In this paper, the state-of-arts of machining methods of gear sleeve slide slots of automotive synchronizer is introduced.The new idea of flying-cutter cycloid machining method is put forward.

• 摘要本文分析了汽车同步器齿套滑块槽的加工现状，提出了釆用飞刀摆线加工同步器齿套滑块槽的新方法，设计了专用切削刀具。