Method and apparatus for arc welding

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

1978-06-23

1980-05-06

Reynolds, Bruce A.

Electric heating

Metal heating

By arc

21913033, B23K 910

Patent

active

042019060

ABSTRACT:
A method of and apparatus for arc welding, in which an energy source supplies the welding process and a simulated process in a bridge circuit the output of which, via an amplifier and a discriminator circuit controls the operation of the source in one of two or more modes having different characteristics such as constant voltage or constant power.

REFERENCES:
patent: 3275797 (1966-09-01), Manz
patent: 3423564 (1969-01-01), Sevenco
patent: 3809853 (1974-05-01), Manz
patent: 3904846 (1975-09-01), Risberg
patent: 3928746 (1975-12-01), Ericsson
patent: 4071885 (1978-01-01), Bilczo et al.

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