基于plc的平面磨床自動控制系統(tǒng)的改造1

基于plc的平面磨床自動控制系統(tǒng)的改造1,基于,plc,平面磨床,自動控制系統(tǒng),改造 摘 要 由于工廠企業(yè)中很多磨床年代久遠(yuǎn)，其工作已遠(yuǎn)遠(yuǎn)達(dá)不到現(xiàn)代生產(chǎn)的要求。因此有必要對舊式的常規(guī)電動機控制系統(tǒng)進(jìn)行技術(shù)改造，以可編程序控制器取代常規(guī)的繼電器，以達(dá)到磨床的自動化控制。本文介紹了用可編程序控制器來對平面磨床控制系統(tǒng)進(jìn)行現(xiàn)代化改造，簡要敘述了老式成型平面磨床的工作原理及用PLC進(jìn)行改造設(shè)計的方法和設(shè)計步驟，并給出PLC編程程序梯形圖。改造后的磨床工作安全可靠，系統(tǒng)運行情況良好，磨削精度更高；利用PLC控制磨床運行，實現(xiàn)了磨床啟動、停止、故障停止、緊急停止的功能，并且有手動控制和自動控制兩種控制方式，可根據(jù)運行要求靈活切換磨床的控制方式；提供過載，輕載，斷相和電壓不平衡保護(hù)；現(xiàn)場顯示運行狀態(tài)，實現(xiàn)智能化監(jiān)控。并因所吸工件的不同靈活調(diào)節(jié)電磁吸盤的電流，并且顯示數(shù)值大小。從而實現(xiàn)了磨床運行的自動化。PLC控制的特點使原機床控制大大的簡單化,并且維修方便,易于檢查。節(jié)省大量的繼電器元件,使機床的工作效率更高。該項技術(shù)還可推廣應(yīng)用于其他輔機設(shè)備或其他領(lǐng)域的自動化控制改造中。 關(guān)鍵詞：可編程序控制器? 平面磨床?? 改造 Based on PLC Surface Grinding Machine Automatic Control System's Transformation Abstract Many factories and enterprises as a result of old grinder, the work has been far below the requirements of modern production. So it is necessary to the old conventional motor control system technology to replace the conventional programmable logic controller of the relay in order to achieve automatic control grinder.This paper introduces the programmable logic controller to use on surface grinding machine control system modernization, a brief description of the old surface grinder forming the working principle and use of PLC to carry out the transformation design method and design steps and procedures are given PLC ladder programming . Modified the work of safe and reliable machine, the system is running in good condition, a higher precision grinding PLC to control the use of grinder operation, the achievement of the grinding machine to start, stop, failure to stop, emergency stop function, and there are two types of manual control and automatic control mode, can be flexible according to operational requirements of the control switch grinder; provided on the light load , Open-phase protection and voltage imbalance; show running at the scene, the realization of intelligent monitoring.And due to the different parts of the absorption of electromagnetic sucker the flexible adjustment of the current, and show numerical size. In order to achieve the automation of the grinding operation. PLC-controlled machine tool control features to allow greatly simplified, and easy maintenance, easy to check. Save a lot of relay components, so that the efficiency of the higher machine. The technology can also be applied to other auxiliary equipment or other areas of the transformation of automatic control. Key words: Progammable Logic Controller, Surface Grinder Machine, Transformation