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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

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The next generation of welders, guns and torches are prepared to handle your job shop’s application challenges. The latest innovations and advances in MIG/TIG welders, guns and torches link fabricators to a wide range of products to successfully overcome hitches in the fabrication process.

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