Automatic ultrasonic testing apparatus for detecting flaws of balls.

摘要

An immersion type automatic ultrasonic testing apparatus for detecting flaws of balls has a tank for containing a liquid medium for transmitting ultrasonic waves, a ball rotating device for rotating a ball to be tested, and an ultrasonic flaw detection device for detecting flaws in the ball. A ball feeding and removing device is provided for feeding the ball to the position of the ball rotating device and removing the tested ball from the ball rotating device to a predetermined position. The ball feeding device comprises a holding device having an air cylinder (30) and a tip with a pair of holder claws (33) moved by the air cylinder to release the ball and a pair of side support claws (38) for locating the ball.