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.
March 16, 2016 | By Mark Kadlec
Keep these tips in mind for GTAW applications to help you save time and money in rework and to help ensure a quality finished weld. Taking some extra steps in preparation and setup can help you complete the job on schedule and avoid the cost and hassle of troubleshooting or rework later in the welding process.
March 2, 2016 | By Amanda Carlson
Omaha, Neb., man with the need to create found two unique uses for a couple of old '57 Chevy cars. The first, a working grill. The second, a hot tub and tabletop bar.
February 23, 2016 | By Professor R. Carlisle "Carl" Smith
Oxyacetylene welding and brazing are among the first processes beginning welding students learn. This article focuses on the uses and techniques that may be unfamiliar to much of the welding community.
Knowing your applications will help you determine what auxiliary equipment you need to manipulate a submerged arc welding head and get the productivity you want.
January 29, 2016 | By Paul Cameron
Q: Can you point me in the right direction for procedure qualification record (PQR)/welding procedure specification (WPS) testing of pipe/tube to plate for fillets and partial-joint-penetration (PJP) grooves? The joint is a bevel groove covered by a fillet. The pipe/tube is unlisted AWS D1.1...
January 27, 2016 | By Amanda Carlson
An optional digital meter for SMAW power sources allows welders to lay beads within set parameters.
January 26, 2016 | By Dan Davis
Waste reduction in manufacturing helped to make Japanese manufacturing a mighty power, and that push for process improvement continues today. It was a big motivator for OTC DAIHEN to develop its Controlled Bridge Transfer-Expanded technology for robotic GMAW applications.
January 7, 2016 | By Professor R. Carlisle "Carl" Smith
Although welder training has advanced over the years, the fundamentals remain essentially the same. What should beginning welders be taught first?
January 6, 2016 | By Eric Lundin
Metal artist Stephen Christena left Flint, Michigan, but Flint didn’t leave Christena. He has the eye of an artist, backed up by a degree, but the sturdy, industrial look he favors is testimony to his roots.
December 21, 2015 | By John Leisner
Advancements in remote control technology make it more beneficial to employ the technology in welding operations, particularly those that involve extended distances between the power source and the welder.
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.