Z30130×31型钻床控制系统的PLC改造1 摘 要:Z30130X31型摇臂钻床属于大型立式钻床，其传统的控制方式是利用继电器接触器原理控制。由于利用继电器接触器控制系统比较复杂，难于操作；因此本次设计是将其改造成为利用PLC控制，这样既可以提高生产效率，也可以增加其使用寿命。
首先通过对钻床工作原理的了解，然后对PLC的硬件和软件进行设计。根据钻床的工作要求选择合理的工作器件如：继电器，接触器等等，然后编写相应的程序语句表并绘制梯形图，再根据输入输出点数选择PLC型号，输入点数：22输出点数：17，所以本次设计选择FX2N-48MR型PLC并绘制硬件接线图；最后对程序进行模拟调试。
关键词：PLC；电动机；行程开关；断路器；控制按钮；控制开关；工作指示灯。毕业设计说明书目录
第一章 引言·······························································1
第二章 机床的主要参数及钻床的机械及运动形式···························2
第三章 继电器接触器控制原理·············································4
3.1制线路特点与电气线路概述·········································4
3.2控制原理分析及分立控制线路·······································5
第四章PLC控制系统的硬件设计···········································10
4.1电动机的选型·······················································10
4.2接触器的选择·······················································12
4.3自动空气断路的选型················································15
4.4热继电器的选用·····················································16
4.5中间继电器的选型···················································18
4.6万能转换开关的选型·················································18
4.7电磁铁的选型·······················································19
4.8按钮的选型··························································19
4.9位置开关的选型·····················································19
4.10导线的选型························································20
4.11变压器的选型······················································20
4.12机床电气控制系统的工艺设计······································23
4.13电气元件布置图的绘制·············································24
4.14电气接线图的绘制·················································25
4.15 可编程控制器·····················································26
4.16三菱PLC指令系统··················································35
第五章 PLC控制系统软件设计··············································37
5.1输入地址分配·······················································37
5.2输出地址分配·······················································37
5.3接线图······························································38
5.4程序语句表·························································39
第六章 程序模拟调试·······················································42第七章 总结·······························································44
致谢········································································45
参考文献···································································46
参考文献
廖常初主编. PLC基础及应用 . 北京：机械工业出版社， 2004
廖常初等.PLC的顺序控制编程方法.工业自动化，（香港），1997
廖常初主编. PLC基础及应用.北京：机械工业出版社，2002
廖常初.PLC梯形图的顺序控制设计法.电工技术杂志，2001
电机及拖动.高等教育出版社，
朱献清 编著.物业供用电.北京.机械工业出版社.2003
刘介才主编.实用供配电技术手册.北京：中国水利水电出版社，2002
常斗南主编 可编程序控制器原理*应用*实验.北京:机械工业出版社,2005
周恩涛主编 可编程序控制器原理及其在液压系统中的应用.北京:机械工业出版社.2003
求是科技编著 PLC应用开发技术与工程实践.电子工业出版社.2004
11.中华人民共和国国家标准 电气制图，北京：中国标准出版社，1987
12.余雷声主编，电气原理与PLC应用。北京：机械工业出版社，1996
13.陈宇.段鑫编.可编程控制器基础及编程技巧.广州：华东理工大学，2003
14.钟肇新，范建东编. 可编程控制器基础及应用.广州：华东理工大学，2002
