January 4, 1982 - Maritime Reporter and Engineering News

New Solid-State Welding Control From Duraline —Literature Available

Duraline, Central Islip, N.Y., manufacturer and supplier of multiple-operator welding equipment to the shipbuilding and ship repair industry, will introduce its latest state-of-the-art, solid-state welding control at this year's AWS Welding show, to be held in Kansas City, April 27-29.

The new solid-state welding control is designed to operate off standard 80VDC rectifier power supplies, and expands the capabilities of the conventional M-0 system, currently limited to manual arc welding with straight or reverse polarity, to include arc driven, semiautomatic hard and fluxcore wire welding processes.

With the all-new design, welding power is controlled and supplied to welder by means of a high frequency switching system which pulses the 80VDC rectifier power output at the point of welding. Power is supplied to create the weld puddle with little or no loss. The result is a reduction in the number of rectifiers required to supply power to a given number of welders that can be serviced from a given DC rectifier.

Overall system efficiencies of 85 percent are reported and better than 60 percent savings in energy costs.

Free literature is now available completely describing this revolutionary new system.

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