An approximate method for a three-dimensional analysis of rolling
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2022, Journal of Manufacturing ProcessesDeduction of a quadratic velocity field and its application to rolling force of extra-thick plate
2022, Computers and Mathematics with ApplicationsCitation Excerpt :The most common method of establishing a rolling force model is the energy method in terms of a velocity field. The research of velocity field in the three-dimensional rolling can be traced back to the one by Oh and Kobayashi (1975) [5]. They proposed the stream function velocity field and acquired the numerical solution of the rolling force.
An integrated model of rolling force for extra-thick plate by combining theoretical model and neural network model
2022, Journal of Manufacturing ProcessesCitation Excerpt :They simplified the strip rolling process to be the plain deformation, and derived the approximated expressions of rolling torque and force. After then, Kabayashi and Oh [4,5] analyzed three-dimensional rolling process, and constructed the integral framework of rolling energy rate. But, due to the integral difficulty, they can't solve out the analytical solution of rolling force, and just obtained the numerical solution of rolling force by the method of Runge-Kutta.
Dynamic rolling model based on uniform deformation
2020, Journal of Manufacturing ProcessesCitation Excerpt :Simultaneously, the energy method has been extensively studied in the solution of rolling forces. Oh et al. [5] used a kinematically admissible three-dimensional velocity field and considered the influence of shear deformation, and assumed that the friction force was constant, established a three-dimensional deformation model for analyzing the rolling process, then the theoretical solutions of rolling torque, sideways spread and the location of neutral positions are obtained. However, the model does not give a theoretical solution for the rolling force.