Method of automatic welding

Details Method of automatic welding Method of automatic welding

1981-08-10

1984-01-10

Reynolds, B. A.

Electric heating

Metal heating

Of cylinders

2191251, B23K 9225

Patent

active

044254911

ABSTRACT:
A method of continuous welding of a series of tubes to a tube sheet, in which the torch current is decreased to produce partial fading of the arc after completion of the first welding bead, and the torch is then moved to a starting position on a second contour to be welded. A stationary preheat is then effected, and a second weld bead is made by following the second contour to be welded. The process continues until the last bead has been made, whereupon the arc is switched off.

REFERENCES:
patent: 4359621 (1982-11-01), Monley
"Bendix Numerical-Control System Developed for Contour Type Fusion Welding," Machinery, Feb., 1963, pp. 136-137.

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