Electric heating – Metal heating – By arc
Patent
1991-02-26
1992-12-08
Shaw, Clifford C.
Electric heating
Metal heating
By arc
901 42, B23K 912
Patent
active
051700344
ABSTRACT:
A method and a system for controlling a welding robot is disclosed, in which at the time of restarting the welding operation after a provisional welding stoppage which may occur during a series of welding operation by a robot, the welding operation is restarted from a position receded along the welding line thus far followed. A memory unit sequentially holds the position data along the welding line during the welding operation. The position receded along the welding line is calculated in accordance with the position data held in the memory unit during the provisional welding operation stoppage.
REFERENCES:
patent: 4445022 (1984-04-01), Mori
patent: 4626644 (1986-12-01), Parmeggiani
patent: 4647753 (1987-03-01), Nakashima et al.
patent: 4772776 (1988-09-01), Siina
Seshimo Tatsuya
Shiina Tukasa
Shimomura Raiji
Yokoyama Shigeyoshi
Hitachi , Ltd.
Hitachi Keiyo Engineering Co. Ltd.
Shaw Clifford C.
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