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.
Hands-on information, real-world applications, and down-to-earth practical advice for welders. Subscriptions are free to qualified welding professionals in North America.