建立力学模型并采用矫直理论计算下扣力大小 ,对U形槽结构进行三维有限元分析和优化 ,使其具有了较大的强度安全系数 ,为对轧机护板装置进行技术改造提供了重要依据。 The mechanical model was established and the buckling force was calculated by straightening theory. The three-dimensional finite element analysis and optimization of the U-shaped groove structure made it have a greater strength and safety factor, which provided important technical innovation for the rolling mill guard device in accordance with.