盐城工学院机械工程系毕业设计
3．4．1 Ⅰ 轴的转速.................................................................................13
3．4．2 中间传动轴的转速.......................................................................14
3．5 转速图拟定...............................................................................................................14
4 动力计算..............................................................................................16
4.1 齿轮的计算..................................................................................................................16
4.1 .1 确定齿轮齿数和模数（查表法）.........................................................16
4．1. 2 确定齿轮的齿数和模数（计算法）并校核........................................18
4．1. 3 齿轮的精度设计；.........................................................................21
4.2 电磁离合器的选择和使用.........................................................................................26
5 轴的设计和验算.....................................................................................27
5.1 轴的结构设计..............................................................................................................27
5.2 轴的强度校核(以Ⅰ轴为例).......................................................................................28
5.2.1 选择轴的材料...................................................................................28
5.2.2 初估轴径.........................................................................................28
5.2.3 结构设计.........................................................................................29
§5.2.4 轴的受力分析.................................................................................30
5.3 轴的刚度校核(以Ⅰ轴为例).......................................................................................33
6 主轴变速箱的装配设计............................................................................36
6.1 箱体内结构设计的特点..............................................................................................36
6.2 设计的方法(以轴的布置为例)...................................................................................37
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致谢 ........................................................................................................40
参考文献..................................................................................................41
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