Rotating ultrasound investigation in front of the direction of

摘要

1530454 Ultrasonic inspection devices BRITISH STEEL CORP 13 May 1976 [13 May 1975] 20149/75 Heading G1G A rotary ultrasonic testing apparatus comprises an annular stator 2, 3; a replaceable annular ultrasonic probe assembly 10 mounted for rotation on the stator, first 4 and second 7 non rotatable replaceable annular or tubular guideways for the articles to be tested, the guideways providing a snug fit for the articles and each guideway providing a side surface 46, 47 adjacent the probe assembly 10 which serves at least partially as a radially inwardextending side wall for the probe assembly. As described replaceable stainless steel sleeves 4, 7 have aligned grooves 6, 9 to accommodate a finned tube, the sleeve 4 having a wall thickness increasing from the flange 5 and also providing the water couplant supply to the assembly 10 via channels 25 and orifices 26.