x5032铣床改造毕业说明书

x5032铣床改造毕业说明书目录
摘要……………………………………………………………………………………………1
引言.....................................．．．．．......................．．．．4
第1章 总体方案的确定.............．.............. .....................．５
1.1设计的基本参数..... .............. ... ..........................５
1.2设计内容........．．．．．．．．．．．．．．．．．．．．．．．................．.．．．．．５
1.3设计要求 ........................... ............................５
　　 1.4选择脉冲当量........................... .........................６
1.5计算铣削力...................... ................................６
第2章　滚珠丝杆螺母副的计算和选型．．．．．．．．．．．．．．........................７
2.1Ｘ向（纵向）进给丝杆..................... ..................．．．．.７
2.1.1计算进给牵引力.........................................．．．．．７2.1.2计算最大动负载C............................................．．．8
2.1.3滚珠丝杆螺母副的选择...........................................８
2.1.4传动效率计算....................... .......................．．．．８
2.1.5刚度计算........................................................8
2.1.6稳定性校核............................ ......................．10
2.2Ｚ向（横向）进给丝杆..........................................．．．．11
2.2.1计算进给牵引.............................................．．．11
2.2.2计算最大动负C........................... ....................．．11
2.2.3滚珠丝杆螺母副的择........................ ....................11
2.2.4传动效率算.....................................................11
2.2.5刚度算.........................................................11
2.2.6稳定性校核.............................. ...................．．．12
第3章　齿轮传动比计算............................. ......................14
3.1纵向进给齿轮箱传动比计算.........................................14
3.2横向进给齿轮箱传动比计算.........................................14
第４章　步进电动机的计算和选型...........................................15
4.1纵向进给步进电机计算.............................................15
4.1.1等效转动惯量计算...........．．．．．．．............................15
4.1.2电机力矩计算...........．．．．．．．................................15
4.1.3计算步进电机空载载起动频率和切削时的工作步频率.................17
4.2横向进给步进电机计算和选型...........................