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Numerical simulation of temperature field and thermal stress field of work roll during hot strip rolling

机译:带钢热轧工作辊温度场和热应力场的数值模拟

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摘要

Based on the thermal conduction equations, the three-dimensional (3D) temperature field of a work roll was investigated using finite element method (FEM). The variations in the surface temperature of the work roll during hot strip rolling were described, and the thermal stress field of the work roll was also analyzed. The results showed that the highest roll surface temperature is 593 °C, and the difference between the minimum and maximum values of thermal stress of the work roll surface is 145. 7 MPa. Furthermore, the results of this analysis indicate that temperature and thermal stress are useful parameters for the investigation of roll thermal fatigue and also for improving the quality of strip during rolling. © 2007 Central Iron and Steel Research Institute.
机译:基于热传导方程,使用有限元方法(FEM)研究了工作辊的三维(3D)温度场。描述了热轧过程中工作辊表面温度的变化,并分析了工作辊的热应力场。结果表明,最高辊表面温度为593°C,工作辊表面热应力的最小值和最大值之差为145. 7 MPa。此外,该分析结果表明,温度和热应力是研究轧辊热疲劳以及改善轧制过程中带钢质量的有用参数。 ©2007中央钢铁研究所。

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