Payload Distribution and Gear Strength Analysis of Gear Meshing Process Under the Typical Contact Condition

Fu Shuangxue; Zhou Changjiang; Han Xu

doi:10.16578/j.issn.1004.2539.2016.08.023

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Payload Distribution and Gear Strength Analysis of Gear Meshing Process Under the Typical Contact Condition

更新时间：2022-10-20

- Payload Distribution and Gear Strength Analysis of Gear Meshing Process Under the Typical Contact Condition
- Vol. 40, Issue 8, Pages: 102-106(2016)
- 作者机构：
  
  1. 广州民航职业技术学院飞机维修工程学院
  2. 湖南大学汽车车身先进设计制造国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2016.08.023
  CLC：
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[1]符双学,周长江,韩旭.典型工况下啮合齿间有效载荷分布及齿轮强度分析[J].机械传动,2016,40(08):102-106.

Fu Shuangxue, Zhou Changjiang, Han Xu. Payload Distribution and Gear Strength Analysis of Gear Meshing Process Under the Typical Contact Condition. [J]. 40(8):102-106(2016)
[1]符双学,周长江,韩旭.典型工况下啮合齿间有效载荷分布及齿轮强度分析[J].机械传动,2016,40(08):102-106. DOI： 10.16578/j.issn.1004.2539.2016.08.023.

Fu Shuangxue, Zhou Changjiang, Han Xu. Payload Distribution and Gear Strength Analysis of Gear Meshing Process Under the Typical Contact Condition. [J]. 40(8):102-106(2016) DOI： 10.16578/j.issn.1004.2539.2016.08.023.

摘要

为了准确求解啮合齿间的有效载荷分布,准确模拟齿轮传动的强度。基于精确的齿轮有限元模型,按静态/准静态载荷和动态接触两类典型载荷工况对齿轮强度进行数值模拟,通过比较,得出如下结论:1跑合前载荷沿接触线呈线性分布和跑合后呈三次抛物线分布的模拟方法,计及了表面硬度、跑合作用、齿端刚度效应等对齿向载荷分布的影响,数值仿真值较大,适用于跑合前后齿轮强度的数值模拟;2静态模拟齿轮稳定的运行状态,几种有效载荷下,齿根最大应力差别不大,均与经验公式计算值接近,适合高精度精密传动齿轮强度的数值模拟;3动态接触载荷下的齿轮强度的数值模拟由于计及了冲击效应、齿面摩擦,故其仿真结果较经验公式的计算结果偏大,适合于齿轮啮合冲击的数值模拟;4验证了应力集中效应、齿端刚度效应、弹性体力场的连续性。

Abstract

In order to solve the tooth payload distribution and gear strength numerical simulation. Based on precise finite element model of gear,under two kinds of typical load contact condition of the static / quasi static load and dynamic contact load,the gear strength is simulated,and the conclusions are draw by comparison. 1The load is linear distribution along the contact line before running in and parabolic distribution after running- in,the influence of and the gear surface hardness,running- in effect and gear end stiffness effect on the load distribution are considered in numerical simulation of gear strength,and the simulation value is bigger than others. It is suitable for the numerical simulation of the gear strength before and after running- in. 2The stable running status gear is simulated under static payload conditions,the tooth root maximum stress values are close to the calculated values of empirical formulas. It is suitable for high precision gear strength numerical simulation. 3Due to the influence of shock effect,tooth surface friction is considered in the dynamic contact load gear strength numerical simulation,the simulation value is bigger than the calculated value of empirical formulas. It is suitable for the numerical simulation of the gear meshing impact. 4The stress concentration effect,gear tooth end face stiffness effect and the continuity of the elastomer force field are validated.

关键词

有效载荷数值仿真轮齿强度载荷工况

Keywords

PayloadNumerical simulationGear tooth strengthLoad contact condition

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