Butt-welding system

  • 11-Mar-2010 08:50 EST
Hess Mid-freq weld 300dpi.jpg

The mid-frequency dc (MFDC) butt-welding system and process controller from Hess Industries is designed for passenger-car and heavy-duty-truck rim manufacturing. The company’s butt-welding technology offers improved power factor, enhanced process control, smaller transformer package, and lower support costs. The primary benefit of the technology is a reduction in energy consumption. User test data indicates that the power reduction between traditional three-phase dc and the MFDC solution can be as high as 59% per weld cycle and as high as 75% between ac and MFDC, according to the company. Depending on power costs in a given area, wheel manufacturers could see energy cost savings of hundreds of thousands of dollars a year per line.

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