Numerical simulation and model of control-efficiency of thermal crown of work rolls in cold rolling
Aiming at accuracy control of the thermal crown of work rolls in cold rolling, new parameters such as regulation domain and control-efficiency factors were proposed and a numerical analysis model of the thermal crown of work rolls was established using finite difference method to study roll＇s therma...
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| Veröffentlicht in: | Journal of Central South University 2014-06, Vol.21 (6), p.2160-2167 |
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| container_title | Journal of Central South University |
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| creator | 李学通 王敏婷 杜凤山 张国良 |
| description | Aiming at accuracy control of the thermal crown of work rolls in cold rolling, new parameters such as regulation domain and control-efficiency factors were proposed and a numerical analysis model of the thermal crown of work rolls was established using finite difference method to study roll＇s thermal deformation. Based on simulation results, the influences of control-efficiency factors on thermal crown are presented and the thermal crown of work rolls is analyzed after taking sub-cooling of sprinkling beam into consideration. It has been found that the control-efficiency factor of any position on the roll＇s surface is linear function of the temperature and the control ability of water temperature is stronger than other control parameters. In addition, the verification of the model has been carried out based on the producing technology data in some factories and the numerical simulation results coincide well with the experimental data. Therefore, this work has important value for on-line control of roll＇s crown in cold rolling. |
| doi_str_mv | 10.1007/s11771-014-2166-2 |
| format | Article |
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Based on simulation results, the influences of control-efficiency factors on thermal crown are presented and the thermal crown of work rolls is analyzed after taking sub-cooling of sprinkling beam into consideration. It has been found that the control-efficiency factor of any position on the roll＇s surface is linear function of the temperature and the control ability of water temperature is stronger than other control parameters. In addition, the verification of the model has been carried out based on the producing technology data in some factories and the numerical simulation results coincide well with the experimental data. Therefore, this work has important value for on-line control of roll＇s crown in cold rolling.</description><identifier>ISSN: 2095-2899</identifier><identifier>EISSN: 2227-5223</identifier><identifier>DOI: 10.1007/s11771-014-2166-2</identifier><language>eng</language><publisher>Heidelberg: Central South University</publisher><subject>Engineering ; Metallic Materials ; 冷轧工作辊 ; 控制效率 ; 效率因子 ; 数值分析模型 ; 数值模拟 ; 有限差分法 ; 热凸度 ; 精度控制</subject><ispartof>Journal of Central South University, 2014-06, Vol.21 (6), p.2160-2167</ispartof><rights>Central South University Press and Springer-Verlag Berlin Heidelberg 2014</rights><rights>Copyright © Wanfang Data Co. Ltd. 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Cent. South Univ</addtitle><addtitle>Journal of Central South University of Technology</addtitle><description>Aiming at accuracy control of the thermal crown of work rolls in cold rolling, new parameters such as regulation domain and control-efficiency factors were proposed and a numerical analysis model of the thermal crown of work rolls was established using finite difference method to study roll＇s thermal deformation. Based on simulation results, the influences of control-efficiency factors on thermal crown are presented and the thermal crown of work rolls is analyzed after taking sub-cooling of sprinkling beam into consideration. It has been found that the control-efficiency factor of any position on the roll＇s surface is linear function of the temperature and the control ability of water temperature is stronger than other control parameters. In addition, the verification of the model has been carried out based on the producing technology data in some factories and the numerical simulation results coincide well with the experimental data. Therefore, this work has important value for on-line control of roll＇s crown in cold rolling.</description><subject>Engineering</subject><subject>Metallic Materials</subject><subject>冷轧工作辊</subject><subject>控制效率</subject><subject>效率因子</subject><subject>数值分析模型</subject><subject>数值模拟</subject><subject>有限差分法</subject><subject>热凸度</subject><subject>精度控制</subject><issn>2095-2899</issn><issn>2227-5223</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kEtPAyEUhSdGExv1B7gb1waFS-dOWRrjK2l0o2vC8BjRGVBoU-uvl1qjOzeXy8n5OOFU1TGjZ4zS9jwz1raMUDYlwBAJ7FQTAGhJA8B3y05FQ2AmxH51lLPvKGeAHAVOKn2_HG3yWg119uNyUAsfQ62Cqcdo7FBHV-sYFikOxDrntbdBrzfq4tmmsVA6xVXYCKuYXuviG3LtQ4EG833zoT-s9pwasj36OQ-qp-urx8tbMn-4ubu8mBPNG7ognUCKMFO8s8pqw8x0JowyjS6zxUbhFLHjaJzjIARzXDUCpgK4QWcaY_hBdbp9d6WCU6GXL3GZQkmUn6Ffm4-PTlooJVGkFIubbd3lBzkn6-Rb8qNKa8mo3NQqt7XKQshNrRIKA1smF2_obfqL-A86-Ql6jqF_L9xvUkMBqWiRfwGtjYd0</recordid><startdate>20140601</startdate><enddate>20140601</enddate><creator>李学通 王敏婷 杜凤山 张国良</creator><general>Central South University</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20140601</creationdate><title>Numerical simulation and model of control-efficiency of thermal crown of work rolls in cold rolling</title><author>李学通 王敏婷 杜凤山 张国良</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-b960628a3beaecd1d489dad5c9da765a6466b36dff32991f3a5924923d6fd5dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Engineering</topic><topic>Metallic Materials</topic><topic>冷轧工作辊</topic><topic>控制效率</topic><topic>效率因子</topic><topic>数值分析模型</topic><topic>数值模拟</topic><topic>有限差分法</topic><topic>热凸度</topic><topic>精度控制</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>李学通 王敏婷 杜凤山 张国良</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Journal of Central South University</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>李学通 王敏婷 杜凤山 张国良</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Numerical simulation and model of control-efficiency of thermal crown of work rolls in cold rolling</atitle><jtitle>Journal of Central South University</jtitle><stitle>J. Cent. South Univ</stitle><addtitle>Journal of Central South University of Technology</addtitle><date>2014-06-01</date><risdate>2014</risdate><volume>21</volume><issue>6</issue><spage>2160</spage><epage>2167</epage><pages>2160-2167</pages><issn>2095-2899</issn><eissn>2227-5223</eissn><abstract>Aiming at accuracy control of the thermal crown of work rolls in cold rolling, new parameters such as regulation domain and control-efficiency factors were proposed and a numerical analysis model of the thermal crown of work rolls was established using finite difference method to study roll＇s thermal deformation. Based on simulation results, the influences of control-efficiency factors on thermal crown are presented and the thermal crown of work rolls is analyzed after taking sub-cooling of sprinkling beam into consideration. It has been found that the control-efficiency factor of any position on the roll＇s surface is linear function of the temperature and the control ability of water temperature is stronger than other control parameters. In addition, the verification of the model has been carried out based on the producing technology data in some factories and the numerical simulation results coincide well with the experimental data. Therefore, this work has important value for on-line control of roll＇s crown in cold rolling.</abstract><cop>Heidelberg</cop><pub>Central South University</pub><doi>10.1007/s11771-014-2166-2</doi><tpages>8</tpages></addata></record> |
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| ispartof | Journal of Central South University, 2014-06, Vol.21 (6), p.2160-2167 |
| issn | 2095-2899 2227-5223 |
| language | eng |
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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection |
| subjects | Engineering Metallic Materials 冷轧工作辊 控制效率 效率因子 数值分析模型 数值模拟 有限差分法 热凸度 精度控制 |
| title | Numerical simulation and model of control-efficiency of thermal crown of work rolls in cold rolling |
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