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.
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.
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...
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.
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.
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.
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
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...
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.
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.
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.
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.
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
July 16, 2015 | By Amanda Carlson
Tennessee metalworker makes a living combining old and new metalworking processes.
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.
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.