APPARATUS FOR DETECTING WATER IMMERSION ULTRASONIC FLAW

摘要

The present invention relates to an immersion ultrasonic flaw detection testing device. The immersion ultrasonic flaw detection testing device according to the present invention is an immersion ultrasonic flaw detection testing device that detects a flaw of a test specimen, including a base plate where a penetration portion is formed; a ball screw that is disposed in the penetration portion and rotates when a torque is applied; a motor that applies the torque to the ball screw; a nut that accommodates the ball screw and is linearly moved in response to the rotation of the ball screw; a pair of probes that detect the flaw of the test specimen, one of the probes being provided for ultrasonic transmission and the other one of the probes being provided for ultrasonic reception; a probe control unit where the probes are disposed, the probe control unit being connected to the nut to move positions of the probes or control inclinations of the probes. According to the present invention, a load that is applied to a side surface of the base plate is reduced in size and the motor is used for a precise movement of a position of the probe control unit. Accordingly, an error of the flaw of the test specimen that is detected can be reduced and time taken for the flaw detection testing can be shortened.