Electric heating – Metal heating – By arc
Patent
1988-09-29
1989-07-25
Shaw, Clifford C.
Electric heating
Metal heating
By arc
21912511, B23K 912
Patent
active
048516392
ABSTRACT:
An apparatus for automatically welding a cylindrical vessel, which comprises: a rotating means (8) for rotating a cylindrical vessel to be welded around the center axis thereof; a travelling carriage (1); a manipulator (2) mounted on the carriage (1), said manipulator comprising a vertical post (10) secured onto the carriage (1), a horizontal column (11) movable horizontally and vertically along the vertical post (10), and an expansion arm (12) fitted rotatably to the leading end of the horizontal column (11); a welding head (4) fitted through an L-shaped fitting member (3) to the tip of the arm (12), said welding head comprising a welding nozzle (16), a groove profiling means (17) and a groove shooting means (20); a welding wire feeder (5) mounted on the carriage (1); a welding electric power source (6) mounted on the carriage (1); and a welding controller (9) mounted on the carriage (1), said welding controller comprising an image processor (32), a welding current controller (33), a welding wire feed controller (34), a welding speed controller (35), and a groove profiling controller (36).
REFERENCES:
patent: 3627973 (1971-12-01), Smith
patent: 4233491 (1980-11-01), Maruyama et al.
patent: 4698484 (1987-10-01), Babcock et al.
Kanjo Yoshihiro
Nishi Yasuhiko
Sugitani Yuji
Nippon Sanso K.K.
NKK Corporation
Shaw Clifford C.
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