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Application of parabolic velocity field for the deformation analysis in hot tandem rolling

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Abstract

A parabolic velocity field is proposed to get the minimum required rolling force in hot rolling process, the equal area yield criterion is used to calculate the plastic deformation power, the collinear vector inner product method is used to get friction power, the analytical equation of strip rolling power functional is obtained, and the required rolling force was calculated by minimizing the power functional. Meanwhile, the location of neutral point, shape factor, and stress state coefficient are discussed. The accuracy of the proposed theoretical model is examined through comparing with the experimental measured ones and online measured ones, it shows good agreement, the relative error of rolling force is less than 9.1%, and the proposed model is considered to be effective in hot tandem rolling process.

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Authors and Affiliations

  1. State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, 110819, Liaoning, People’s Republic of China

    Wen Peng, Dianhua Zhang & Dewen Zhao

Authors
  1. Wen Peng
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  2. Dianhua Zhang
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  3. Dewen Zhao
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Correspondence to Wen Peng.

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Peng, W., Zhang, D. & Zhao, D. Application of parabolic velocity field for the deformation analysis in hot tandem rolling. Int J Adv Manuf Technol 91, 2233–2243 (2017). https://doi.org/10.1007/s00170-016-9936-y

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  • DOI: https://doi.org/10.1007/s00170-016-9936-y

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