横切机组矫直过程板形变化机理及其预报模型

doi:10.3969/j.issn.1004-132X.2021.20.015

中国机械工程 ›› 2021, Vol. 32 ›› Issue (20): 2514-2519.DOI: 10.3969/j.issn.1004-132X.2021.20.015

横切机组矫直过程板形变化机理及其预报模型

白振华1,2;崔熙颖1;王伟1;景群平3;张立更1;刘亚星1;张岩岩1

1.燕山大学国家冷轧板带装备及工艺工程技术研究中心，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，秦皇岛,066004
3.中国重型机械研究院股份公司，西安,710032

出版日期:2021-10-25 发布日期:2021-11-18
通讯作者: 张岩岩（通信作者），男，1980年生，实验师。研究方向为轧制工艺和试验。发表论文20余篇。E-mail：ysuzhang2020@126.com。
作者简介:白振华，男，1975年生，教授、博士研究生导师。研究方向为板带轧制装备及工艺技术。发表论文100余篇。E-mail：bai_zhenhua@aliyun.com。
基金资助:
中央引导地方科技发展资金（206Z1004G）；
唐山市科技计划（20140209C）

Shape Change Mechanism and Prediction Model of Cross Cutting Units during Straightening Processes

BAI Zhenhua1,2;CUI Xiying1;WANG Wei1;JING Qunping3;ZHANG Ligeng1;LIU Yaxing1;ZHANG Yanyan1

1.National Engineering Research Center for Equipment and Technology of Cold Strip Rolling,Yanshan University,Qinhuangdao,Hebei,066004
2.State Key Laboratory of Metastable Materials Science and Technology, Yanshan University,Qinhuangdao,Hebei,066004
3.China Heavy Machinery Research Institute Co.,Ltd.,Xian,710032

Online:2021-10-25 Published:2021-11-18

摘要/Abstract

摘要： 充分考虑横切矫直机组设备和工艺特点，对矫直机组成品板形的变化机理进行了分析,并在此基础上进行了试验研究，探究矫直辊系对板形的影响，得出矫直机组的矫直过程是通过对带钢的多次弯曲拉直实现的；对试验数据分析处理后，进行带钢所受矫直辊的压应力和摩擦力求解，得出矫直过程板形变化数学模型，从而建立了一套完整的适合横切机组矫直过程的板形预报模型。在此基础上编制了相应的横切机组矫直过程板形预报软件，该软件能够快速求出矫直后带钢的板形分布。将软件应用到某1220横切机组的生产实践，可以明显地看出矫直后带钢的板形计算值和实测值几乎相等，板形预报结果符合现场生产实际。

关键词: 横切机组, 矫直, 板形, 预报软件

Abstract: Taking fully into account the equipment and process characteristics of the cutting straightening units, the change mechanism of the finished flatness of the straightening units was analyzed, and then, the test study was carried out to explore the influences of the straightening roll systems on the flatness. It is concluded that the straightening processes of the straightening units are realized by multiple bending and straightening of the strip steels. After the test data were analyzed and processed, the pressure stress and friction of the straightening rolls on the strip steel were solved, and the mathematical model of flatness changes in the straightening processes was obtained, so a complete flatness prediction model suitable for the straightening processes of the cross cutting units was established. Thus, the corresponding shape prediction software for the straightening processes of the cross cutting units was compiled, which may quickly calculate the shape distribution of the straightened strips. By applying the software to the production practices of a 1220 cross cutting unit, it may be clearly seen that the calculated values and the measured values of the strip shapes after straightening are almost equal. Therefore, the shape prediction results are in line with the field production practices.

Key words: cross cutting unit, straightening, shape, prediction software

中图分类号:

TG156.26

白振华, 崔熙颖, 王伟, 景群平, 张立更, 刘亚星, 张岩岩. 横切机组矫直过程板形变化机理及其预报模型[J]. 中国机械工程, 2021, 32(20): 2514-2519.

BAI Zhenhua, CUI Xiying, WANG Wei, JING Qunping, ZHANG Ligeng, LIU Yaxing, ZHANG Yanyan. Shape Change Mechanism and Prediction Model of Cross Cutting Units during Straightening Processes[J]. China Mechanical Engineering, 2021, 32(20): 2514-2519.

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http://www.cmemo.org.cn/CN/Y2021/V32/I20/2514

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横切机组矫直过程板形变化机理及其预报模型

Shape Change Mechanism and Prediction Model of Cross Cutting Units during Straightening Processes

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