Gear Trains Reliability Estimation with Failure-Dependence of Meshing Tooth-Pairs

doi:10.7652/xjtuxb201805005

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Gear Trains Reliability Estimation with Failure-Dependence of Meshing Tooth-Pairs

更新时间：2025-07-09

- Gear Trains Reliability Estimation with Failure-Dependence of Meshing Tooth-Pairs
- Vol. 52, Issue 5, Pages: 38-43(2018)
- 作者机构：
  
  1. 东北大学机械工程与自动化学院,沈阳,110819
  2. 东北大学航空动力装备振动及控制教育部重点实验室,沈阳,110819
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201805005
  CLC： TB114
- Online First：10 May 2018，
  
  Published：2018
- 稿件说明：
移动端阅览
Gear Trains Reliability Estimation with Failure-Dependence of Meshing Tooth-Pairs[J]. 2018, 52(5): 38-43.
DOI：

Gear Trains Reliability Estimation with Failure-Dependence of Meshing Tooth-Pairs[J]. 2018, 52(5): 38-43. DOI： 10.7652/xjtuxb201805005.

摘要

为了考虑齿轮系统在输入扭矩载荷作用下啮合齿对的失效相关性

详细分析了齿轮时变啮合关系

基于蒙特卡罗抽样方法

提出了考虑齿轮啮合时变特性及失效相关性的仿真方法。编写了考虑多种失效模式和时变啮合关系的可靠性仿真程序

以齿轮的齿根弯曲和齿面接触静强度失效模式为研究对象

分析了多种失效模式的共因失效现象和时变啮合特性

并比较了所提出方法与传统的串联系统可靠性分析方法之间的差异。算例表明:随着载荷作用次数的增加

传统方法由于未考虑相互啮合轮齿的失效相关性、时变特性和各轮齿强度的不确定性

从而高估或者低估了齿轮系统的可靠度

表明文中提出的方法更贴合实际

评估结果更趋于合理。

Abstract

To statistically consider the dependent failure of meshing tooth-pairs under input torque load

the time varying meshing feature is elaborated

and a reliability analysis method with time varying meshing feature and dependent failure is proposed based on the Monte Carlo simulation. The simulation program is coded taking the static strength failure modes of tooth-root and tooth-surface as the objectives

and the common cause failure with multiple failure modes and time-varying meshing feature are considered in the reliability analysis. The differences between the proposed method and traditional reliability methods are compared. It is found that with the increasing torque action times

the reliability is over-estimated or under-estimated in the traditional methods for lack of considering the dependent failure of tooth-pairs

the time varying feature and the strength uncertainty of each tooth

thus the proposed estimation is more reasonable.

关键词

Keywords

references

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