Transactions of Materials and Heat Treatment

Title：Parameter calibration of main transmission system for heavy duty servo press

Authors： Li Jian1 Wang Zhen1 Song Qingyu2

Unit： 1. College of Mechanical Engineering Dalian University 2. CFHI Dalian Engineering & Technology Co. Ltd.

KeyWords： servo press main transmission system servo motor parameter calibration torque model

ClassificationCode：TH112

year,vol(issue):pagenumber：2022,47(12):148-153

Abstract：

Parameter accuracy of main transmission system for heavy duty servo press is an important factor that affecting the safe and stable operation of servo motor. In order to ensure the accuracy of parameters, a method of parameter calibration of main transmission system for heavy duty servo press was proposed. Firstly, the main transmission system parameters were classified and defined by applying modular approach, and five parameters to be calibrated were identified. Secondly, the parameter calibration model of main transmission system was established base on the torque calculation model. It aimed at minimizing the mean square error of the torques between theoretical calculation and actual running of servo motor, and it was performed by the optimization algorithms. Finally, the experiment of parameter calibration for main transmission system was conducted on a 25000 kN heavy duty servo press. The results show that the average error between the theoretically calculated torque and the actual running torque is reduced from 12.3% to 6.9%, and the maximum error reduced from 74.2% to 10.1% using the calibrated parameters of main transmission, which improving the checking accuracy of safety for servo motor. In addition, the stamping production beat can be increased by 0.1 piece per min.The experiment result proves the effectiveness and necessity of the calibration method.

Funds：

“十一五”国家科技重大支撑计划资助项目(2010ZX 04004-112)

李建（1981-），男，博士，正高级工程师 E-mail：cfhi_lj@126.com 通信作者：王珍（1971-），男，博士，教授 E-mail：wangzhen@dlu.edu.cn

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