Prediction and Control Technology of Stainless Steel Quarter Buckle in Hot Rolling

To obtain the good flatness of hot-rolled stainless-steel strips, high-precision shape control has always been the focus of research. In hot rolling, the quadratic wave (centre buckle and edge wave) can usually be controlled effectively. However, the quarter buckle of the strip is still a challenge...

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Main Authors: Hui Li, Chihuan Yao, Jian Shao, Anrui He, Zhou Zhou, Weigang Li
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Metals
Subjects:
Online Access:https://www.mdpi.com/2075-4701/10/8/1060
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author Hui Li
Chihuan Yao
Jian Shao
Anrui He
Zhou Zhou
Weigang Li
author_facet Hui Li
Chihuan Yao
Jian Shao
Anrui He
Zhou Zhou
Weigang Li
author_sort Hui Li
collection DOAJ
description To obtain the good flatness of hot-rolled stainless-steel strips, high-precision shape control has always been the focus of research. In hot rolling, the quadratic wave (centre buckle and edge wave) can usually be controlled effectively. However, the quarter buckle of the strip is still a challenge to solve. In this paper, a prediction model of roll deflection and material flow is established to study the change rule and control technology of the quarter buckle. The effects of the process parameters on the quarter buckle are analysed quantitatively. The process parameters affect the quarter buckle and the quadratic wave simultaneously. This coupling makes the control of the quarter buckle difficult. The distribution of lateral temperature and the quartic crown of the strip have less effect on the quadratic wave but have a great effect on the quarter buckle. Finally, a new technology for work roll contour is developed to improve the quarter buckle. Through industrial application, the model and the new contour are proved to be effective.
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spelling doaj.art-10888be248d24d799dc30929f73f1a4a2023-11-20T09:16:54ZengMDPI AGMetals2075-47012020-08-01108106010.3390/met10081060Prediction and Control Technology of Stainless Steel Quarter Buckle in Hot RollingHui Li0Chihuan Yao1Jian Shao2Anrui He3Zhou Zhou4Weigang Li5Institute of Engineering Technology, University of Science and Technology Beijing, Beijing 100083, ChinaInstitute of Engineering Technology, University of Science and Technology Beijing, Beijing 100083, ChinaInstitute of Engineering Technology, University of Science and Technology Beijing, Beijing 100083, ChinaInstitute of Engineering Technology, University of Science and Technology Beijing, Beijing 100083, ChinaGuangxi Beibu Gulf New Materials Company Limited, Beihai 536000, ChinaEngineering Research Centre for Metallurgical Automation and Measurement Technology of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, ChinaTo obtain the good flatness of hot-rolled stainless-steel strips, high-precision shape control has always been the focus of research. In hot rolling, the quadratic wave (centre buckle and edge wave) can usually be controlled effectively. However, the quarter buckle of the strip is still a challenge to solve. In this paper, a prediction model of roll deflection and material flow is established to study the change rule and control technology of the quarter buckle. The effects of the process parameters on the quarter buckle are analysed quantitatively. The process parameters affect the quarter buckle and the quadratic wave simultaneously. This coupling makes the control of the quarter buckle difficult. The distribution of lateral temperature and the quartic crown of the strip have less effect on the quadratic wave but have a great effect on the quarter buckle. Finally, a new technology for work roll contour is developed to improve the quarter buckle. Through industrial application, the model and the new contour are proved to be effective.https://www.mdpi.com/2075-4701/10/8/1060quarter buckleroll stack deflectionstrip material flowroll contour optimisationhot-rolled stainless steel
spellingShingle Hui Li
Chihuan Yao
Jian Shao
Anrui He
Zhou Zhou
Weigang Li
Prediction and Control Technology of Stainless Steel Quarter Buckle in Hot Rolling
Metals
quarter buckle
roll stack deflection
strip material flow
roll contour optimisation
hot-rolled stainless steel
title Prediction and Control Technology of Stainless Steel Quarter Buckle in Hot Rolling
title_full Prediction and Control Technology of Stainless Steel Quarter Buckle in Hot Rolling
title_fullStr Prediction and Control Technology of Stainless Steel Quarter Buckle in Hot Rolling
title_full_unstemmed Prediction and Control Technology of Stainless Steel Quarter Buckle in Hot Rolling
title_short Prediction and Control Technology of Stainless Steel Quarter Buckle in Hot Rolling
title_sort prediction and control technology of stainless steel quarter buckle in hot rolling
topic quarter buckle
roll stack deflection
strip material flow
roll contour optimisation
hot-rolled stainless steel
url https://www.mdpi.com/2075-4701/10/8/1060
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