Based on analysis of malfunction of planet - gear speed reducer in rotating die system, this paper presented corresponding revamping measures, and optimized the design of its joggle parameters.

• 通过对旋转模头系统行星齿轮减速器故障分析,提出了相应的改造对策,同时对行星齿轮减速器的啮合参数进行了优化设计。