In this project, the assembly part- Hollow Spline made of Titanium alloy consists 2 parts welded by EBW. It has varying section, long length, thin wall, low strength and stiffness and hard to machine, easy to deform.

• 本课题研究的钛合金薄壁零件花键管是由2个单件电子束焊接而成的组件；不等截面；长度长；壁薄；强度、刚度均差；加工时难度大且容易变形.