Positioning assembly for a transducer in a boresonic...

Details Positioning assembly for a transducer in a boresonic... Positioning assembly for a transducer in a boresonic...

G - Physics

01

N

349/35

G01N 29/04 (2006.01) F01D 21/00 (2006.01)

Patent

CA 1303723

ABSTRACT OF THE DISCLOSURE 53,451-B-3 An immersion base ultrasonic inspection system for interrogating the bore and near bore material of turbine and generator rotors by passing ultrasonic search units through the rotor bore. This system utilizes variable focus array inspection transducers in a shear mode inspection of the near bore material. The system includes a positioning assembly for a transducer which includes carriage means for supporting the transducer and a first positioning means for tilting one end of the carriage means in a radial axial plane whereby the transducer may be positioned at an angle to a longitudinal axis of the system. A second positioning means is provided for circumferentially rotating the transducer to a known and repeatable angular position. Position resolver means are coupled to the first and second positioning means.

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