Electric heating – Metal heating – For bonding with pressure
Patent
1994-04-12
1995-09-12
Shaw, Clifford C.
Electric heating
Metal heating
For bonding with pressure
B23K 1124
Patent
active
054498767
ABSTRACT:
A multi-point spot welding controller includes a central processing unit, a memory means, a monitoring interface device, a system bus, an input device, a first display device, a second display device, an output interface device, a switch output interface device, a plurality of spot welding circuits, and a plurality of pairs of welding electrodes. The central processing unit together with the memory device constitutes a central control device for controlling operation of the spot welding controller. The monitoring interface device is electrically connected to the central processing unit and allowed to be electrically connected to an external personal computer by which a user can operate to monitor and control the spot welding machine. The switch output interface device is electrically connected to the system bus for controlling the welding electrodes to move up or down, to respectively start or stop welding. The output interface device is electrically connected to the system bus for sending a plurality of welding signals. The spot welding circuit is electrically connected to the output interface device for receiving the welding signals therefrom and responsive to drive or stop driving a pair of welding electrodes connected thereto.
REFERENCES:
patent: 4063075 (1977-12-01), Collom
patent: 4985612 (1991-01-01), Izume et al.
patent: 5072090 (1991-12-01), Morita
patent: 5166491 (1992-11-01), Izume et al.
patent: 5171960 (1992-12-01), Takano et al.
Liauh W. Wayne
Shaw Clifford C.
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