超声波探伤中使用的斜探头,目前市场上能买到的大多是采用可卸式的,有机玻璃斜楔块完全暴露在外,没有任何外壳保护。在施工条件较差的野外和高空作业中,常常由于不慎而使探头脱落,碰击在钢铁等硬物上,造成损坏。其中有机玻璃斜楔块上的沟槽损坏居多见(图)致使探头无法使用。这样势必要另换 Ultrasonic flaw detection used in the oblique probe, most of the currently available on the market are removable, plexiglass wedge completely exposed, without any shell protection. In the poor construction conditions of the field and high-altitude operations, often due to carelessness and the probe off, hit the hard objects such as steel, causing damage. Which plexiglass groove on the wedge damage mostly (Figure) resulting in the probe can not be used. This is bound to be another change