液控式四速自动变速器设计 毕业设计说明书

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1、兰州工业学院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档位数的确定及传动的初选·············································1

3、13.2确定中心距····························································113.334兰州工业学院毕业设计初选齿轮参数··························································11第四章齿轮校核·························································144.1计算各轴的转矩···································

4、·····················144.2轮齿强度计算·························································14第五章轴的设计及校核···················································185.1轴的工艺要求·························································185.2轴的强度计算································

5、·························18第六章轴承校核·························································216.1输入轴的轴承校核···················································216.1输出轴轴承校核·····················································22第七章同步器的设34兰州工业学院毕业设计计····················

6、·································247.1同步器的结构·························································247.2同步器的主要参数确定·················································25第八章变速器的操纵机构·················································278.1变速器操纵机构的功能·····················

7、····························27经济技术分析·····························································28结论·····································································30参考文献········································································31致谢···········

8、··································································32液控式四速自动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”改变了当代世界的面貌，34兰州工业学院毕业设计它已经成为