整辊内嵌式板形仪挠度干扰信号的消除方法  

Method of eliminating deflection interference signal of whole roll embedded flatness meter

作　　者：王东城 徐扬欢[1] 于华鑫 刘宏民 WANG Dong-cheng;XU Yang-huan;YU Hua-xin;LIU Hong-min(National Engineering Research Center for Equipment and Technology of Cold Rolling Strip,Yanshan University,Qinhuangdao 066004,Hebei,China;State Key Laboratory of Metastable Materials Science and Technology,Yanshan University,Qinhuangdao 066004,Hebei,China)

机构地区：[1]燕山大学国家冷轧板带装备及工艺工程技术研究中心,河北秦皇岛066004 [2]燕山大学亚稳材料制备技术与科学国家重点实验室,河北秦皇岛066004

出　　处：《钢铁》2020年第10期56-62,共7页Iron and Steel

基　　金：河北省高端人才和“巨人计划”创新团队资助项目(2019)。

摘　　要：板形测控技术是生产高端冷轧带钢的必备技术,针对国产板形测控系统研发过程中遇到的一系列新的科学技术问题,研究了如何消除整辊内嵌式板形仪挠度引起的干扰信号。首先,分析了整辊内嵌式板形仪结构特点与传感器连接型式的特殊性;然后,分析了板形信号的理想波形与实际波形特征,根据其特征提出一种新的挠度干扰信号的消除方法,根据传感器安装位置固定的特点确定干扰信号相位,以有效信号之间波形平直为目标对干扰信号幅值进行优化;最后,通过实例和工业应用对该方法的有效性进行验证。研究结果表明,该方法可以高效精确地消除挠曲附加波形,使径向压力和板形分布变得平滑,有效提高检测精度。Flatness measurement and control technology is necessary to produce high-end cold rolling strip.A series of new scientific and technological problems have been encountered during the development course of domestic flatness measurement and control system.How to eliminate the interference signal caused by the deflection of the whole roll embedded flatness meter was focused on.First of all,the structure characteristics of the whole roll embedded flatness meter and the particularity of the sensor connection type are analyzed.Then,the ideal waveform and the actual waveform characteristics of the flatness signal are analyzed,according to their characteristics,a new method of eliminating deflection interference signal is proposed.The interference signal phase is determined according to the characteristics of the fixed sensor installation position,while the interference signal amplitude is optimized with the flat waveform between the effective signals.Finally,the effectiveness of the method is verified by examples and industrial applications.The results show that the method can effectively and accurately eliminate the additional deflection waveform,make the radial pressure and flatness distribution smoother,and effectively improve the detection accuracy.

关 键 词：整辊内嵌式 板形仪 挠度 干扰信号 消除方法 

分 类 号：TG335.56[金属学及工艺—金属压力加工]