NGW(2K-H负号机构)行星减速装置设计

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NGW(2K-H负号机构)行星减速装置设计1.课程设计任务书················································ 2

2.电动机选择···················································· 3

3.传动比及其分配················································ 3

4.前减速器设计·················································· 3

5.行星齿轮减速器齿轮设计········································ 7

6.行星齿轮传动轴及键的设计······································ 12

7.轴承寿命计算·················································· 21

8.齿轮加工工艺·················································· 23

9.箱体结构尺寸·················································· 23

10.附录1······················································· 25

11.参考文献····················································· 28

12.感想························································· 29