Any joining process that relies on passing an electrical current through a workpiece. The heat is generated by the metal’s resistance to the electrical current.
In the tube and pipe industry, high-frequency, noncontact electrical resistance welding is so common that the abbreviations HF and ERW are used interchangeably. However, high-frequency isn’t the only useful ERW process. Many frequencies are used, including direct current, which has no frequency at all, as is contact welding.
TRUMPF FABTECH 2014 Preview
See the products TRUMPF will have on display at FABTECH on Nov 11-13 in Atlanta. TRUMPF will introduce a wide array of new products and technologies, including the world premiere of the TruLaser 2030 fiber laser cutting machine, in addition to new laser cutting, punching and press brake technologies, laser marking, laser welding, and power tools. Visit our FABTECH web site: www.us.trumpf.com
Metal sculpting for SEMA—Derelicts and Hellcats - by Josh Welton Metal artists find inspiration in many places. Derelicts and Hellcats inspired Josh Welton to create his versions of classic vehicles and motorcycles to be displayed at SEMA’s Art Walk in November.
North America's leading magazine for the metal forming and fabricating industry, delivering news, technical articles, and case histories. Print subscriptions are free to qualified persons in North America involved in metal forming and fabricating.
TheFabricator.com provides metal fabrication professionals with market news, the industry's best articles, product news, and conference information from the Fabricators & Manufacturers Association, Intl.