1、 0 摘要摘要 本论文是研究机械加工中常用的 Z3040 摇臂钻床传统电气控 制系统的改造问题， 旨在解决传统继电器接触器电气控制系统存在 的线路复杂、可靠性稳定性差、故障诊断和排除困难等难题。由于 PLC 电气控制系统与继电器接触器电气控制系统相比， 具有结构简 单、程序方便，调试周期短，可靠性高，抗干扰能力强，故障率低， 对于环境要求等一系列优点。 因此， 本论文对 Z3040 摇臂钻床电气控 制系统的改造，将把 PLC 控制技术应用到改造方案中去，从而大大 提高摇臂钻床的工作性能。论文分析了摇臂钻床的控制原理，制定了 可编程控制器改造 Z3040 摇臂钻床电气控制系统的设计方案， 完成了
2、 电气控制系统硬件和软件的设计， 其中包括 PLC 机型的选择、VO 端 口的分配、VO 硬件接线图的绘制、 PLC 梯形图程序设计。 对 PLC 控 制摇臂钻床的工作过程作了详细阐述，论述了采用 PLC 取代传统继 电器接触器电气控制系统从而提高机床工作性能的方法， 给出了相 应的控制原理图。 关键词：可编程控制器，摇臂钻床，梯形图，电气控 制系统 1 Abstract This paper is to studies the machine process in common use Z3040 in inside radial drilling machine electric cont
3、rol system improves problem.The aim is solving device complexity ,inferior reliability and stability,malfuntion analysis and trouble obviation of the traditional relay electric control system.Because of electric control system PLC there are lots of advantages which include design,install,connect the
4、 line and adjust to try workload small,the period of research and manufacture is short,reliability is high,the ability of Anti-interference is very strong,the rate of break down is low,the demand of work environment is low,maintenance convenience a series of advantage etc.Therefore,a work for to the
5、 Z3040 radial drilling machine electric control system reforming,will reforming PLC control technique application in the project,then increasing radial driling machines work function.The paper introduces to the control principle of the radial drilling machine.Established the programmable controller
6、improve the design project of electric control system of Z3040 radial drilling machine.Completed the design of the sofware and hardware of the electric control 2 system ,Among them include the model of PLC choice、the I/O allotment of the address、the I/O hardware connects the line diagram、PLC trapezium diagrams design.It explains that PLC control the work process of radial drilling machine. Discussing the adoption PLC replaces the traditional electric control systems metho
