Reliability Analysis on Random Meshing Efficiency of Helical Gear based on Monte Carlo Method

Mingyong Hu; Yunbo Hu; Jinku Li; Wei Liu

doi:10.16578/j.issn.1004.2539.2021.06.019

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Reliability Analysis on Random Meshing Efficiency of Helical Gear based on Monte Carlo Method

Test·Analysis | 更新时间：2022-11-10

- Reliability Analysis on Random Meshing Efficiency of Helical Gear based on Monte Carlo Method
- Journal of Mechanical Transmission Vol. 45, Issue 6, Pages: 127-131(2021)
- 作者机构：
  
  1.湖南南方宇航高精传动有限公司，湖南株洲 412000
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.06.019
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胡明用,胡云波,李金库等.基于蒙特卡罗法的斜齿轮随机啮合效率可靠性分析[J].机械传动,2021,45(06):127-131.

Hu Mingyong,Hu Yunbo,Li Jinku,et al.Reliability Analysis on Random Meshing Efficiency of Helical Gear based on Monte Carlo Method[J].Journal of Mechanical Transmission,2021,45(06):127-131.
胡明用,胡云波,李金库等.基于蒙特卡罗法的斜齿轮随机啮合效率可靠性分析[J].机械传动,2021,45(06):127-131. DOI： 10.16578/j.issn.1004.2539.2021.06.019.

Hu Mingyong,Hu Yunbo,Li Jinku,et al.Reliability Analysis on Random Meshing Efficiency of Helical Gear based on Monte Carlo Method[J].Journal of Mechanical Transmission,2021,45(06):127-131. DOI： 10.16578/j.issn.1004.2539.2021.06.019.

摘要

基于蒙特卡罗法，建立了斜齿轮随机啮合效率的可靠性模型，选择对啮合效率影响较大的5个参数作为随机参数，通过对随机参数的正态分布抽样，分别得到各个随机参数对啮合效率的可靠性影响。结果表明，法向模数和螺旋角对斜齿轮啮合效率的影响最小，两者相近；其次是齿宽、法向压力角；影响最大的是齿顶高系数,h,。所以，在考虑啮合效率的斜齿轮传动系统的设计和制造中，可以通过优化法向模数、螺旋角,β,和齿宽来提高斜齿轮的接触强度和弯曲强度，以减少对啮合效率的影响。

Abstract

Based on the Monte Carlo method，the reliability model of random meshing efficiency of helical gears is established. Five parameters that have a greater impact on the meshing efficiency are selected as random parameters. Through the normal distribution sampling of the random parameters，the reliability effects of each random parameter on the meshing efficiency are obtained. The results show that the normal modulus and the helix angle have the smallest effect on the meshing efficiency of helical gear，which are similar，the second is the tooth width，the third is the normal pressure angle，the most influential is the addendum height coefficient,h,. Therefore，in the design and manufacture of helical gear transmission systems considering meshing efficiency，the contact strength and bending strength of helical gears can be improved by optimizing the normal modulus ，helix angle ,β, and tooth width to reduce the impact on meshing efficiency.

关键词

蒙特卡罗法斜齿轮随机啮合效率可靠性分析

Keywords

Monte Carlo methodHelical gearRandom meshing efficiencyReliability analysis

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