在四辊轧机上用液压弯辊装置控制冷轧薄板板形是一有效的方法。本文在对目前国内外已有的理论计算模型进行分析研究的基础上,采用分割模型的受力分析,考虑到摩擦、轧辊压扁、材料加工硬化、内应力、宽展等因素对轧制压力及板形的影响,提出了板形计算的非线性分割模型。计算结果与实验结果进行了比较。通过计算得到一系列工艺参数,可供现场生产中板形调整作参考。 It is an effective method to control the cold-rolled sheet shape by the hydraulic bending device on a four-high rolling mill. Based on the analysis of the existing theoretical calculation models both at home and abroad, this paper adopts the stress analysis of the split model, considering the factors such as friction, roll flattening, material work hardening, internal stress, And the influence of plate shape, a nonlinear model of plate shape calculation is proposed. The calculated results are compared with the experimental results. A series of process parameters are obtained through calculation, which can be used as a reference for the plate shape adjustment in on-site production.