Residual stresses in machined layer for HSM impact the working performance and fatigue strength of parts.Also, they are major affecting factors of defects such as deformation and crack.

• 高速切削加工表面的残余应力的存在，对零件的各种机械性能尤其是疲劳寿命有着显著的影响，它也是产生变形和开裂等工艺缺陷的重要原因。