精轧测长系统的设计与实现  

Design and Realization of Finishing Mill Length Measurement System

作　　者：谭玉倩 

机构地区：[1]山钢股份莱芜分公司自动化部,山东莱芜271104

出　　处：《机械工程与自动化》2014年第4期217-219,共3页Mechanical Engineering & Automation

摘　　要：介绍了一种精轧测长系统的实现方法,系统由热金属检测器(HMD)和PLC测长系统所组成。利用精轧变频器反馈的电机旋转所产生齿形波,模拟了一个脉冲计数器的工作过程而得出测长结果。为保证测长的精确性,综合利用了固定值补偿原理和系数补偿原理。本系统在山东钢铁莱芜分公司型钢生产线应用后,精轧测长精度明显提高,提高了成材率,减少了故障时间,创造了可观的经济效益和社会效益。This paper introduces a kind of finishing mill length measurement system for rolling line,the system is composed of hot metal detector（HMD）and PLC measure length system.Using the toothed wave feedbacked by finishing mill frequency converter and produced by motor rotation simulates the work process of a pulse counter and the length measurement result is obtained.To ensure the measuring accuracy,the system comprehensively utilizes the fixed value compensation principle and coefficient compensation principle.This system has been applied to section rolling line in Shandong Iron and Steel Company Laiwu Branch,and the result is satisfied.

关 键 词：热金属检测器 PLC 测长系统 设计 

分 类 号：TG333[金属学及工艺—金属压力加工] TP273[自动化与计算机技术—检测技术与自动化装置]