图 上海久通大学 Outline ▣Types of Gear trains Velocity ratio for fix-axis gear train Velocity ratio for epicyclic gear train Gear trains Gear shaft supporter Fixed Epicyclic Complex 定轴轮系 周转轮系 复合轮系 Non-reverted Simple gear Compound train gear train Reverted 圆上泽支大学 Velocity ratio for fix-axis gear train Input ⊕ v=@r @inin=ouou A Output (b)Internal set =() =(±) =(±) dp 99 Outline  Types of Gear trains  Velocity ratio for fix-axis gear train  Velocity ratio for epicyclic gear train Gear trains Fixed 定轴轮系 Compound gear train Simple gear train Epicyclic 周转轮系 Complex 复合轮系 Gear shaft supporter Non-reverted Reverted v  ωr ωin in out out r  ω r Input Output P G P G P G GP N N d d ω ω i  ()  ()  () Velocity ratio for fix-axis gear train