students.

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Arc Welding 101: Cleaning material with brake cleaner before welding

July 24, 2015 | By Paul Cameron

Combining welding and brake cleaners can lead to serious illness, permanent damage to your internal organs, or even death.

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3 drivers of welding throughput

July 20, 2015 | By Ed Crum

Three principal drivers increase welding throughput in the modern shop: welding process advances, smart use of automation, and having the right information

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Layer by layer

July 16, 2015 | By Amanda Carlson

Tennessee metalworker makes a living combining old and new metalworking processes.

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Catching the right waveform

July 15, 2015 | By Judah Henry

The advent of the electrical waveform helped to take a lot of guesswork out of welding. A lot more of the guesswork was taken out of the welding process with the move to the digitally controlled power source and even more waveforms.

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When life hands you lemons, build a sign

June 23, 2015 | By Eric Lundin

After the sign for his auto repair business fell off the building, Dominick Alia tried his hand at fashioning his own sign. One thing led to another, and metal sculpture became a hobby.

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