Welding power supply for pulsed spray welding

Details Welding power supply for pulsed spray welding Welding power supply for pulsed spray welding

B - Operations, Transporting

23

K

B23K 9/09 (2006.01) B23K 9/133 (2006.01)

Patent

CA 2304893

An arc welding machine is disclosed for providing a continuous feed electrode to a weld site. The arc welding machine includes a line frequency transformer having a primary winding, a first secondary winding, and a second secondary winding (e.g., an extension winding, a separate winding, etc.). The first secondary winding provides a welding power having a first voltage at a welding power output terminal. The second secondary winding provides a second welding power having a second higher voltage at an input terminal of a switch, the switch being controlled to provide a pulsed power at the welding power output terminal. According to one feature, the arc welding machine produces a pulsed power having a fixed pulse width and a fixed frequency, the fixed pulse width and fixed frequency being substantially free of operator adjustment.

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