C6132车床横向进给运动系统数控化改造设计【设计说明书（论文）+CAD图纸】

目    录

1. 总体方案确定.......................................4

  1.1、C6132工艺范围...................................4

  1.2、设计任务.........................................4

  1.3、总体方案.........................................4

    1.3.1、进给系统改造.................................4

    1.3.2、伺服系统改造.................................5

    1.3.3、导轨改造.....................................6

    1.3.4、控制系统改造.................................6

    1.3.5、系统框图.....................................6

2、机械部分改造........................................6

  2.1、C6132普通车床的改造.............................6

  2.2、切削力的计算....................................6

    2.2.1、主切削力....................................7

    2.2.2、进给力与背吃刀力.............................7

    2.2.3、工作载荷....................................7

  2.3、滚珠丝杠的计算及选型.............................8

    2.3.1、丝杠转速....................................8

    2.3.2、承载能力计算.................................8

    2.3.3、计算额定载荷.................................9

    2.3.4、滚珠丝杠螺母选型............................10

    2.3.5、压杆稳定性校核..............................11

    2.3.6、刚度演算...................................12

    2.3.7、传动效率...................................12

    2.3.8、临界转速...................................12

    2.3.9、最大转速...................................13

    2.3.10、压弯临界转速...............................13

    2.3.11、预紧力....................................13

    2.3.12、丝杠与导轨间接触变性.......................14

  2.4、减速齿轮的计算.................................14

  2.5、步进电机的计算及选型............................16

    2.5.1、反应式步进电机特性..........................17

    2.5.2、步进电机选型考虑因素........................18

    2.5.3、步进电机初选................................19

    2.5.4、步进电机校核................................20

  2.6、导轨的选型......................................24

1. 数控部分硬件电路设计..............................24

   3.1、硬件电路组成...................................24

   3.2、中央处理器选择.................................22

   3.3、存储器的扩展及选型.............................23

   3.4、其他电路设计...................................24

1. 总结..............................................28
2. 致谢..............................................29
3. 参考文献..........................................30