CA6140 车床数控改造设计说明书目录1.绪论 12.设计要求.............................................................32.1 总体方案设计要求.................................................3 2.2 设计参数 4 2.3.其它要求..........................................................43.进给伺服系统机械部分设计与计算 83.1 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.........................103.2.1 确定系统的脉冲当量...........................................103.3.3 横向滚珠丝杠螺母副的型号选择与校核步骤............................143.3.4 齿轮有关计算..................................................163.3.4 (2)横向齿轮与转矩的有关计算...................................204.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................................................245.主轴沟通伺服电机..................................................24 5.1 机床主运动电机的确定..........................................26 5.2 主轴的变速围....................................................265.3 初选主轴电机的型号..............................................27 5.4 主轴电机的校核..................................................276. 微机控制系统硬件电路设计.......................................286.1 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........................................................317．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...........................................327.3 滚珠丝杠螺母副的调整...........................................327.4 联轴器的安装........................................................32 7.5 主轴脉冲发生器的安装....................
