A study on electromagnetic-ring active balancing system for machine tool spindles with hollow rotors
PAN Xin1,2,HE Xiaotian2,WU Haiqi2,GAO Jinji1,2,JIANG Zhinong1,2
1.Key Laboratory of Engine Health Monitoring-Control and Networking of Ministry of Education,Beijing University of Chemical Technology, Beijing 100029, China;
2.Beijing Key Laboratory of Health Monitoring and Self-recovery for High-end Mechanical Equipment,Beijing University of Chemical Technology, Beijing 100029, China
Mass imbalance is a typical cause to failure of machine tool spindles.Because the active balancing system can automatically reduce the unbalance vibration of spindle rotors, it is an essential component of intelligent machine tool spindles.A novel electromagnetic-ring balancing actuator was introduced in this study, which can be integrated into hollow rotors of spindles and compensate the initial mass imbalance through step rotation of two counterweight discs driven by magnetic field.The effectiveness of the balancing system was verified by an active balancing experiment.The experimental results show that the active balancing system could reduce the unbalance vibration of the machine tool spindle by 87.5% at 3 600 r/min.
潘鑫1，2，何啸天2，吴海琦2，高金吉1，2，江志农1，2. 内装电磁滑环式主动平衡系统的研究[J]. 振动与冲击, 2019, 38(20): 7-11.
PAN Xin1,2,HE Xiaotian2,WU Haiqi2,GAO Jinji1,2,JIANG Zhinong1,2. A study on electromagnetic-ring active balancing system for machine tool spindles with hollow rotors. JOURNAL OF VIBRATION AND SHOCK, 2019, 38(20): 7-11.
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