【摘要】 对 1 5 0Y1 5 0× 2离心油泵主轴断裂原因进行了分析 ,分析表明其主轴失效的主要原因是材质不符合设计要求、螺纹缺口根部应力集中以及冶金缺陷的存在更多还原

【Abstract】 The cause for main shaft fracture of 150Y150×2 centrifugal oil pump is analyzed. It is thought that the main cause lies in that the material does not meet design requirements and there are a stress concentration and metallurgical defects at the root of thread notch.更多还原