数控车床主轴箱毕业论文

目录

目录.....................................................................................................................................................1
一、前言.............................................................................................................................................2

  1.1 数控机床主传动系统的特点...........................................................................................2
 1.2  主传动系统的设计要求...................................................................................................2

二、主传动方案选择与设计............................................................................................................3

2.1 数控车床主传动总体方案选择.........................................................................................3
2.2 主传动系统结构设计..........................................................................................................4
2.3 计算转速的确定..................................................................................................................5
2.4 传动级数的确定..................................................................................................................6

三、电动机的选择..........................................................................................................................14

3.1 直流主轴驱动系统得特点................................................................................................15
3.2 

 

交流主轴驱动系统 ...........................................................................................................16

3.3 选择电机.............................................................................................................................16

四、确定齿轮齿数..........................................................................................................................17

4.1 选定齿轮类型,精度等级,材料及齿数.............................................................................17
4.2

                                                        

按齿面接触强度设计

................................17

4.3 按齿根弯曲强度设计........................................................................................................20
4.4 几何尺寸计算....................................................................................................................22
4.5 验算.....................................................................................................................................23

  

五 皮带轮的设计计算...................................................................................................................25
六、主轴结构设计..........................................................................................................................28

6.1 对主轴组件的性能要求....................................................................................................28
6.2 轴承配置型式....................................................................................................................29
6.3 主要参数的确定................................................................................................................30
6.4 主轴头的选用....................................................................................................................31

总结与体会.......................................................................................................................................32
致谢词...............................................................................................................................................33