4.6 Article

Mathematical modeling and simulated analysis of metal flow behavior during the FGC of ESP rolling process

Journal

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 127, Issue 11-12, Pages 5031-5047

Publisher

SPRINGER LONDON LTD
DOI: 10.1007/s00170-023-11449-3

Keywords

ESP; FGC; Flatness distribution; Metal transverse flow; Finite element model

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An accurate description of metal flow behavior during wedge zone deformation is crucial for the stability of endless strip production rolling process. A flatness calculation model of the wedge zone, considering the metal transverse flow, was established to predict the flatness distribution during the flying gauge change process. The effects of different rolling parameters on metal flow in the wedge zone were investigated using a combination of this model and a 3D finite element model, and the influences of reduction rate, roll crown, and friction coefficient on flatness and metal lateral flow were analyzed.
An accurate description of the metal flow behavior during wedge zone deformation is key to the stability of the endless strip production rolling process. To predict the flatness distribution based on the law of volume invariance, a flatness calculation model of the wedge zone during the flying gauge change (FGC) process was established by considering the metal transverse flow. Furthermore, the effect of different rolling parameters on the flow of metal in the wedge zone was investigated using a combination of this model with a 3D finite element model. In addition, the influences of the reduction rate, roll crown, and friction coefficient on the flatness and metal lateral flow were analyzed and discussed. Finally, the numerical results provided by the finite element model were compared with the computed results of the flatness distribution to illustrate the effectiveness and stability of the proposed model.

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