Backup roll contour in finishing trains of hot rolling based on hybrid genetic algorithm |
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Institution: | 1. National Engineering Research Center for Advanced Rolling Technology, University of Science and Technology Beijing, Beijing 100083, China;2. Wuhan Iron and Steel Group Corporation, Wuhan 430083, China |
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Abstract: | On the basis of integrating two-dimensional varying thickness finite element method with hybrid genetic algorithm, a precise modelwas developed to design ideal backup roll contour ( Varying Contact Backup Roll, in short VCR) in finishing trains of hot rolling rapidly and efficaciously. Additionally, a lot of good actual effects of VCR, such as evident improvement of profile and flatness of strip, remarkable decrease of roll consume, excellent maneuverability and maintenance,and so on, were validated by long-term industrial tests in hot rolling strip plant of Wuhan Iron and Steel Group Corporation (WISCO). |
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Keywords: | hot rolling backup roll contour profile and flatness control genetic algorithm |
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