Ultrasonic transducer assembly

Details Ultrasonic transducer assembly Ultrasonic transducer assembly

1989-05-08

1990-04-24

Chapman, John

Measuring and testing

Vibration

By mechanical waves

219119, 73632, 310336, B23K 1130

Patent

active

049189905

ABSTRACT:
An ultrasonic transducer assembly for monitoring the quality of spot welds employs a transducer element joined to a support element and fitted within a conventional welding electrode assembly. The transducer assembly is biased against the interior surface of the welding electrode tip by a biasing element, preferably a compression spring. A sleeve, preferably composed of brass, surrounds the transducer element and is joined to the support element. A coaxial cable in communication with external instrumentation has a ground lead attached to the sleeve, and a signal lead attached to the transducer element.

REFERENCES:
patent: 3393331 (1968-07-01), Puckett
patent: 3781576 (1973-12-01), Runde et al.
patent: 4162111 (1979-07-01), Brown
patent: 4472620 (1984-09-01), Nied
patent: 4701658 (1987-10-01), Ringermacher et al.

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