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Home / Welding / Power Sources

Power Sources

A welding power supply provides an electric current for welding. A constant current (CC) machine varies output voltage to maintain a steady current, while a constant voltage (CV) machine fluctuates output current to maintain a set voltage. Shielded metal arc welding (SMAW) and gas tungsten arc welding (GTAW) use a CC source, and gas metal arc welding (GMAW) and flux-cored arc welding (FCAW) typically use CV sources, though constant current is also possible with a voltage sensing wire feeder.

Power Sources: Articles

Automation + Robotics = Smart Shops

ABB Robotics, Discrete Automation, Industrial Cobot, SWIFTIA™CRB 1300, Andrea Cassoni, OmniCore™ C90XT controller,

Shops of all sizes are embracing automation and robotics systems and benefiting from major productivity gains with existing staff.

Shops of all sizes are embracing automation and robotics systems and benefiting...
Power Sources: Products

All New Engine-Driven Welder was 11 Years in the Making

With Video
Trailblazer 330 Engine-Driven Welders, Miller Electric Mfg., arc welding equipment, weld process and parameter control and output, Brian Bellile, TIG, Dynamic DIG technology, Auto-Speed Technology, Arc Reach Technology, Auto-Set Technology

Miller Electric Mfg. introduces the Trailblazer 330 Engine-Driven Welders. The welders feature industry-exclusive benefits that help maximize productivity and weld quality while also reducing fuel costs.

Miller Electric Mfg. introduces the Trailblazer 330 Engine-Driven Welders. The welders feature...
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