Evaluation of Torsional Natural Frequency of Hot Rolling Mill with Twin-Type Drive System:— Torsional Vibration of Twin-Type Drive System for Hot Rolling Mill I —

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In recent years, the coupled vibration problems with mechanical and control systems have been observed with the development of high-response machines. To design a high-performance and reliable machine, an accurate method of evaluating dynamic characteristics is highly required. In this paper, an evaluation scheme for torsional natural frequency is presented as an example of a hot rolling mill drive system. To improve the current mechanical vibration analysis model, an FEM code considering control is developed. Work stiffness isn't typically considered in an analysis model, but we demonstrate that work markedly affects the torsional frequency and suggest its estimation method.
The Japan Society for Technology of Plasticityの論文