毕业设计（论文）-二轴四档汽车变速器设计

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1、沈阳建筑大学毕业设计目录第一章绪论······························································1第二章变速器的基本设计方案··············································62.1概述···································································62.2变速器的结构分析与型式选择······················

2、·······················62.3轿车变速器机构方案的选择···············································92.4变速器设计的基本要求··················································10第三章变速器齿轮的设计·················································113.1确定车轮直径····························

3、······························113.2确定主减速器传动比····················································123.342沈阳建筑大学毕业设计确定一挡传动比························································123.4各挡传动比的确定······················································133.5确定中

4、心距····························································133.6初选齿轮参数··························································13第四章齿轮校核·························································224.1计算各轴的转矩··········································

5、··············224.2轮齿强度计算·························································22第五章轴的设计及校核···················································305.1轴的工艺要求·························································305.2轴的强度计算···························

6、······························30第六章42沈阳建筑大学毕业设计轴承校核·························································336.1.1输入轴的轴承校核···················································336.1.2输出轴轴承校核·····················································34经济技术分析··

7、···························································36结论·····································································38参考文献········································································39致谢·····································

8、········································40附录一···································································1附录二···································································5轻型轿车变速器设计第一章绪论汽车是作为一种交通工具而产生的，但发展到今天已经不能把它理解为单纯的行的手段。因为“汽车化