| Unsteady lubrication modeling of inlet zone in metal rolling processes |
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| 引用本文： | 毛明智,谭建平. Unsteady lubrication modeling of inlet zone in metal rolling processes[J]. 中国有色金属学会会刊, 2002, 12(1): 57-61 |
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| 作者姓名： | 毛明智 谭建平 |
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| 作者单位： | CollegeofMechanical＆ElectricalEngineering,CentralSouthUniversity,Changsha410083,China |
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| 基金项目： | Project ( 5 9775 0 41)supportedbytheNationalNaturalScienceFoundationofChina |
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| 摘 要： | 1 ＩＮＴＲＯＤＵＣＴＩＯＮＭｅｔａｌｒｏｌｌｉｎｇｐｒｏｃｅｓｓｕｓｕａｌｌｙｒｕｎｓｉｎｔｈｅｓｔｅａｄｙｓｔａｔｅ.Ｗｈｅｎｔｈｅｍｉｌｌｓｔｒｕｃｔｕｒｅｉｓｕｎｄｅｒｇｏｉｎｇａｓｅｌｆ ｅｘｃｉｔｅｄｖｉｂｒａｔｉｏｎｋｎｏｗｎａｓｃｈａｔｔｅｒ
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| 关 键 词： | 轧制 不稳定润滑模型 入口区域 薄板厚度 |
Unsteady lubrication modeling of inlet zone in metal rolling processes |
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| MAO Ming zhi,TAN Jian ping. Unsteady lubrication modeling of inlet zone in metal rolling processes[J]. Transactions of Nonferrous Metals Society of China, 2002, 12(1): 57-61 |
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| Authors: | MAO Ming zhi TAN Jian ping |
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| Abstract: | An unsteady lubrication model of inlet zone in metal rolling was established. The simulation computations show that for the variation amplitude of the inlet film thickness, the variation of the inlet angle contributes the largest, the surface mean speed contributes the second and the back tension stress the least. The higher the input frequency is, the smaller the amplitude output of the inlet film thickness will be. For a sinusoidal input, the inlet film thickness varies periodically but is not a sine wave because the system is not linear. |
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| Keywords: | metal rolling unsteady state lubrication inlet film thickness |
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