精选优质文档-倾情为你奉上毕业设计中英文翻译学生姓名: 学号: 学 院: 机械设计制造及其自动化专 业: 指导教师: 年 月Planetary GearsIntroductionThe Tamiya planetary gearbox is driven by a small DC motor that runs at about 10,500 rpm on 3.0V DC and draws about 1.0A. The maximum speed ratio is 1:400, giving an output speed of about 26 rpm. Four planetary stages are supplied with the gearbo