Electromechanical Dynamics Analysis of Roll-Die Forming Machine

doi:10.3901/JME.2021.17.163

Abstract

Abstract: Dynamic analysis is of great significance to the design of roll-die forming machine. Aiming at the electromechanical system composed of drive motor, drive mechanism, roll-die system and formed high strength steel plate, based on the energy principle, a new dynamic analysis method of electromechanical system including electromagnetic field, driving force field of mechanism and dynamic energy field in continuous plastic deformation process of high strength steel plate is proposed. Through theoretical research, the energy mathematical expression of each part of the system is deduced, and then the electromechanical dynamics equation of the roll-die forming machine is obtained. The counter torque in the process of roll-die forming is extracted by finite element method, and be used to solve the differential equations by Runge Kutta method. The motion mechanism of the system composed of driving motor, driving mechanism, roll-die system and advanced high strength steel sheet deformation is revealed. The system performance parameters such as the load of each axis and the driving torque of the motor are obtained. The servo motion speed and acceleration of each roll show the dynamic characteristics of the equipment in an all-round way, so as to realize the performance design and accurate control for advanced high strength steel variable cross-section roll-die forming machine. The feasibility of the developed roll-die forming machine is verified by the analysis results

Key words: roll-die forming machine, energy principle, electromechanical system, dynamical analysis

CLC Number:

TG156

YANG Zhenfeng, LI Qiang, GUAN Yanzhi, CHEN Xiaoyu, ZHU Yuekun, LI Aoran. Electromechanical Dynamics Analysis of Roll-Die Forming Machine[J]. Journal of Mechanical Engineering, 2021, 57(17): 163-172.

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