Method and apparatus for shortcircuiting arc welding

Details Method and apparatus for shortcircuiting arc welding Method and apparatus for shortcircuiting arc welding

1975-10-15

1978-11-14

Truhe, J. V.

Electric heating

Metal heating

By arc

21913032, 2191372, B23K 912

Patent

active

041257596

ABSTRACT:
A method and apparatus for controlling the welding current in shortcircuit transfer arc welding including a method and control apparatus for maintaining the effective value of the welding current during arcing period at a predetermined value. Maintenance of the effective value of welding current during arcing period is necessary to keep the size of a fusion zone and the depth of penetration constant throughout welding operation.

REFERENCES:
patent: 3530359 (1970-09-01), Grist
patent: 3731049 (1973-05-01), Kiyohara et al.
patent: 3989921 (1976-11-01), Ohi et al.
patent: 4000374 (1976-12-01), De Keyser

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