内装电磁滑环式主动平衡系统的研究

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振动与冲击 ›› 2019, Vol. 38 ›› Issue (20) : 7-11.

论文

内装电磁滑环式主动平衡系统的研究

潘鑫1，2，何啸天2，吴海琦2，高金吉1，2，江志农1，2

作者信息 +

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

Author information +

文章历史 +

摘要

质量不平衡超标是导致机床主轴功能失效的一种典型故障，而主动平衡系统由于可在线自动降低主轴转子因刀具或砂轮不均匀磨损等因素造成的的不平衡振动，是智能机床主轴的重要组成部分之一。本文介绍了一种可集成安装于主轴中空转子中的内装电磁滑环式平衡执行器，并通过磁场驱动两个配重盘的步进旋转来在线补偿主轴转子的初始不平衡量。在详细介绍该执行器的工作原理以及平衡精度和自锁能力两项性能参数的基础上，通过主动平衡实验验证了该平衡系统的有效性。实验结果表明，该主动平衡系统可在3600 rpm的转速下将机床主轴的不平衡振动降低87.5％。

Abstract

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.

导出引用

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[J]. Journal of Vibration and Shock, 2019, 38(20): 7-11

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