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论文编号:ZD050 字数:33935,页数:53
摘 要
为了充分发挥设备效能，迅速提升加工技术与精度，越来越多的企业每年投入大量资金和技术对传统老式组合机床进行技术改造，取得了良好的效果。用PLC模块、变频驱动技术、操控监控设备等组成电气数字控制系统，以实现编程输入、人机交互、自动化加工的控制方式，扩大加工能力，减少故障，提高效率，已成为企业进行技术改造的有效途径。
论文以A7-39组合机床的数控化改造为背景，概述了组合机床数控化改造的设计方案与应用技术，并对PLC的发展与应用作了简要介绍。论文介绍了PLC编程特点和方式，重点以三菱FX2N型PLC为例，介绍了PLC编程环境，并对A7-39组合机床应用编程作了阐述。论文还进一步阐述了PLC接口与通信技术，介绍了FX2N系列PLC的网络协议，另外对人机界面HMI也做了论述。
关键词：PLC；编程技术；组合机床
基于PLC的组合机床控制系统设计 THE DESIGN OF TRANSFER AND UNIT MACHINE CONTROL SYSTEM BASED ON PLC
Abstract
More and more financing and technology are plough into the tradition machine for exerting efficiency and prompting precision rapidly, acquire well impression. Now it become efficiency approach for corporation reconstructive，by numeric control systemcomposing PLC module frequency and conversion control and inspect equipment carry out programme import and automatization control，to reduce trouble and improve efficiency.
The paper summarize the design project and application technology in machine numeric control system, and introduce the PLC development and application in simply, by the machine numeric control system reconstructive.The paper introduce the PLC programme specialty and mode，emphases the STEP7- Micro/Win 32 design project and application technology for example FX2N PLC. Combined to apply the plait distance to make to elaborate to A7-39 pair pillarses sign type lathe.And the paper introduces the PLC interface technology，network protocol FX2N and the HMI.
Keywords： PLC；programme technology；transfer and unit machine
目 录
摘要 ..................................................................I
Abstract ..............................................................II
第1章概述............................................................. 5
1.1 组合机床概述 .......................................................5
1.2 组合机床的发展 .....................................................5
1.3 组合机床装配模型................................................... 6
1.4 组合机床及其体系结构的发展现状 .....................................7
1.5 本章小结 ...........................................................9
第2章 组合机床结构与运动形式 ...........................................10
2.1 组合机床结构....................................................... 10
2.2 组合机床的基本配置 .................................................11
2.3本设计组合机床运动形式 ..............................................13
第3章 电气控制系统设计 .................................................15
3.1 PLC简介 ............................................................15
3.2 PLC的结构和工作原理 ...............................................16
3.2.1 PLC的组成........................................................16
3.2.2 PLC程序的表达方式 ...............................................17
3.2.3 PLC的工作方式................................................... 18
3.3 PLC模块选型及介绍 .................................................21
3.4 I/O地址分配及外部配线 .............................................21
第4章 PLC编程技术 ......................................................23
4.1 概述 ...............................................................23
4.2 编程语言的形式 .....................................................23
4.3 PLC的I/O分配表..................................................... 25
4.3 PLC控制的程序设计 ..................................................26
4.4 PLC 控制梯形图..................................................... 28
4.5 本章小结........................................................... 30
第5章 安装维护 .........................................................31
5.1 扩展设备组成....................................................... 31
5.2 现场环境 ..........................................................31
5.3 安装工程 ..........................................................32
5.3.1 安装注意事项.................................................... 32
5.3.2 配线方面的注意事项 ..............................................32
第6章 结论............................................................. 34
6.1 论文总结 ...........................................................34
6.2 进一步研究的方向与内容............................................. 34
致谢................................................................... 35
参考文献............................................................... 36
附录A（参考原文） ......................................................37
附录 B （译文）........................................................ 44
