Abstract
For high precision profile and flatness control ability of electrical steel strip with different width during schedule-free rolling (SFR) campaign, the asymmetry self-compensating work roll contour, which is suitable for all strip widths (ASR-C) is developed. The effect of strip width on work roll wear is analyzed through experimental data. By combining shifting strategy and initial shifting position, the new asymmetry self-compensating work roll (ASR) contour is designed. Compared with the ASR work roll for narrow strip (ASR-Y), ASR work roll for wide strip (ASR-N), and conventional work roll, ASR-C presents well profile and flatness control ability for all strip widths during entire rolling campaign. The characteristics of ASR work roll can be fully reflected when ASR-C and its shifting strategy are used. Experimental results show that the ratio of strip crown (C40) less than 45 μm is increased from 41.8 to 98.2% by using the ASR-C work roll of the ASR mill type, compared with conventional work roll of the K-WRS (Kawasaki-Work Roll Shifting) mill type.
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Funding
This study is provide with financial support by the Innovation Method Fund of China (2016IM010300), the Fundamental Research Funds for the Central Universities (FRF-TP-17-054A1), and Lv yang Jin feng Programme for the Innovation Leading Talents (yzlyjfjh2015CX055).
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Li, Y., Cao, J., Qiu, L. et al. Research on ASR work roll contour suitable for all width electrical steel strip during hot rolling process. Int J Adv Manuf Technol 97, 3453–3458 (2018). https://doi.org/10.1007/s00170-018-2198-0
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DOI: https://doi.org/10.1007/s00170-018-2198-0