现代变流技术诱发的电主轴系统电磁损伤故障机理研究

来源 :国家自然科学基金委员会高性能机床主轴中的关键科学问题”十二五“规划研讨会 | 被引量 : 0次 | 上传用户:zhhs555
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以高速精密机床高频电主轴为主要研究对象,系统研究并揭示了共模电压引起的轴电流、电磁感应产生的高压静电放电和高频变流引起的脉冲尖峰电压导致润滑油膜和绝缘结构电磁损伤故障的物理机制,发明了针对金属或陶瓷球轴承作为支撑的同步型和异步型电主轴的预防电磁损伤的方法和装置,利用该专利技术研制成功了我国第一台高速精密永磁同步型电主轴.研究结果对于深入认识影响电主轴运行寿命的潜在因素——电磁损伤,特别是克服目前国内外处在研制开发热潮中的同步型电主轴的电磁损伤故障,具有重要参考价值.
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