2147| 3
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CA6140车床横向进给系统数控改造设计说明书 |
CA6140车床横向进给系统数控改造设计说明书 目录 1.绪论.......................................................................................................................... 1 2.设计要求 ........................................................................................................................... 3 2.1总体方案设计要求 ................................................................................................. 3 2.2设计参数......................................................................................................... 4 2.3.其它要求 ...................................................................................................................... 4 3.进给伺服系统机械部分设计与计算 ................................................................... 8 3.1进给系统机械结构改造设计 .......................................................................... 9 3.2横向进给伺服系统机械部分的计算与选型 .................................................. 10 3.2.1确定系统的脉冲当量 ..................................................................................... 10 3.3.3 横向滚珠丝杠螺母副的型号选择与校核步骤 .............................................. 14 3.3.4齿轮有关计算 ..................................................................................................... 16 3.3.4 (2)横向齿轮及转矩的有关计算 .............................................................. 20 4. 步进电动机的计算与选型 .................................................................................. 23 4.1步进电动机选用的基本原则 ....................................................................... 23 4.2步进电动机的选折 ................................................................................................ 24 5.主轴交流伺服电机 ..................................................................................................... 24 5.1机床主运动电机的确定 ............................................................................. 26 5.2主轴的变速范围 ..................................................................................................... 26 5.3初选主轴电机的型号 ............................................................................................ 27 5.4主轴电机的校核 ........................................................................................... 27 6. 微机控制系统硬件电路设计 ............................................................................... 28 6.1控制系统的功能要求 ............................................................................................28 6.2硬件电路的组成 ........................................................................................... 28 6.3设计说明 .................................................................................................................. 31 7.安装调整中应注意的问题 .................................................................................. 31 7.1滚珠丝杠副的特点 ....................................................................................... 31 7.2滚珠丝杠螺母副的选择 ........................................................................................ 32 7.3滚珠丝杠螺母副的调整 ........................................................................................ 32 7.4联轴器的安装 ................................................................................................ 32 7.5主轴脉冲发生器的安装 ........................................................................................ 32 结论 ........................................................................................................................................ 35 参考文献 ................................................................................................................... 36
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