毕业论文题目：C616车床数控系统改造院系：专业：姓名：指导教师：2014年3月1日目录摘要·········································1关键词·········································1第1章绪论·································21.1普通机床数控化改造概述·························21.2数控改造的意义······························21.3数控改造的优点······························3第2章数控机床的原理及分类·························32.1数控机床的一般原理···························32.1.1数字控制的基本概念························32.1.2数控机床的组成···························42.1.2.1信息载体···························42.1.2.2计算机数控系统·······················52.1.2.3伺服系统···························52.1.2.4机床······························52.2计算机控制系统的工作原理·······················62.2.1输入··································62.2.2译码······································62.2.3数据处理···································62.2.4插补······································62.2.5伺服控制···································62.2.6管理程序···································72.3机床数控系统的分类···························72.3.1开环控制系统······························72.3.2半闭环控制系统·······························82.3.3闭环控制系统································8第3章C616机床数控系统改造方案·······················93.1机床数控系统改造方案要求························93.2C616车床的数控改造主要包括以下两个方面·············93.2.1机械部分改造·····························93.2.2电气控制系统改造··························9第4章机械部分改造·······························104.1纵向（Z向）进给系统的计算与设计··················104.1.1纵向进给系统的设计·························104.1.2纵向进给系统的设计计算························114.1.2.1切削力计算··························114.1.2.2滚珠丝杠设计及计算······················134.1.2.2.1强度计算··························134.1.2.2.2效率计算···························134.1.2.2.3刚度验算··························144.1.2.2.4稳定性验算·························144.1.2.3齿轮及转矩的有关计算······················144.1.2.3.1有关齿轮计算·························144.1.2.3.2转动惯量计算·············...
