C616车床数控系统改造.docx

毕业论文

题目：C616车床数控系统改造

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2014年3月1日

目录
摘要·········································1
关键词·········································1
第1章绪论·································2
1.1普通机床数控化改造概述·························2
1.2数控改造的意义······························2
1.3数控改造的优点······························3
第2章数控机床的原理及分类·························3
2.1数控机床的一般原理···························3
2.1.1数字控制的基本概念························3
2.1.2数控机床的组成···························4
2.1.2.1信息载体···························4
2.1.2.2计算机数控系统·······················5
2.1.2.3伺服系统···························5
2.1.2.4机床······························5
2.2计算机控制系统的工作原理·······················6
2.2.1输入··································6
2.2.2译码······································6
2.2.3数据处理···································6
2.2.4插补······································6
2.2.5伺服控制···································6
2.2.6管理程序···································7
2.3机床数控系统的分类···························7
2.3.1开环控制系统······························7
2.3.2半闭环控制系统·······························8
2.3.3闭环控制系统································8
第3章C616机床数控系统改造方案·······················9
3.1机床数控系统改造方案要求························9
3.2C616车床的数控改造主要包括以下两个方面·············9
3.2.1机械部分改造·····························9
3.2.2电气控制系统改造··························9
第4章机械部分改造·······························10
4.1纵向（Z向）进给系统的计算与设计··················10
4.1.1纵向进给系统的设计·························10
4.1.2纵向进给系统的设计计算························11
4.1.2.1切削力计算··························11
4.1.2.2滚珠丝杠设计及计算······················13
4.1.2.2.1强度计算··························13
4.1.2.2.2效率计算···························13
4.1.2.2.3刚度验算··························14
4.1.2.2.4稳定性验算·························14
4.1.2.3齿轮及转矩的有关计算······················14
4.1.2.3.1有关齿轮计算·························14
4.1.2.3.2转动惯量计算·························15
4.1.2.3.3所需转动力矩计算······················15
4.2横向（X向）进给系统计算与设计····················17
4.2.1横向进给系统的设计··················