| 六辊轧机辊系弹性变形研究 |
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| 引用本文： | 江桂云,王勇勤,严兴春.六辊轧机辊系弹性变形研究[J].四川大学学报(工程科学版),2010,42(1):238-242. |
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| 作者姓名： | 江桂云 王勇勤 严兴春 |
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| 作者单位： | 重庆大学机械传动国家重点实验室,重庆,400044 |
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| 基金项目： | 国家“十一五”科技支撑计划重点资助项目(2007BAF02B09); 重庆市自然科学基金资助项目(2004BB8774;2006BB3173) |
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| 摘 要： | 在板带轧制中,轧机辊系弹性变形是影响板形质量的重要因素.以弹性基础梁理论为基础,将辊间接触及工作辊与轧件间的接触采用弹簧模拟其力学模型,从而获得六辊冷轧机辊系弹性变形的解析数学模型;提出了一种将轧件断面形状分布与轧制压力分布耦合的迭代计算轧机辊系弹性变形和轧件最终断面形状的方法,利用MSC. MENTAT/MARC软件建立了六辊轧机辊系弹性变形的非线性接触有限元模型.计算结果表明:采用解析法、有限元法计算出的轧件断面形状与现场实测出的轧件断面形状及板带凸度数值相近,这说明研究方法和模型的有效性.
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| 关 键 词： | 弹性基础梁 辊系 六辊轧机 非线性接触有限元 |
| 收稿时间： | 2009/2/17 0:00:00 |
| 修稿时间： | 2009/6/24 0:00:00 |
Research on the Elastic Deformation of Rollers in 6-H Mill |
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| Jiang Guiyun,Wang Yongqin and Yan Xingchun.Research on the Elastic Deformation of Rollers in 6-H Mill[J].Journal of Sichuan University (Engineering Science Edition),2010,42(1):238-242. |
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| Authors: | Jiang Guiyun Wang Yongqin and Yan Xingchun |
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| Affiliation: | JIANG Gui-yun,WANG Yong-qing,YAN Xin-chun(The State Key Lab.of Mechanical Transmission,Chongqing Univ.,Chongqing 400044,China) |
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| Abstract: | Elastic deformation of rollers in the process of sheets and strips rolling significantly the quality of profile shape.In order to study this elastic deformation,a mechanical model of contact among rollers and between work roll and rolled piece was constructed on the basis of elastic basis beam theory,and simulated by spring.An analytical mathematical model of the elastic deformation of rollers in 6-h mill was presented.A method which coupled the distribution of section shape of rolled piece and rolling pres... |
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| Keywords: | elastic basis beam rollers 6-h mill nonlinear contact finite element |
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