机械设计课程设计计算书目录一、设计任务书..............................3二、电动机的选择计算..........................3三、传动比的分配：...........................4四、传动装置的运动和动力参数：....................5五、闭式齿轮传动设计:.........................7（一）高速级齿轮的设计：............................................7(1)材料的选择：..............................................7(2)按齿面接触强度确定中心距并确定有关参数和几何尺寸...........7(3)验算齿面接触疲劳强度......................................9(4)验算齿根弯曲疲劳强度.....................................10(5)齿轮主要几何参数.........................................11（二）低速级齿轮的设计：...........................................12(1)材料的选择：.............................................12(2)按齿面接触强度确定中心距并确定有关参数和几何尺寸..........12(3)验算齿面接触疲劳强度.....................................14(4)验算齿根弯曲疲劳强度.....................................15(5)齿轮主要几何参数.........................................16六、开式齿轮的设计..........................17(1)选择材料.................................................17(2)齿根弯曲疲劳强度确定模数..................................17(3)齿轮主要几何参数.........................................19七、轴的设计及计算及联轴器的选择.................20（一）初步确定轴的直径.............................................20-1-机械设计课程设计计算书(1)高速轴的设计.............................................20(2)中间轴的设计.............................................20(3)低速轴的设计.............................................20（二）低速轴的强度校核............................................222(1)有关参数及支点反力.......................................222（三）高速轴的强度校核............................................277（四）中间轴的强度校核............................................277八．滚动轴承的选择及寿命验算...................288（一）初选滚动轴承的型号..........................................288（二）轴承寿命验算................................................288(1)低速轴轴承寿命验算......................................288(2)中间轴的轴承寿命验算....................................299(3)高速轴的轴承寿命验算.....................................30九．键联接和联轴器的选择和校核...................30（一）键的选择.....................................................30(1)高速轴上键的选择........................