Calculation Method of Fault Gear Meshing Stiffness
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摘要: 为了有效、准确地计算含故障齿轮的时变啮合刚度,提出了一种基于传统能量法的改进方法,结合改进能量法和有限元法的各自优点,即应用改进能量法快速计算故障齿轮无故障轮齿的啮合刚度,利用有限元法精确地计算故障轮齿有故障部位的啮合刚度.仿真示例结果表明:与能量法和有限元法相比,该方法能快速、准确地仿真故障齿轮的时变啮合刚度并且适用于齿轮系统振动响应的计算.Abstract: To calculate the time-varying mesh-stiffness of fault gear effectively and accurately,the improved energy method based on the traditional energy method was proposed.The method combined advantages of both the improved energy method and the finite element method i.e.conducting fast calculation of meshing stiffness of normal teeth of fault gear by improved energy method while computing meshing stiffness of fault teeth by finite element method.Simulation results prove that comparing with traditional energy method and finite element method,the method can calculate the time-varying mesh-stiffness of fault gear fast and accurately.
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Keywords:
- fault gear /
- meshing stiffness /
- finite element method /
- energy method
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[1] 唐进元,颜海燕.线外啮合齿轮传动啮合刚度计算[J].机械传动,2002,26(4):22-24.TANG Jin-yuan,YAN Hai-yan.Gear mesh stiffness basedon coner contact[J].Journal of MechanicalTransmission,2002,26(4):22-24.(in Chinese) [2] 王龙宝,王贵成,王志.直齿圆柱齿轮啮合刚度的影响因素及其规律性[J].工具技术,2007,41(4):44-48.WANG Long-bao,WANG Gui-cheng,WANG Zhi.Influencing factors and regularity of meshing stiffness ofspur gears[J].Tool Engineering,2007,41(4):44-48.(in Chinese) [3] MUNRO R G,PALMER D,MORRISH L.Anexperimental method to measure gear tooth stiffnessthroughout and beyond the path of contact[J].Journal ofMechanical Engineering Science,2001,C7(215):793-803.
[4] 卜忠红,刘更,吴立言,等.基于线性规划法的齿轮啮合刚度与载荷分布计算的改进方法[J].机械科学与技术,2008,27(11):1365-1368.BU Zhong-hong,LIU Geng,WU Li-yan,et al.A modifiedmethod for determining the mesh stiffness and loaddistribution of a cylinder gear based on linear programming[J].Mechanical Science and Technology for AerospaceEngineering,2008,27(11):1365-1368.(in Chinese) [5] TIAN Xin-hao.Dynamic simulation for system response ofgearbox including localized gear faults[D].AlbertaDepartment of mechanical Engineering,University ofAlberta,2004.
[6] 安春雷,韩振南.点蚀与剥落对齿轮扭转啮合刚度影响的分析[J].振动、测试与诊断,2008,28(4):354-357.AN Chun-lei,HAN Zhen-nan.Analysis of the influence ofpitting and spalling on torsional mesh stiffness of gears[J].Journal of Vibration,Measurement&Diagnosis,2008,28(4):354-357.(in Chinese) [7] 中国国家标准化管理委员会.GB/T3480—1997中国机械工业标准[S].北京:中国标准出版社,2005. [8] CHAARI F,FAKHFAKH T,HADDAR M.Analyticalmodelling of spur gear tooth crack and influence ongearmesh stiffness[J].European Journal of Mechanics A/Solids,2009,28(3):461-468.
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