The process of vacuum electronbeam welding for rear-axle housing semiaxis 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的工艺方法，并就焊接过程中存在的主要问题进行了分析。
2
This article introduces the process and characteristics of clutch gear welded by vacuum electronbeam and jig design for better welding quality.
论述了离合器齿轮采用真空电子束焊接的工艺过程及特点，并设计夹具以保证焊接质量。
3
The mold manufacturing is the key part in imprint lithography process, which includes electronbeam direct writing, stepping molding, and the conversion from small mold to big mold.