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Volume 14 Issue 4
Aug.  2007
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Xianlei Hu, Zhaodong Wang, Zhong Zhao, Xianghua Liu,  and Guodong Wang, Gauge-meter model building based on the effect of elastic deformation of rolls in a plate mill, J. Univ. Sci. Technol. Beijing, 14(2007), No. 4, pp. 381-386. https://doi.org/10.1016/S1005-8850(07)60076-0
Cite this article as:
Xianlei Hu, Zhaodong Wang, Zhong Zhao, Xianghua Liu,  and Guodong Wang, Gauge-meter model building based on the effect of elastic deformation of rolls in a plate mill, J. Univ. Sci. Technol. Beijing, 14(2007), No. 4, pp. 381-386. https://doi.org/10.1016/S1005-8850(07)60076-0
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Materials

Gauge-meter model building based on the effect of elastic deformation of rolls in a plate mill

  • 通讯作者:

    Xianlei Hu    E-mail: hu_xianlei@263.net

  • The calculation error of the gauge-meter model will affect the gap setting precision and the self-learn precision of rolling force. The precision of the gauge-meter model is strongly influenced by plate width, working roll radius, backup roll radius, working roll crown, backup roll crown, and rolling force. The influence rules are hard to get by measuring. Taking a conventional 4-h plate mill as the research subject, these influences were transferred into the calculation of roll deflection and flattening deformation. To calculate these deformations, the theory of the influence function method was adopted. By modifying the traditional gauge-meter model, a novel model of the effect of roll elastic deformation on the gap setting was built by data fitting. By this model, it was convenient to analyze the variation caused by the rolling condition. Combining the elastic deformation model of rolls with the kiss-rolls method, a gauge-meter model was put forward for plate thickness prediction. The prediction precision of thickness was greatly improved by the new gauge- meter model.
  • Materials

    Gauge-meter model building based on the effect of elastic deformation of rolls in a plate mill

    + Author Affiliations
    • The calculation error of the gauge-meter model will affect the gap setting precision and the self-learn precision of rolling force. The precision of the gauge-meter model is strongly influenced by plate width, working roll radius, backup roll radius, working roll crown, backup roll crown, and rolling force. The influence rules are hard to get by measuring. Taking a conventional 4-h plate mill as the research subject, these influences were transferred into the calculation of roll deflection and flattening deformation. To calculate these deformations, the theory of the influence function method was adopted. By modifying the traditional gauge-meter model, a novel model of the effect of roll elastic deformation on the gap setting was built by data fitting. By this model, it was convenient to analyze the variation caused by the rolling condition. Combining the elastic deformation model of rolls with the kiss-rolls method, a gauge-meter model was put forward for plate thickness prediction. The prediction precision of thickness was greatly improved by the new gauge- meter model.
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