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利用ANSYS/LS-DYNA建立了板带轧制过程的三维热力耦合有限元模型,通过有限元模型探讨了轧件入口厚度、轧件温度、工作辊直径、压下率和化学成分中的铌含量对变形区应变分布的影响。模拟结果表明,这些因素都不同程度地影响轧件厚度方向的应变分布,对于试算的CSP流程,适量增加铸坯厚度,并在较靠前的机架分配较大的压下量有利于提高轧制过程的应变均匀性。
The three-dimensional thermo-mechanical coupled finite element model of strip rolling process was established by ANSYS / LS-DYNA. The thickness of the rolling element, the temperature of the rolling element, the diameter of the work roll, the reduction ratio and the niobium content in the chemical composition were discussed by the finite element model Effect on strain distribution in deformation zone. The simulation results show that these factors all affect the strain distribution in the rolling direction in varying degrees. For the trial CSP flow, increasing the slab thickness and allocating a larger reduction in the front racks are advantageous Strain uniformity during rolling.