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Strip shape modeling and its setup strategy in hot strip mill process

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Abstract

Shape setup model (SSM) plays a critical role to achieve satisfactory precision of strip shape in hot strip mill process (HSMP). However, for the design of shape model, the lack of systematic shape theory restricts the high accuracy of strip shape. In this paper, the procedure of SSM will be generally introduced and practically demonstrated with a real HSMP producing system. The mechanism of shape modeling and design strategy of SSM is introduced. Special concentration is placed on modeling and calculating the thermal extension and wear of the roll, and mathematical model of roll gap profile is set up on this basis. Then the mechanism of strip profile and flatness is introduced by revealing the shape forming process. Furthermore, the setup strategy of SSM is proposed, whose target is to calculate reference values for shape control actuators. The other focus of this paper concerns on the applicable issue of SSM integrated with the presented design approach. An Ansteel 1,700-mm HSMP line will be employed for the experimental background.

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Authors and Affiliations

  1. Key Laboratory for Advanced Control of Iron and Steel Process, School of Automation and Electrical Engineering, University of Science and Technology Beijing, Beijing, 100083, People’s Republic of China

    Kaixiang Peng, Hao Zhong & Yidao Ji

  2. Ansteel Engineering Technology Corporation Limited, Liaoning, 114021, People’s Republic of China

    Liang Zhao

  3. North China Institute of Computing Technology, Beijing, 100083, People’s Republic of China

    Kai Xue

Authors
  1. Kaixiang Peng
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  2. Hao Zhong
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  3. Liang Zhao
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  4. Kai Xue
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  5. Yidao Ji
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Correspondence to Hao Zhong.

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Peng, K., Zhong, H., Zhao, L. et al. Strip shape modeling and its setup strategy in hot strip mill process. Int J Adv Manuf Technol 72, 589–605 (2014). https://doi.org/10.1007/s00170-014-5649-2

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  • DOI: https://doi.org/10.1007/s00170-014-5649-2

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