This paper analyses the early breaking of semiaxle of truck and probes into its causes,putting forward the feasible technological innovation project which will lengthen the service of semiaxle.

针对某载重汽车后桥半轴常发生早期断裂现状,进了分析,找出了原因,提出了切实技改方案。

The process of vacuum electron beam welding for rear-axle housing semiaxle of coach was introduced and the major problems in the process of welding was analysed.

介绍了用真空电子束焊接大型客车后桥壳半轴工艺方法,就焊接过程中存在主要问题进了分析。