June 13, 2002
This article provides an overview of electric resistance welding (ERW). It dicusses high-frequency ERW (contact and induction) and rotary wheel contact welding (AC, DC, and square wave). It describes the differences among the processes, as well as the power supplies and weld rolls.
Fastest press brake of its size on the market! The Xpert 40 keeps pace with today’s high-speed Fiber lasers. Ultra high-performance ram, back gauge and safety system ensures highly efficient production of complex shapes. First to combine entire setup and production in one station, greatly reducing non-productive bending time. Visit our website.
Why scaling up may be tough in metal fabrication - by Tim Heston
Hefty competition usually drives companies to consolidate to achieve economies of scale. For metal fabrication, this rule may not apply.
Hands-on information, real-world applications, and down-to-earth practical advice for welders. Subscriptions are free to qualified welding professionals in North America.