Percussive arc welding

Details Percussive arc welding Percussive arc welding

1981-08-24

1983-11-22

Reynolds, Bruce A.

Electric heating

Metal heating

For bonding with pressure

219 95, 219 98, 219 99, 21913001, B23K 910, B23K 922

Patent

active

044171200

ABSTRACT:
A method and apparatus for improved percussive arc welding is disclosed. In this technique a test arc of a voltage no greater than the initiating voltage of the percussive arc welding is first applied across the pieces to be welded. The welding cycle is then performed if, and only if, an arc is detected responsive to the impressing of the test voltage.

REFERENCES:
patent: 2814715 (1957-11-01), Blackmer
patent: 3278720 (1966-10-01), Dixon
patent: 3360632 (1967-12-01), Huffman
patent: 3526748 (1970-09-01), Rienks
patent: 3707614 (1972-12-01), Phillips et al.
patent: 3992602 (1976-11-01), Ashton
patent: 4035603 (1977-07-01), Fermicola
patent: 4132879 (1979-01-01), Glorioso
American Society of Metals, Metals Handbook, 8th Edition, 1971, vol. 6-Welding and Brazing, pp. 177-180.
Abstract, Japanese 54-119253, 10.18.1978, "Voltage Reducing Apparatus for Stud Welder".

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