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 10, 2013 | By Marty Rice
So, I’m half-awake and realize it’s Saturday, and I can sleep in. Then my toes start cramping, and I’m not about to let them wake me. So I start relaxing mentally while physically bending them back and forth, and then nod off. I guess my sleeping brain forgot to tell my toes I...
December 6, 2013 | By Eric Lundin
When a well-known architect was hired to design student housing complex at California State University San Marcos (CSUSM), she teamed up with Lisa Schirmer and a fabricator to develop a fence-and-gate system that would look good, invoke local flora, and provide security for the residents. The result is part fence, part art.
December 5, 2013 | By Karl Hoes
A welder tackling gas tungsten arc welding of thin aluminum for the first time might find it more difficult, but in reality, it's just different from the gas metal arc welding that he or she originally learned. Following these guidelines can help the welder make a smooth transition into thin aluminum welding.
November 27, 2013 | By Amanda Carlson
A Pennsylvania crane fabricator relies on virtual weld training to kick-start weld training for new hires.
November 18, 2013 | By Blaine Guy
If you are considering making the change to self-shielded FCAW from SMAW, remember to consider the proactive measures you’ll need to take to make that transition successful. It’s important to have a solid understanding of the characteristics and operating requirements of the new filler metal being used to weld successfully with it.
November 5, 2013 | By Kodi Welch
Welding aluminum and stainless steel can be challenging. Pulsed gas metal arc welding (GMAW-P), can help meets those challenges, while boosting productivity and reducing weld defects.
October 7, 2013 | By Eric Lundin
Solar Sculptures™, which comprises an artist, a public spaces planner, and an electrical engineer, designs sculptures that use motion sensors and LEDs to come alive at night.
September 24, 2013 | By Professor R. Carlisle "Carl" Smith
Welding inspectors in some small, mostly rural areas don’t lack for exciting, challenging work. Their inspections often are just as critical as those in more congested, urban areas.
August 9, 2013 | By Eric Lundin
An automobile enthusiast since he has a youngster, Ariel Banco started developing custom-made air intakes after he graduated from college. Eventually he had such a backlog that he quit his professional career to become a full-time fabricator, making air intakes for automobiles, motorcycles, and occasionally airplanes and personal watercraft.
When welding process pipe, welders need to determine which wires can provide the most appropriate results for every weld pass—root, fill, and cap—and be certain that they are selecting the highest-quality filler metal.
August 5, 2013 | By Vicki Bell
Not everyone involved in welding wields a torch. Welders’ helpers play integral parts in welding projects and sometimes command a higher salary than the welder.
August 1, 2013 | By Jerry Mathison
Gas metal arc welding is an effective method for joining thin-gauge materials-- from 24-gauge to 0.1875-in. carbon steel and 18-gauge to 0.1875-in. stainless steel. But extra attention should be paid to the equipment and the welding technique to minimize burn-through and distortion.
Gas tungsten arc welding, a joining process developed decades ago, has been improved by many technology developments over the years, but the essentials are unchanged: It uses an electric arc between a nonconsumable tungsten electrode and the workpiece to produce a weld pool, and it uses a shielding gas. Experiments with brushing on or pasting on mixed metal oxide slurries have shown how this decades-old process can improve dramatically in penetration and speed.
July 16, 2013 | By Professor R. Carlisle "Carl" Smith
Taking your shop to the next level might involve ASME certification. Just what does this entail? It begins with an agency.
July 12, 2013 | By Amanda Carlson
Scott Schreiber, head welding instructor at Green River Community College, Auburn, Wash., possesses an innate ability to connect with his students, a tenacious drive for excellence and continuous improvement, ingenuity, and a commitment to improving the welding trade. It is for these reasons and many more that Schreiber is the 2013 PWTeacher of the Year.