Research of Reducing Gear Bending Stress based on Multi-parameter Optimization

Zhao Xiangfei; Cui Yan; Zhang Tianyi

doi:10.16578/j.issn.1004.2539.2018.03.008

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Research of Reducing Gear Bending Stress based on Multi-parameter Optimization

更新时间：2022-10-20

- Research of Reducing Gear Bending Stress based on Multi-parameter Optimization
- Vol. 42, Issue 3, Pages: 31-33(2018)
- 作者机构：
  
  1. 北京航天控制仪器研究所
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.03.008
  CLC：
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[1]赵向飞,崔岩,张天一.基于多参数优化降低齿轮弯曲应力方法研究[J].机械传动,2018,42(03):31-33+44.

Zhao Xiangfei, Cui Yan, Zhang Tianyi. Research of Reducing Gear Bending Stress based on Multi-parameter Optimization. [J]. 42(3):31-33(2018)
[1]赵向飞,崔岩,张天一.基于多参数优化降低齿轮弯曲应力方法研究[J].机械传动,2018,42(03):31-33+44. DOI： 10.16578/j.issn.1004.2539.2018.03.008.

Zhao Xiangfei, Cui Yan, Zhang Tianyi. Research of Reducing Gear Bending Stress based on Multi-parameter Optimization. [J]. 42(3):31-33(2018) DOI： 10.16578/j.issn.1004.2539.2018.03.008.

摘要

齿轮是机械传动装置中重要的基础零部件,为避免齿轮副传动中轮齿发生弯曲疲劳断裂的情况,以齿根最大弯曲应力极小化为目标函数,以齿顶厚大于0.25 m和重合度大于2为约束条件,对齿廓参数进行综合优化。在中心距不变的情况下,采用Matlab中for循环进行逐点求解优化,再采用ANSYS的APDL语言对齿轮进行有限元建模,在啮合状态下进行弯曲应力分析,验证了优化结果的可靠性,对降低齿轮弯曲应力具有指导意义。

Abstract

Gear is an important part for mechanical transmission. In order to avoid the case of bending fatigue fracture during transmission,with the maximum bending stress of the tooth root as the objective function,and the tooth thickness greater than 0. 25 m and the coincidence degree greater than 2 as the constraint,the tooth profile parameters are optimized. In the case of the center distance constant,the solution is optimized by using the loop in Matlab,and then the finite element model of the gears is founded by ANSYS APDL language.The bending stress analysis is carried out in the meshing state to verify the reliability of the optimization results,which has a guiding significance to reduce the bending stress.

关键词

齿轮重合度弯曲应力疲劳断裂有限元

Keywords

GearCoincidence degreeBending stressFatigue fractureFinite element

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