| 1780mm热连轧机带钢精轧宽度头部拉窄问题及改进 |
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| 引用本文： | 刘杜,胡岩,张保忠,陈珂,吴伟娟. 1780mm热连轧机带钢精轧宽度头部拉窄问题及改进[J]. 冶金自动化, 2012, 36(1): 62-66 |
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| 作者姓名： | 刘杜 胡岩 张保忠 陈珂 吴伟娟 |
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| 作者单位： | 宝钢集团宁波钢铁有限公司热轧厂,浙江宁波,315800 |
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| 摘 要： | 分析了宝钢集团宁波钢铁有限公司1780inIn热连轧机带钢生产中出现的带钢头部拉窄的现象及原因，针对机架问秒流量存在误差和活套控制不稳定的问题，优化了L2模型参数和活套控制系统，并对工艺及操作进行了优化，有效减少了宽度头部拉窄现象，精轧头部拉窄较改进前减少了50％，从而提高了带钢头部宽度精度。
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| 关 键 词： | 热轧带钢 头部拉窄 辊缝设定 活套控制 |
Cause analysis of head width changing to narrow of strip during rolling on 1 780 mm hot strip finishing mill and its improvement |
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| LIU Du,HU Yan,ZHANG Bao-zhong,CHEN Ke,WU Wei-juan. Cause analysis of head width changing to narrow of strip during rolling on 1 780 mm hot strip finishing mill and its improvement[J]. Metallurgical Industry Automation, 2012, 36(1): 62-66 |
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| Authors: | LIU Du HU Yan ZHANG Bao-zhong CHEN Ke WU Wei-juan |
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| Affiliation: | (Hot Rolling Plant,Ningbo Iron & Steel Co.,Ltd.,Baosteel Group,Ningbo 315800,China) |
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| Abstract: | The causes of head width changing to narrow of strip during rolling on 1 780 mm hot strip finishing mill are analyzed.The problem of strip head width narrowing is solved effectively through optimizing adjustment of Level-2 model parameters and Level-1 control parameters.The head width of strip accuracy is improved. |
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| Keywords: | hot strip narrowing of head size roll gap calculation looper control |
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