Study on Meshing Stiffness and Dynamic Characteristics of Fine High Tooth Gears

Zhang Xiangfeng; Shang Jun; Zhou Jianxing; Fei Xiang

doi:10.16578/j.issn.1004.2539.2023.08.005

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Study on Meshing Stiffness and Dynamic Characteristics of Fine High Tooth Gears

Theory·Research | 更新时间：2023-08-22

- Study on Meshing Stiffness and Dynamic Characteristics of Fine High Tooth Gears
- Journal of Mechanical Transmission Vol. 47, Issue 8, Pages: 30-35(2023)
- 作者机构：
  
  新疆大学机械工程学院，新疆乌鲁木齐 830017
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.08.005
  CLC：
- Published：15 August 2023，
  
  Received：09 June 2022，
  
  Revised：01 August 2022，
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章翔峰,尚俊,周建星等.细高齿齿轮啮合刚度及动态特性研究[J].机械传动,2023,47(08):30-35.

Zhang Xiangfeng,Shang Jun,Zhou Jianxing,et al.Study on Meshing Stiffness and Dynamic Characteristics of Fine High Tooth Gears[J].Journal of Mechanical Transmission,2023,47(08):30-35.
章翔峰,尚俊,周建星等.细高齿齿轮啮合刚度及动态特性研究[J].机械传动,2023,47(08):30-35. DOI： 10.16578/j.issn.1004.2539.2023.08.005.

Zhang Xiangfeng,Shang Jun,Zhou Jianxing,et al.Study on Meshing Stiffness and Dynamic Characteristics of Fine High Tooth Gears[J].Journal of Mechanical Transmission,2023,47(08):30-35. DOI： 10.16578/j.issn.1004.2539.2023.08.005.

摘要

为了研究细高齿齿轮的振动特性，以一对标准齿齿轮和细高齿齿轮为对比研究对象，建立直齿轮传动系统平移-扭转动力学模型；采用有限元方法求解细高齿齿轮的时变啮合刚度，分析了负载对刚度的影响规律；通过Newmark

-β

时间积分法计算齿轮的振动响应，对比标准齿齿轮和细高齿齿轮传动系统的轴承动载荷及齿轮啮合激励，求解了不同转速下两对齿轮系统的输入、输出轴承动载荷。结果表明，细高齿齿轮啮合为两齿-三齿交替接触，刚度变化减弱；轴承动载荷波动幅值较标准齿大幅降低，啮合频率及其倍频幅值明显下降，轮齿间啮合力减小。

Abstract

In order to study the vibration characteristics of fine high tooth gears

a pair of standard gears and fine high gears are taken as comparative experimental objects

and the translation torsion dynamic model of a spur gear transmission system is established. The finite element method is used to solve the time-varying meshing stiffness of fine high tooth gears

and the influence of load on the stiffness is analyzed. The vibration response of gears is calculated by Newmark-

time integration method. The dynamic loads of bearings and gear meshing excitation of standard gears and fine high gear transmission systems are compared

and the dynamic loads of input and output bearings of two pairs of gear systems at different speeds are solved. The results show that the meshing of fine high gears is two-tooth three-tooth alternating contact

and the change of stiffness is weakened. The dynamic load fluctuation amplitude of the bearing is significantly lower than that of the standard tooth

the meshing frequency and its frequency doubling amplitude are significantly reduced

and the meshing force between the teeth is reduced.

关键词

细高齿啮合刚度动态特性啮合激励

Keywords

Fine high toothMeshing stiffnessDynamic characteristicsMeshing excitation

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