Method for reducing the generation of noise during arc welding

Details Method for reducing the generation of noise during arc welding Method for reducing the generation of noise during arc welding

1991-02-25

1992-03-31

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913051, B23K 909

Patent

active

051010925

ABSTRACT:
A method for reducing the generation of noise during arc welding by alternating current with welding machines with clocked current sources is disclosed. By modifying the curent set value on the control side with temporally non-linear functions by a digital-analog converter, a flow of the welding current which has limited upper tones can be generated.

REFERENCES:
patent: 4038515 (1977-07-01), Risberg
patent: 4371776 (1983-02-01), Winn
patent: 4876433 (1989-10-01), Kashima et al.

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