。136 北京科技大学学报 2007年增刊2 Development of edge drop control technology for 1420 tandem cold mill QUE Yuehai.ZHANG Qingdong,BAIJian,XU Jianyong,LI Shanqing 1)School of Mechanical Engineering.Shanghai Jiao Tong Uriversity.Shanghai 200030 China 2)Science and Technology Development Dept.Baoshan Iron Steel Co..Ltd,Shanghai 201900,China 3)Mechanical Engineering School,University of Science and Technology Beijing.Beijing 100083.China 4)Cold Rolling Dept.,Baoshan Imn Sted Co.,Ltd.,Shanghai 200941.China 5)BaoSteel Technology Center,Shanghai 201900.China ABSTRACT In order to improve the capability of strip edge drop cont rol in 1420TCM and develop strip pro- ductions such as DI tinplate which demands high quality of edge drop,the special work roll profile and design method were developed,and the parameters of target curve for automatic flatness control in stand I were also ad- justed.The experimental results show that the capability of edge drop control is improved in 1420TCM. KEY WORDS DI tinplate;flatness control;edge drop;target curveDevelopment of edge drop control technology for 1420 tandem cold mill QUE Y uehai 1, 2) , ZHANG Qingdong 3) , B AI Jian 3) , XU Jianyong 4) , LI Shanqing 5) 1) School of Mechanical Engineering, S hanghai Jiao T ong Uni versit y, S hanghai 200030, China 2) Science and Technology Development Dept., Baoshan Iron &S teel Co ., Ltd., S hanghai 201900, China 3) Mechanical Engineering S chool, University of Sci ence and Technology Beijing, Beijing 100083, China 4) Cold Rolling Dept., Baoshan I ron &S teel Co ., Ltd., S hanghai 200941, China 5) BaoS teel Technology Cent er, S hanghai 201900, China ABSTRACT In order to improve the capability of strip edge drop control in 1420TCM and develop strip pro￾ductions such as DI tinplate which demands high quality of edge drop, the special wo rk roll profile and design method w ere developed, and the parameters of target curve fo r automatic flatness control in stand 1 were also ad￾justed .The experimental results show that the capability of edge drop control is improved in 1420TCM . KEY WORDS DI tinplate ;flatness control;edge drop ;target curve · 136 · 北 京 科 技 大 学 学 报 2007 年 增刊 2