本文叙述了滚动轴承轮对在不退卸轴承内套的情况下,采取通常的CTS-8C等型超探仪分段检测的方法及车轴镶入部施行超声波探伤的基本步骤;同时介绍了具有两种发射频率的新型变角探头的结构及使用方法,特别是改装滚动轴承后,对车轴镶入部的检测提出了一些改进措施。 This paper describes the roller bearing pairs in the case of non-withdrawal of the bearing sleeve to take the usual method of CTS-8C isometric detection device subsection detection method and the shaft insert the implementation of ultrasonic flaw detection basic steps; at the same time introduced with two The structure and the method of using a new type of variable angle probe with transmitting frequency, especially after the modification of the rolling bearing, put forward some measures to improve the testing of the axle inserting part.