Method and apparatus for resistance welding wherein the electrod

Details Method and apparatus for resistance welding wherein the electrod Method and apparatus for resistance welding wherein the electrod

1990-02-21

1991-09-10

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219119, B23K 1110

Patent

active

050476084

ABSTRACT:
A method and apparatus for resistance welding in which, while both or one of the electrode center axes of a pair of opposing electrodes is inclined with respect to the electrode forcing axis, the electrode tip of the electrode is intermittently pivoted about the electrode center axis for welding. The contact between the electrode tip and workpiece is moved at a preset number of welds to define a next contact surface on the face of the electrode tip, and thus the number of welds (electrode tip life) is considerably improved.

REFERENCES:
patent: 1196852 (1916-09-01), Fulda
patent: 2432750 (1947-12-01), Goldsworthy
patent: 2710327 (1955-06-01), Powley
patent: 3109087 (1963-10-01), Larkworthy
patent: 3115570 (1963-12-01), Denzler et al.
European Search Report, May 3, 1990 for European Application No. EP90103455.3.

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