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.
November 16, 2015
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
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 8, 2015
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
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
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.
July 24, 2015
Combining welding and brake cleaners can lead to serious illness, permanent damage to your internal organs, or even death.