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Calculation of Taper Rolling Time in plan view pattern control Process

Journal of Iron and Steel Research International 2006年第5期13卷 1-3页

作者： JIAO Zhi-jie HU Xian-lei ZHAO Zhong LIU Xiang-hua WANG Guo-dong State Key Laboratory of Rolling and Automation Northeastern University Shenyang 110004 Liaoning China

The forward slip model with adhesion was used to derive the formula of calculating taper rolling time. The relation between the rolling time and the taper length and the relation between the rolling time and the taper thickness can be obtained. The numerical solution for this formula was used on site. According to the simulation result, the roll gap value should be changed linearly with rolling time.

关键词： plan view pattern control forward slip model taper time calculation

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维普期刊数据库

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Derivation of Simplified Models of plan view pattern control Function for Plate Mill

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Journal of Iron and Steel Research International 2007年第4期14卷 20-23页

作者： JIAO Zhi-jie HU Xian-lei ZHAO Zhong LIU Xiang-hua WANG Guo-dong State Key Laboratory of Rolling and Automation Northeastern University Shenyang 110004 Liaoning China

The plan view pattern control theoretical models were simplified. Under the condition of constant volume for the plan view pattern compensation, the relation between the thickness and the length can be simplified to the linearity in the segment for the plan view pattern control function. The compensation volume can be dispersed for easy calculation. By comparing the model calculation result with the actual result, it was concluded that the simplified model can be used for the online control process.

关键词： plan view pattern control theoretical model simplified model

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维普期刊数据库

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Width Compensation and Correction for the plan view pattern control Function on Plate Mill

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Journal of Harbin Institute of Technology(New Series) 2013年第5期20卷 31-35页

作者： Zhi-Jie Jiao Chun-Yu He Zhong Zhao Jing-Guo Ding State Key Laboratory of Rolling and Automation Northeastern University

Research works on width compensation and correction were carried out in order to eliminate the effects of the PVPC （ plan view pattern control） on width accuracy of plate mill. The thickness correction calculation formula was derived for compensation the width deviation caused by PVPC function, and the formula is unified under the thinning and thickening conditions. In order to improve the width calculation accuracy, width spread calculation process was modified with dividing one large reduction pass to several small reduction calculation steps. The thickness wedge was simplified to rectangle based on the volume constant principle, and the width spread model for PVPC was constructed. The width compensation and correction for the PVPC functions are used for the online control process, and the Product dimension accuracy is improved. With the decrease of Crop losses, the Droduct yield was increased with 0. 2%.

关键词： Lplate mill plan view pattern control width correction and compensation width spread model

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维普期刊数据库

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