Control apparatus for resistance welding machine

Details Control apparatus for resistance welding machine Control apparatus for resistance welding machine

1996-12-20

1999-04-06

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

B23K 1124

Patent

active

058921974

ABSTRACT:
A control apparatus for a resistance welding machine comprises a welding current detecting device for detecting a welding current, interelectrode voltage detecting device for detecting an interelectrode voltage, a calculating section for predicting a nugget growth or estimating an expulsion & surface-flash generation probability, and control section for controlling the welding current so that the nugget growth or the expulsion & surface-flash generation probability can be adjusted to a predetermined value.

REFERENCES:
patent: 4343980 (1982-08-01), Stanya et al.
patent: 4596917 (1986-06-01), Nied et al.
patent: 5343011 (1994-08-01), Fujii et al.
patent: 5436422 (1995-07-01), Nishiwaki et al.
patent: 5575934 (1996-11-01), Takakuwa et al.

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