张力在轧制过程中对轧制力影响的有限元模拟

摘要

Rolling tension is a very important parameter which should be controlled strictly in the production process of cold rolling strip .Study on the rolling tension can offer the theoretical foundation for guiding practice of steel enterprise .By finite element analysis software ANSYS/LS-DYNA , we established the three-dimensional model , and imitated the rolling processes through changing forward tension and backward tension .Through observing the change of rolling force and strip shape carefully ,we draw the following conclusion :the change of tension can change rolling force obviously ;the influence of backward tension on rolling force is greater than that of forward tension .%　　轧制张力是冷轧带钢生产过程中非常重要而且必须严格控制的参数，研究轧制张力可以为企业生产实践提供理论依据。采用有限元显式动力学分析软件ANSYS/LS-DYNA建立三维实体模型，并模拟分别改变前张力和后张力板带的轧制过程。通过分析轧制过程中轧制力以及轧制后板形的变化，得出结论：张力的变化可以显著改变轧制压力，后张力对轧制力的影响幅度要大于前张力。