Automatic circumferential welding apparatus

Details Automatic circumferential welding apparatus Automatic circumferential welding apparatus

1985-04-29

1987-02-24

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 60A, 901 42, B23K 912

Patent

active

046459022

ABSTRACT:
An automatic welding apparatus for performing welding along the circumference of abutted pipe ends, wherein the apparatus can be taught and operate in accordance with data related to reference positions and welding paths along semicircumferences of the abutted ends. A welding head is driven along a guide attached to one of the two pipes. The welding head is first positioned to reference points and then moved along the guide in two upward directions to the ends of welding lines, thereby to teach the apparatus the welding operations to be performed. Subsequently, the apparatus is operated to carry out welding in accordance with the instructed operations.

REFERENCES:
patent: 4144992 (1979-03-01), Omae et al.
patent: 4163886 (1979-08-01), Omae et al.
patent: 4283617 (1981-08-01), Merrick et al.

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