立磨减速机弧齿锥齿轮副动态疲劳性能研究

doi:10.16578/j.issn.1004.2539.2014.11.010

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立磨减速机弧齿锥齿轮副动态疲劳性能研究

更新时间：2025-04-03

- 立磨减速机弧齿锥齿轮副动态疲劳性能研究
- Vol. 38, Issue 11, Pages: 41-44+87(2014)
- 作者机构：
  
  绵阳职业技术学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2014.11.010
  CLC： TH132.41
- Published：2014
- 稿件说明：
移动端阅览
[1]张明.立磨减速机弧齿锥齿轮副动态疲劳性能研究[J].机械传动,2014,38(11):41-44+87.

[J]. 2014, 38(11): 41-44+87.
[1]张明.立磨减速机弧齿锥齿轮副动态疲劳性能研究[J].机械传动,2014,38(11):41-44+87. DOI： 10.16578/j.issn.1004.2539.2014.11.010.

[J]. 2014, 38(11): 41-44+87. DOI： 10.16578/j.issn.1004.2539.2014.11.010.

摘要

建立磨减速机输入弧齿锥齿轮副的三维接触有限元模型

借助LS-DYNA软件对锥齿轮副柔性体动力学进行仿真分析

得到锥齿轮副的瞬态接触力

以此为疲劳寿命分析的载荷谱

结合静载作用下的应力结果和锥齿轮副材料S-N曲线

在FE-SAFE中采用最大主应力算法对锥齿轮副进行疲劳寿命分析

并研究了应力集中系数、载荷和残余应力对锥齿轮副疲劳寿命的影响规律。研究结果表明

锥齿轮副寿命随应力集中系数和载荷的增加而减小

疲劳寿命对载荷较敏感;残余拉应力使锥齿轮副的疲劳寿命降低

而残余压应力使锥齿轮副的疲劳寿命提高。

Abstract

The 3Dcontact finite element model of the input spiral bevel gear pair of vertical mill reducer is built

the flexible-body dynamics simulation analysis of bevel gear pair is carried out by using the LS-DYNA software

and the transient contact force is obtained

the fatigue life of the bevel gear pair is performed by using maximum main stress algorithm in FE-SAFE based on fatigue load spectrum

the S-N curve of the bevel gear pair and stress results of the bevel gear pair under static load.Then

the influence of stress concentration

loads and residual stress on fatigue life of bevel gear pair are studied based on the results above.The results indicate that the life decreases of bevel gear pair with the increase of stress concentration and loads

the fatigue life shows sensitization to loads

the residual tensile stress leads to a reduction of bevel gear pair fatigue life

however

the residual press stress leads to a increase of bevel gear pair fatigue life.

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