基于Archard修正模型的角接触球轴承磨损有限元分析
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摘要
在分析轴承受力和运动的基础上,研究了轴承运行时球与滚道接触区的滑动,计算了一定条件下接触区滑动速度的分布,指出了球在滚道上运动时纯滚动点的存在。开展了球盘摩擦磨损试验,得到了轴承钢在边界润滑条件下的摩擦因数和磨损系数。利用有限元方法和Archard磨损计算模型,建立了球与内圈磨损的仿真计算模型,并分析了运行时间、径向载荷、接触角等因素对轴承磨损的影响。
Based on the analysis of the bearing loads and kinematics,the sliding phenomenon between ball and raceway is studied. The velocity distribution of the sliding on contact region under certain conditions was calculated and the zero sliding points were indicated. Ball-plate wear tests were conducted to obtain the friction coefficient and wear coefficient of bearing steel under boundary lubricant conditions. A finite element wear model of ball and inner ring is established to analyze the effect of running time,radial load and contact angle coefficient on ball bearing wear by using Finite Element Method( FEM) and Archard wear calculation model.
Based on the analysis of the bearing loads and kinematics,the sliding phenomenon between ball and raceway is studied. The velocity distribution of the sliding on contact region under certain conditions was calculated and the zero sliding points were indicated. Ball-plate wear tests were conducted to obtain the friction coefficient and wear coefficient of bearing steel under boundary lubricant conditions. A finite element wear model of ball and inner ring is established to analyze the effect of running time,radial load and contact angle coefficient on ball bearing wear by using Finite Element Method( FEM) and Archard wear calculation model.
引文
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[2]OLOFSSON U.Characterisation of Wear in Boundary Lubricated Spherical Roller Thrust Bearings[J].Wear,1997,208(1/2):194-203.
[3]OLOFSSON U.An Experimental Investigation of Wear and Fatigue Life Reduction of Boundary Lubricated Spherical Roller Thrust Bearings[J].Tribology International,1997,30(9):685-692.
[4]OLOFSSON U,ANDERSSON S,BJRKLUND S.Simulation of Mild Wear in Boundary Lubricated Spherical Roller Thrust Bearings[J].Wear,2000,241(2):180-185.
[5]石莹,江亲瑜,李宝良.圆柱滚子轴承磨损及可靠性寿命的数值仿真[J].润滑与密封,2011,36(2):30-34.SHI Y,JIANG Q Y,LI B L.Numerical Simulation of Wear Process and Reliability Life for Cylindrical Roller Bearing[J].Lubrication Engineering,2011,36(2):30-34.
[6]LIU C H,CHEN X Y,GU J M,et al.High-speed Wear Lifetime Analysis of Instrument Ball Bearings[J].Proceedings of the Institution of Mechanical Engineers,Part J:Journal of Engineering Tribology,2009,223(3):497-510.
[7]DING J,LEEN S B,MCCOLL I R.The Effect of Slip Regime on Fretting Wear-induced Stress Evolution[J].International Journal of Fatigue,2004,26(5):521-531.
[8]MCCOLL I R,DING J,LEEN S.Finite Element Simulation and Experimental Validation of Fretting Wear[J].Wear,2004,256(11):1114-1127.
[9]裴礼清,张峰.滚动轴承的滚动体与内圈接触部分的相对滑动分析[J].机械设计与研究,2000(2):53-55.PEI L Q,ZHANG F.Relative Ship Analysis in the Contact Part Between Rolling Element and the Inner Ring of Ball Bearing[J].Machine Design&Research,2000(2):53-55.
[10]STRIBECK R.Ball Bearings for Various Loads[J].Transaction of the ASME,1907,29:420-463.