FATIGUE LIFE AND RELIABILITY ANALYSIS OF CYCLOIDAL GEARS BASED ON WorkBench AND nCode

QIAO XueTao; SHENG Kun; LI YouHua; ZHANG HongWei; ZHOU ShiTao; CAO Kang

doi:10.16579/j.issn.1001.9669.2024.06.023

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FATIGUE LIFE AND RELIABILITY ANALYSIS OF CYCLOIDAL GEARS BASED ON WorkBench AND nCode

Fatigue · Damage · Fracture · Failure Analysis | 更新时间：2025-04-28

- FATIGUE LIFE AND RELIABILITY ANALYSIS OF CYCLOIDAL GEARS BASED ON WorkBench AND nCode
- Journal of Mechanical Strength Vol. 46, Issue 6, Pages: 1458-1464(2024)
- 作者机构：
  
  1. 中原工学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2024.06.023
  CLC： TH132.46
- Published：15 December 2024
- 稿件说明：
移动端阅览
QIAO XueTao, SHENG Kun, LI YouHua, et al. FATIGUE LIFE AND RELIABILITY ANALYSIS OF CYCLOIDAL GEARS BASED ON WorkBench AND nCode[J]. Journal of mechanical strength , 2024, 46(6): 1458-1464.
DOI：

QIAO XueTao, SHENG Kun, LI YouHua, et al. FATIGUE LIFE AND RELIABILITY ANALYSIS OF CYCLOIDAL GEARS BASED ON WorkBench AND nCode[J]. Journal of mechanical strength , 2024, 46(6): 1458-1464. DOI： 10.16579/j.issn.1001.9669.2024.06.023.

摘要

摆线轮作为RV减速器核心零件之一

其疲劳寿命对减速器整机寿命具有重要影响。利用WorkBench有限元分析确定摆线轮接触应力状态及结构薄弱点。在此基础上

以Miner线性损伤累积理论和S-N曲线修正理论建立摆线轮接触疲劳寿命数学模型

然后利用疲劳寿命分析软件nCode Designlife对摆线轮以最大接触应力进行接触疲劳寿命分析

结果与摆线轮以同样载荷工况下的设计寿命计算结果相差7.6%

并确定摆线轮的接触疲劳损伤最大点。最后

依据摆线轮的接触疲劳寿命分析数据确定其可靠度

为摆线轮的结构优化设计及可靠度分析提供参考。

Abstract

As one of the core parts of RV reducer

the fatigue life of cycloidal gears has an important impact on the life of the whole reducer.WorkBench finite element analysis was used to determine the contact stress state and structural weak points of the cycloid gear.On this basis

the mathematical model of contact fatigue life of cycloidal gears was established by Miner linear damage accumulation theory and S-N curve correction theory

and then nCode Designlife

a fatigue life analysis software

was used to analyze the contact fatigue life of cycloidal gears with the maximum contact stress

and the result was 7.6%different from the design life of cycloidal gears under the same load condition.The maximum point of contact fatigue damage of the cycloidal gear was determined.Finally

the reliability of the cycloidal gear was determined based on the contact fatigue life analysis data

which provides a reference for the structural optimization design and reliability analysis of the cycloidal gear.

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