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摘 要
本文介紹了用可編程序控制器來(lái)對(duì)平面磨床M7120控制系統(tǒng)進(jìn)行現(xiàn)代化改造。改造后的磨床工作安全可靠，系統(tǒng)運(yùn)行情況良好，磨削精度更高；利用PLC控制磨床運(yùn)行，實(shí)現(xiàn)了磨床啟動(dòng)、停止、故障停止的功能，并且有手動(dòng)控制和自動(dòng)控制兩種控制方式，可根據(jù)運(yùn)行要求靈活切換磨床的控制方式；提供過(guò)載，輕載，斷相和電壓不平衡保護(hù)；現(xiàn)場(chǎng)顯示運(yùn)行狀態(tài)，實(shí)現(xiàn)智能化監(jiān)控。實(shí)現(xiàn)了磨床運(yùn)行的自動(dòng)化且使原機(jī)床控制大大的簡(jiǎn)單化,并且維修方便,易于檢查，工作效率更高。
關(guān)鍵詞：PLC，平面磨床，改造??
Based on PLC Surface Grinding Machine Automatic Control System's Transformation
Abstract
This paper describes that use PLC to modernize the surface grinder machine M7120’s control systems. After the transformation of the grinder , the system is work safety and reliability ,running well as well as higher precision grinding .Using PLC control grinding machine running, and the grinder start, stop, failure to stop the function, and the manual control and automatic control , Under the operational requirements switches the way of the Control
method flexibly ; provide over-load, light-load, loss of phase and the imbalance protects of voltage, demonstrate the state of the running scene and intelligent control. Grinder has realized the automation working and the control of the original machine greatly simplified and easy maintenance, easy to check, work more efficient.
Key words: Progammable Logic Controller, Surface Grinder Machine, Transformation