Method for controlling an automatic pipe welder

Details Method for controlling an automatic pipe welder Method for controlling an automatic pipe welder

1977-09-01

1979-03-20

Smith, Al Lawrence

Metal fusion bonding

Process

With condition responsive, program, or timing control

228 29, 219 60A, 21912511, B23K 910

Patent

active

041449924

ABSTRACT:
Method for controlling an automatic pipe welder is disclosed. In the automatic welder which requires remote control, welding conditions for butt welding pipes are stored and an actual joint geometry or groove shape is sensed. From signals relating to the stored welding conditions and the sensed groove shape, a control command signal in actual welding is produced to effect welding under an optimum condition. On the other hand, an arc condition at an actual welding point and a melting condition of a metal are monitored and displayed to modify the welding conditions in accordance with the monitored condition to control the automatic pipe welder.

REFERENCES:
patent: 2288433 (1942-06-01), Boetcher et al.
patent: 2894111 (1959-07-01), McNutt
patent: 3266700 (1966-08-01), Bauer et al.
patent: 3266701 (1966-08-01), Peignen
patent: 3373914 (1968-03-01), Wall
patent: 3924094 (1975-12-01), Crayton et al.
patent: 4019016 (1977-04-01), Friedman et al.

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