Method and apparatus for welding

Details Method and apparatus for welding Method and apparatus for welding

B - Operations, Transporting

23

K

B23K 9/09 (2006.01) B23K 9/067 (2006.01) B23K 9/073 (2006.01) B23K 9/095 (2006.01) B23K 9/10 (2006.01)

Patent

CA 2454443

A method and apparatus for welding include initiating a pulse welding process includes initiating a welding arc by providing CC type welding power, maintaining the arc by providing CV type power. Then, pulse type welding power is provided. The method and system can be used to start short circuit, or other welding processes by providing short circuit power, or welding power of a given mode, instead of providing pulse power. Also, in one alternative, a method and system of initiating a pulse, short circuit, or given welding process includes initiating a welding arc by providing CC type welding power at least until a pseudo-equilibrium for the arc is established. Then, providing welding power in a pulse, short circuit, or the given mode.

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