Monitoring sensor for the production of welds

Details Monitoring sensor for the production of welds Monitoring sensor for the production of welds

1985-09-30

1987-03-17

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913001, B23K 912

Patent

active

046509585

ABSTRACT:
The reception signals of sensor microphones employed in arc welding which pick up ultrasound radiation emanating from the welding arc 5 are checked for their cross-correlation with one another and the follow-up quantity is identified from the value of the cross-correlation. Apart from the microphones to be applied, this requires no modification and/or special design of the actual arc welding apparatus.

REFERENCES:
patent: 3679865 (1972-07-01), Jesnitzer et al.
patent: 4326155 (1982-04-01), Griebeler
patent: 4419562 (1983-12-01), Jon et al.
J. P. Foith, "Sensoren fur das Vollmechanische Lichtbogenschweiben-Sensor Systeme", Schweissen & Schneiden, 3/1980, pp. 89-93.

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