Z5140立式钻床主传动系统设计

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机制设计机床设计任务.............. ................................２
绪论..........................................................３
１主电机选用..................................................４
２转速图的拟定................................................５
２.１选择公比...............................................５
２.２选择结构式.............................................６
２.３拟定转速图.............................................７
３确定各变速组变速副齿数......................................８
３.１齿轮齿数的确定应注意的问题.............................９
３.２齿轮的计算............................................１０
３.３齿轮的布置............................................１１
３.４主传动系统图..........................................
４轴的计算和确定.............................................１２
４.１确定主轴和各轴的计算转速..............................１２
４.２确定传动轴的计算转速..................................１３
４.３轴颈的确定............................................１４
４.４主轴轴颈直径的确定....................................１５
５各变速组齿轮模数的确定和校核...............................１６
５.１齿轮模数的初步计算....................................１７
５.２齿轮校核..............................................１８
６轴的校核...................................................１９
６.１主轴的扭转刚度校核....................................２０
６.２扭转刚度校核..........................................２１
７联轴器的设计...............................................２２
７.１选择联轴器的类型......................................２２
７.２计算联轴器的计算扭矩..................................２３
７.３确定联轴器的型号......................................２４
７.４校核最大转速..........................................２５
７.５协调轴孔直径..........................................２６
７.６规定部件相应的安装精度................................２７
８轴承的选择和验算...........................................２８
８.１轴承的选择............................................２９
８.２轴承寿命的验算........................................３０
总结.........................................................３２
参考文献.....................................................３３