1974年,一台涡轮喷气发动机发生了压气机盘轮缘断裂的事故,以后又相继发生两次。上级领导机关极为重视,组织了有关单位参加的调查组,对上述三次事故的现场进行了详细的调查,排除了外来物打进发动机、轴承卡死等各种可能造成事战的偶然因素,并认为事故与使用、维护无关。初步肯定事故系压气机盘轮缘突然断裂。第二、三次盘的断裂外貌 In 1974, a turbojet engine accident occurred in the rupture of the compressor disc flange, and later occurred one after another. The leading organs at the higher level attached great importance to the fact that investigation teams participating in the relevant units organized a detailed investigation on the scene of the above three accidents and ruled out all kinds of contingencies that could cause hostilities such as the intrusion of engines into foreign engines and the jamming of bearings. That the accident and use, maintenance has nothing to do. Initially confirmed the accident Department of compressor disc rim suddenly broken. The second, three disk fracture appearance