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 7, 2011
Joshua Shaw describes himself as half archaeologist and half fabricator. Those qualities come in handy when he's restoring vintage Sprint race cars, which can provide a number of historical and fabrication and welding challenges. To do it right requires patience and flexible welding equipment.
September 9, 2011
Weld inspectors, especially those who are new to the trade, put a lot of emphasis on the equipment needed to do the job: flashlight, mirror, high-low gauge, pit gauge, bridge camera, and a borescope. However, this isn’t the entire toolkit. A weld inspector also must be cognizant of the applicable codes, knowledgeable about the project owners’ specifications, and should carry a personal log book for making notes about conversations and inspections.
September 9, 2011
Advancements in consumables for the submerged arc welding process have made it possible to increase the strength of welds in wind turbine components while also increasing production efficiency.
July 8, 2011
Today's job shops must be prepared to deal with a variety of materials for fabrication and welding. As each material may require a different mixed shielding gas for gas metal arc welding (GMAW), familiarize yourself with these gases and the most efficient supply methods for various applications.
July 8, 2011
Modern wire-feeding technology can boost welders' performances and overall productivity. If they are working with old feeding equipment, disadvantage
June 2, 2011
Nguyen needs his titanium eyeglasses repaired and wants some expert advice about how this can best be achieved. The answers to his questions about the process provide valuable insight into some aspects of welding titanium.
May 10, 2011
SAW offers a cost-effective and efficient means for automated welding of plates, beams, flanges, and profiles found in structrual steel environments. Technology advancements in flux combinations and SAW equipment have helped boost arc-on times, which have elevated productivity levels within the process.
May 9, 2011
Seven years ago Doug Wilkinson of Reinke Mfg., Deshler, Neb., set out to start up a welding education program for high school and adult students that would give them the opportunity to earn AWS D1.1 or D1.2 qualification. It's been an uphill battle but Wilkinson is still at it--and the welding program continues to grow.
March 21, 2011
Fabricating a titanium stovepipe hat assembly had one shop perplexed. What was causing the material to turn blue, warp, and crack? Why was it so difficult to make this part fit into the next assembly?