Welding apparatus with arc interval energy control

Details Welding apparatus with arc interval energy control Welding apparatus with arc interval energy control

1979-05-29

1981-11-10

Shaw, C. C.

Electric heating

Metal heating

By arc

B23K 912

Patent

active

043000363

ABSTRACT:
An apparatus for short-arc welding comprises a controllable current source, means for controllably feeding a consumable wire electrode to the weld location, and a control unit for automatically adjusting the current source in dependence upon the weld sequence. The current source is arranged to provide welding periods divided into short-circuit intervals, arc intervals and optional rest intervals. The control unit includes means for continuously adjusting the relationship between arc interval energy and short-circuit interval energy in accordance with a predetermined function.

REFERENCES:
patent: 3136884 (1964-06-01), Glenn et al.
patent: 3250894 (1966-05-01), Manz
patent: 3627975 (1971-12-01), Goto
patent: 3792225 (1974-02-01), Needham et al.
patent: 4000374 (1976-12-01), DeKeyser

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