Based on the deformation characteristics of Y-type mill, a finite element model for simulating the formation process of shaped steel tube for driving shaft is proposed. The distributions of stress and strain were obtained from the simulation. The outer diameter and transverse wall thickness were also analyzed quantitatively. Experiment was done on Y-type mill. A comparison between simulation results and experiment results shows that the simulated results of shaped steel tube are in good agreement with the on-site data. The model could provide the basis for theoretical research and engineering applications of shaped steel tube rolling process.
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