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Open AccessArticle

Silicon Steel Strip Profile Control Technology for Six-High Cold Rolling Mill with Small Work Roll Radius

National Engineering Research Center for Advanced Rolling Technology, University of Science and Technology Beijing, Beijing100083, China
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Metals 2020, 10(3), 401; https://doi.org/10.3390/met10030401
Received: 29 February 2020 / Revised: 18 March 2020 / Accepted: 18 March 2020 / Published: 21 March 2020
(This article belongs to the Special Issue Advanced Magnetic Materials)
Due to the requirement of magnetic properties of silicon steel sheets, producing high-precision size strips is the main aim of the cold rolling industry. The tapered work roll shifting technique of the six-high cold rolling mill is effective in reducing the difference in transverse thickness of the strip edge, but the effective area is limited, especially for a high crown strip after the hot rolling process. The six-high mill with a small work roll size can produce a strip with higher strength and lower thickness under a smaller rolling load. At the same time, the profile of the strip can be substantially improved. By advancing a well-established analytical method, a series of simulation analyses are conducted to reveal the effectiveness of a small work roll radius for the strip profile in the six-high cold rolling process. Through the analysis of flattening deformation and deflection deformation on the load, the change rule of the strip profile produced by the work roll with a small roll diameter can be obtained. Combined with theoretical analysis and industrial experiments, it can be found that the improvement effect of the small work roll radius on the profile of the silicon strip is as significant. View Full-Text
Keywords: small work roll radius; cold rolling; silicon steel strip profile; roll deformation model small work roll radius; cold rolling; silicon steel strip profile; roll deformation model
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He, H.; Shao, J.; Wang, X.; Yang, Q.; Feng, X. Silicon Steel Strip Profile Control Technology for Six-High Cold Rolling Mill with Small Work Roll Radius. Metals 2020, 10, 401.

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