Plate Shape Prediction Model for Sendzimir Twenty-High Mill

Plate shape is a very important quality index of plate and strip, and plate shape control is the key technology and difficult technology of the plate and strip mill. The core model of plate shape control is the plastic deformation model of the rolling piece and the elastic deformation model of the roll system, and the traditional iterative method is to use the relaxation factor method for the iterative calculation of plate shape, and the calculation speed is faster than the finite element method. In this paper, the Sendzimir twenty-high mill is the object of study, using the influence function method to establish the elastic deformation model of the roll system, ignoring the strip transverse spread, the plastic deformation model of the rolled parts, and the use of the traditional iterative method of the two models for the coupling of the calculation. Through the rolling of stainless steel strips, examples show that the twenty-high mill plate shape analysis model calculation is reliable and stable, proving the practicality and reliability of the method in this paper and laying a foundation for the twenty-high mill based on the model of plate shape control.