Apparatus for ultrasonic testing of tubular goods

Details Apparatus for ultrasonic testing of tubular goods Apparatus for ultrasonic testing of tubular goods

1982-08-11

1984-10-09

Birmiel, Howard A.

Measuring and testing

Vibration

By mechanical waves

73637, 73638, G01N 2904

Patent

active

044753993

ABSTRACT:
Apparatus for ultrasonic flaw inspection of non-rotating tubular goods. The apparatus includes a test head with circumferential arrays of transducers oriented for inspection for each of transverse, longitudinal and wall thickness defects, and the test head includes individual pulser and pre-amplifier arrays as sequentially controlled from a remotely disposed operator console. The console includes sequential signal processing circuitry for developing and displaying defect indications for the test specimen as it is moved longitudinally through the test head. The signal processing circuitry includes separate processing channels for each of the transverse, longitudinal and wall thickness transducers, and each channel includes receiver, gate processing and average counter circuitry which develop data signals for output to selected chart and monitor scope indicators.

REFERENCES:
patent: 3593569 (1971-07-01), Wilson
patent: 3868847 (1975-03-01), Gunkel
patent: 3955425 (1976-05-01), Corneau
patent: 3958451 (1976-05-01), Richardson
patent: 3981184 (1976-09-01), Matay
patent: 4106347 (1978-08-01), De Kerlegand

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