Resistance welding gun and apparatus

Details Resistance welding gun and apparatus Resistance welding gun and apparatus

B - Operations, Transporting

23

K

B23K 11/00 (2006.01) B23K 11/11 (2006.01) B23K 11/25 (2006.01) B23K 11/31 (2006.01)

Patent

CA 2139848

2139848 9401236 PCTABS00030 A resistance spot welding apparatus (10) includes a base (11) mounted on a sliding track (12) along a fixed orientation to a rotary part (14) to be balanced. An arm (18) is pivotable about pin (20) which is rigidly attached to the base (11). The arm (18) provides a platform for a welding gun assembly (26). Electrodes (27, 29) provide current to weld a balance weight (28) to the rotary part (14). The welding gun assembly's electrode (27) is positionable by cylinder rod (46) rigidly attached to a positioning bracket (42). The position of the positioning bracket is determined by linear variable displacement transducer (LVDT) (58). The position of the bracket (42) is used to determine electrode positioning faults and weld quality.

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