| 宁钢热轧带钢产品质量问题分析及改进 |
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| 引用本文： | 苗润涛,张保忠,吴伟娟,陈珂,胡岩,郭开.宁钢热轧带钢产品质量问题分析及改进[J].宝钢技术,2010(4):14-19. |
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| 作者姓名： | 苗润涛 张保忠 吴伟娟 陈珂 胡岩 郭开 |
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| 作者单位： | 宁波钢铁有限公司热轧厂,浙江,宁波,315807;宁波钢铁有限公司热轧厂,浙江,宁波,315807;宁波钢铁有限公司热轧厂,浙江,宁波,315807;宁波钢铁有限公司热轧厂,浙江,宁波,315807;宁波钢铁有限公司热轧厂,浙江,宁波,315807;宁波钢铁有限公司热轧厂,浙江,宁波,315807 |
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| 摘 要： | 通过定量统计分析影响热轧带钢产品质量各因素,针对宽度控制精度、卷形、卷取温度等存在的主要问题,通过工艺优化、完善一级和二级自动控制系统,宽度控制命中率由原来的97.79%提高到99.22%,卷形改判率由原来的0.31%降低到0.19%,卷取温度命中率由原来的95.22%提高到97.15%,使热轧产品的实物质量得到稳定和提高。
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| 关 键 词： | 宽度 卷型 卷取温度 命中率 |
Hot Strip Quality Analysis and Its Improvement in Ningbo Steel |
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| MIAO Runtao,ZHANG Baozhong,WU Weijuan,CHEN Ke,HU Yan,GUO Kai.Hot Strip Quality Analysis and Its Improvement in Ningbo Steel[J].Baosteel Technology,2010(4):14-19. |
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| Authors: | MIAO Runtao ZHANG Baozhong WU Weijuan CHEN Ke HU Yan GUO Kai |
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| Affiliation: | MIAO Runtao; ZHANG Baozhong; WU Weijuan; CHEN Ke; HU Yan and GUO Kai(Hot Strip Mill Plant; Ningbo Iron & Steel Co.; Ltd.; Ningbo 315807; Zhejiang; China); |
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| Abstract: | The quantitative analysis and statistics of the factors which affect hot strip quality were made in Ningbo Steel Hot Mill Plant.Some problems concerning width control accuracy,coil shape,coiling temperature,etc.were revealed.Through the process optimization and the improvement of the basic automation and process automation programs,the width control target percentage was increased from 97.79% to 99.22%,the unqualified coil shape percentage dropped to 0.19% from 0.31%,and the coiling temperature target perce... |
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| Keywords: | width coil shape coiling temperature target percentage |
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