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首页> 外文会议>The 2001 North American Manufacturing Research Conference (NAMRC), May 22-25, 2001, Gainesville, Florida >SIMPLIFIED THREE-DIMENSIONAL SIMULATION OF RING ROLLING WITH GROOVED ROLLS BY RIGID-PLASTIC FINITE ELEMENT METHOD USING GENERALIZED PLANE-STRAIN MODELING
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SIMPLIFIED THREE-DIMENSIONAL SIMULATION OF RING ROLLING WITH GROOVED ROLLS BY RIGID-PLASTIC FINITE ELEMENT METHOD USING GENERALIZED PLANE-STRAIN MODELING

机译：广义平面应变建模的刚塑性有限元方法简化了带槽轧制环的三维模拟

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摘要

A simplified three-dimensional method for simulating plastic deformation in ring rolling with grooved rolls is proposed on the basis of the rigid-plastic finite element method using generalized plane-strain modeling. In this method, the ring rolling process is approximated as a forging process with dies having the same cross-sectional shapes as the grooved rolls, and the elongation in the rolling direction is kept uniform in the cross-section. The effect of the shear deformation in the rolling direction during the rolling is included in the generalized plane-strain modeling to improve the accuracy of the calculated results. The constrain of the elongation in the hoop direction due to the material outside the roll gap is taken into consideration by acting the compressive force in the hoop direction at the roll entry and exit interfaces.
机译：在采用广义平面应变模型的刚塑性有限元方法的基础上，提出了一种简化的三维方法，用于模拟开槽辊环轧制过程中的塑性变形。在该方法中，环形轧制过程近似于具有与带槽辊的横截面形状相同的模具的锻造过程，并且在横截面上保持轧制方向上的伸长率均匀。轧制过程中轧制方向上剪切变形的影响包括在广义平面应变建模中，以提高计算结果的准确性。通过在辊子的入口和出口界面处沿环向作用压缩力，可以考虑由于辊隙外部的材料而引起的沿环向伸长的限制。

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