滚动轴承支撑的卧式转子一阶临界转速的测试  

First Order Whirling Speed Test of HorizontalRotor Supporting by Roller Bearings

作　　者：刘高进[1] 马会防 张恒[1] 白柑秋[3] 

机构地区：[1]金华职业技术学院,浙江金华321017 [2]上海凯泉泵业(集团)有限公司技术中心,上海201804 [3]郑州机械研究所,河南郑州450052

出　　处：《装备制造技术》2012年第12期86-88,共3页Equipment Manufacturing Technology

摘　　要：通过分析影响滚动轴承支撑的卧式转子的一阶临界转速的诸多因素,指出较为合适的临界转速确定方法,即转子加速旋转、跨过共振区的加速共振法,并通过实验,测定了某型号转子系统的一阶临界转速。然后,又采用锤击法的多种测试方案,进行测试和对比,探讨锤击法最佳测点的选择和锤击法替代加速共振法的可能性。最后,提出了滚动轴承径向刚度的简化模型,解释测试数据的一些特点。The better determing method of roller bearings is suggested by analysing factors which affect first order- whirling speed of horizontal rotor supporting by roller bearings. The method which accelerates resonance is that it accelerates revotion and crosses-over resonance region. The first order whirling speed of one rotor system is determined by experiments; then the best station choice of hammer method and the possibility of the acceleration method instead byhammer method is discussed by sheme comparion of hammer method; lastly, simplified model of roller bearings radial rigidity is presented and some of data characteristic is explained.

关 键 词：滚动轴承 径向刚度 临界转速 横向振动 共振法 锤击法 最佳测点 刚度简化模型 

分 类 号：TH133.33[机械工程—机械制造及自动化]