420 北京科技大学学报 第29卷 (4)各影响因素对边部特征量的影响程度都大 pered-crown work roll shifting mill and work roll crossing mill in 于对中心板凸度的影响:说明边部对轧制因素的变 cold strip rolling.J STP.1999(7):653 [2]Hartung H.Hollmann F.EDC-a new system for reduction of 化更敏感,它的可塑性更强,这与带钢边部的三维塑 edge drop in cold rolling.Metall Plant Technol Int.1998.22 性变形有关, (1):80 4 结论 [3]李丹,李林.硅钢轧制中的边缘降控制技术.轧钢,2001,18 (4):18 (1)本文同时考虑辊系的弹性变形和轧件的塑 [4]池文茂,高巍,吴滨,等.冷轧带钢轧制中的新技术一边降控 性变形,建立了辊系轧件一体化仿真模型,并设计仿 制.矿冶,2003,12(2):91 [5]邵建生,2800四辊中板精轧机板形控制模型研究[学位论 真工况,对UCMW轧机的边缘降控制性能进行分 文].北京:北京科技大学,2001:18 析,各控制手段对边缘降的控制特性和控制能力进 [6]朱简如,林秀真,吴平,等.宽带UCMW冷连轧机辊系与轧件 行量化,对实际生产中的边缘降控制应用提供了理 一体化仿真模型的开发.冶金设备,2005,152(4):7 论依据. [7]何安瑞,张清东,许健勇,等.1800mm虚拟轧机板形控制性 (2)利用一体化仿真模型对UCMW轧机的边 能.北京科技大学学报.2004,26(1):91 [8]刘立文,韩静涛,梅富强,等.冷轧板带变形的三维分析·轧 缘降影响因素进行对比分析,分析结果对边缘降控 钢,1999(6):24 制的轧制计划编排和轧机的负荷分配等可起到借鉴 [9]时旭,李山青,刘相华.薄带钢冷轧过程带钢变形的有限元分 作用, 析.钢铁,2004,39(11):45 [10]Aizawa A.Edge-drop reduction effect of intermediate roll shift 参考文献 JJSTP,1998(3):37 [1]Tateno J.Kenmochi K.Yarita I.Controlling edge drop by ta- Edge drop control performance and influence factor analysis of a UCMW cold mill ZHOU Xiaomin,ZHA NG Qingdong,WANG Changsong.WU Ping2) 1)Mechanical Engineering School.University of Science and Technology Beijing.Beijing 100083.China 2)Cold Rolling Plant.Baoshan Iron&.Steel Ltd.Co..Shanghai 200940.China ABSTRACI A special integral simulation model for a UCMW cold rolling mill was introduced based on the e- lastic deformation of rolls and the three-dimensional plastic deformation of strips.The strip center crown and edge drop control performance of work roll bending,intermediate roll bending,work roll shifting and intermedi- ate roll shifting were compared and analyzed through the simulation model.The influences of strip thickness, forward and backward tension,reduction ratio and resistance to deformation on the edge drop were investigated in detail.The results indicate that the strip center crown control ability of work roll bending and the edge drop control ability of work roll shifting are the strongest.The effects of all the factors on the edge drop are more than those on the center crown.It is shown that the edge of a strip is more sensitive to rolling conditions. KEY WORDS UCMW cold mill;flatness:edge drop;control performance(4) 各影响因素对边部特征量的影响程度都大 于对中心板凸度的影响;说明边部对轧制因素的变 化更敏感它的可塑性更强这与带钢边部的三维塑 性变形有关. 4 结论 (1) 本文同时考虑辊系的弹性变形和轧件的塑 性变形建立了辊系轧件一体化仿真模型并设计仿 真工况对 UCMW 轧机的边缘降控制性能进行分 析各控制手段对边缘降的控制特性和控制能力进 行量化对实际生产中的边缘降控制应用提供了理 论依据. (2) 利用一体化仿真模型对 UCMW 轧机的边 缘降影响因素进行对比分析分析结果对边缘降控 制的轧制计划编排和轧机的负荷分配等可起到借鉴 作用. 参 考 文 献 [1] Tateno JKenmochi KYarita I.Controlling edge drop by tapered-crown work roll shifting mill and work roll crossing mill in cold strip rolling.J JSTP1999(7):653 [2] Hartung HHollmann F.EDC—a new system for reduction of edge drop in cold rolling.Metall Plant Technol Int199822 (1):80 [3] 李丹李林.硅钢轧制中的边缘降控制技术.轧钢200118 (4):18 [4] 池文茂高巍吴滨等.冷轧带钢轧制中的新技术———边降控 制.矿冶200312(2):91 [5] 邵建生.2800四辊中板精轧机板形控制模型研究 [学位论 文].北京:北京科技大学2001:18 [6] 朱简如林秀真吴平等.宽带 UCMW 冷连轧机辊系与轧件 一体化仿真模型的开发.冶金设备2005152(4):7 [7] 何安瑞张清东许健勇等.1800mm 虚拟轧机板形控制性 能.北京科技大学学报200426(1):91 [8] 刘立文韩静涛梅富强等.冷轧板带变形的三维分析.轧 钢1999(6):24 [9] 时旭李山青刘相华.薄带钢冷轧过程带钢变形的有限元分 析.钢铁200439(11):45 [10] Aizawa A.Edge-drop reduction effect of intermediate roll shift. J JSTP1998(3):37 Edge drop control performance and influence factor analysis of a UCMW cold mill ZHOU Xiaomin 1)ZHA NG Qingdong 1)WA NG Changsong 1)W U Ping 2) 1) Mechanical Engineering SchoolUniversity of Science and Technology BeijingBeijing100083China 2) Cold Rolling PlantBaoshan Iron & Steel Ltd.Co.Shanghai200940China ABSTRACT A special integral simulation model for a UCMW cold rolling mill was introduced based on the elastic deformation of rolls and the three-dimensional plastic deformation of strips.The strip center crown and edge drop control performance of work roll bendingintermediate roll bendingwork roll shifting and intermediate roll shifting were compared and analyzed through the simulation model.The influences of strip thickness forward and backward tensionreduction ratio and resistance to deformation on the edge drop were investigated in detail.The results indicate that the strip center crown control ability of work roll bending and the edge drop control ability of work roll shifting are the strongest.The effects of all the factors on the edge drop are more than those on the center crown.It is shown that the edge of a strip is more sensitive to rolling conditions. KEY WORDS UCMW cold mill;flatness;edge drop;control performance ·420· 北 京 科 技 大 学 学 报 第29卷