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Multi-objective optimization of rolling schedule based on cost function for tandem cold millCHEN Shu-zong(陈树宗)1, ZHANG Xin(张欣)1, PENG Liang-gui(彭良贵)1, ZHANG Dian-hua(张殿华)1, SUN Jie(孙杰)1, LIU Yin..., Tangshan 063020, China)Abstract:In terms of tandem cold mill productivity and product quality, a multi-objective optimization model of rolling schedule based on cost function was proposed to determine......
Backup roll contour of a SmartCrown tandem cold rolling millGuanghui Yang~(1)) Jianguo Cao~(1)) Jie Zhang~(1)) Shenghui Jia~(2)) Renwei Tan~(2)) 1)School of Mechanical Engineering,University... developed by VAI for improving the strip profile and flatness control first applied in 1700 mm tandem cold rolling mills at Wuhan Iron & Steel(Group)Corporation(WISCO).After tracing and testing......
; 文献标识码:A Pass parameter optimization and numerical simulation for tandem rolling process of aluminum tube YU Hui, DU Feng-shan, XU Zhi-qiang, XU Hai-liang (College of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China) Abstract: In order to investigate the influence of the pass parameters on the tandem rolling process of aluminum tube, a numerical......
Optimal Control of a Tandem Cold Rolling System for Tracking Problem吴国发,徐哲,卓兵摘 要:<正> The optimal control principle and procedureof a tandem cold rolling system for trackingproblem have been proposed in this paper forthe first time.The state-space description of the tandemcold rolling system for the cold-strip millof Wuhan Iron and Steel Company......
响通过传递矩阵传递给. 图6 连轧机单机架轧机间耦合振动模型[16-17] Fig. 6 Coupling vibration model between single stand rolling mills of tandem rolling mill[16-17] 带材在上游机架出口的速度和在下游机架入口的速度变化影响了当前机架进出口应力的变化.另外,上游机架的带材出口厚度将经过一段时间的延... rolling mills based on wave propagation theory[J]. ISIJ International, 2015, 55(3): 637-646. [3] ZHAO Huyue, EHMANN K F. Stability analysis of chatter in tandem rolling mills, part 1: single......
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be greatly improved by tandem cold rolling. And no sudden reduction of overall stress level appears in the stress-strain curves for tandem rolled ADSC alloys. The differences of their microstructures... alloys were also introduced. Key words: dispersion strengthened copper alloy; unidirectional rolling; tandem rolling; annealing; fracture behavior ......
连轧机轧制工艺条件 Table 1 Conditions of the rolling process in a tandem mill 图8所示为五自由度结构模型在轧制速度vr=18 m/s时各机架的时域响应图. 从图8可知:各机架辊缝变化量较小,且机架3,机架4,机架5的振动持续时间较长,这表明五自由度系统需要较长的时间来减弱振动,轧件振动从机架1到机架5的传递时间约为4.2 s,机架5在此...导. 参考文献: [1] NIROOMAND M R, FOROUZAN M R, SALIMI M. Theoretical and experimental analysis of chatter in tandem cold rolling Mills based on wave propagation theory[J]. ISIJ International, 2015, 55(3......
Dian-hua, CAO Jian-zhao, LIU Zi-ying. Optimization algorithm of spring equation in tandem hot rolling based on static errors [J]. Journal of Northeastern University (Natural Science).2013, 34(4..., CHEN Shu-zong, ZHANG Dian-hua, PENG Liang-gui, ZHANG Xin, SUN Jie, LIU Yin-zhong. Multi-objective optimization of rolling schedule based on cost function for tandem cold mill
)12-3239-09 Horizontal vibration in hot tandem rolling mill considering asymmetric movement of upper and lower work rolls ZHANG Ming, PENG Yan, SUN Jianliang, ZHANG Yang (National Engineering Research Center for Equipment and Technology of Cold Strip Rolling,Yanshan University, Qinhuangdao 066004, China) Abstract: The horizontal vibration mechanism of the upper and lower work rolls in hot tandem......
