Research of the Lapping Burn and Inhibition of Hypoid Gear

Liu Xianghuan; Liu Defu; Chen Tao; Zhang Yu

doi:10.16578/j.issn.1004.2539.2016.09.004

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Research of the Lapping Burn and Inhibition of Hypoid Gear

更新时间：2022-10-20

- Research of the Lapping Burn and Inhibition of Hypoid Gear
- Vol. 40, Issue 9, Pages: 17-22(2016)
- 作者机构：
  
  1. 中南大学机电工程学院
  2. 株洲齿轮有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2016.09.004
  CLC：
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[1]刘祥环,刘德福,陈涛,张宇.准双曲面齿轮研齿烧伤及抑制研究[J].机械传动,2016,40(09):17-22+79.

Liu Xianghuan, Liu Defu, Chen Tao, et al. Research of the Lapping Burn and Inhibition of Hypoid Gear. [J]. 40(9):17-22(2016)
[1]刘祥环,刘德福,陈涛,张宇.准双曲面齿轮研齿烧伤及抑制研究[J].机械传动,2016,40(09):17-22+79. DOI： 10.16578/j.issn.1004.2539.2016.09.004.

Liu Xianghuan, Liu Defu, Chen Tao, et al. Research of the Lapping Burn and Inhibition of Hypoid Gear. [J]. 40(9):17-22(2016) DOI： 10.16578/j.issn.1004.2539.2016.09.004.

摘要

汽车驱动桥准双曲面齿轮在研齿加工过程中经常出现齿面烧伤现象,这种缺陷将导致准双曲面齿轮在使用的过程中出现点蚀、剥落打齿等失效模式。本文提出的根据研齿烧伤部位的宏观特征辨别研齿烧伤的方法;从金相组织、硬度变化分析出齿面烧伤对齿轮寿命的影响,并进行了台架试验和道路试验验证。通过建立准双曲面齿轮啮合点相对滑动的数学模型,计算出各啮合部位的相对滑动速度,发现齿面烧伤部位正是相对滑动速度最大的部位。通过多轮研齿烧伤再现试验研究证明了零侧隙研齿是导致研齿烧伤的主要因素。结合生产实践经验,提出了研齿标准作业程序、研齿侧隙自动监控等抑制研齿烧伤方法。

Abstract

It often happens to tooth surface burn of hypoid gears installed on automobile drive axle during the gear lapping process,it will cause pitting,peeling and cutting. The discrimination method of lapping burn is presented by describing the features of burn location. The effect on gear durability caused by lapping burn is analyzed by studying the metallographic structure and the hardness variation and the effect is verified by rig test and road test. By establishing the mathematical model of the hypoid gear meshing point relative sliding and by calculating the relative sliding speed of each meshing point,it’s found that the burned area of tooth surface is the biggest relative sliding velocity. The reproducibility tests are down by several times of tests for lapping burn. It’s verified that the main factor in lapping burn is closely related to the lapping clearance control. Combining with the production practice experience,several methods to control the lapping burn are presented through revising operation standard,lapping clearance automatic monitoring,etc.

关键词

准双曲面齿轮研齿烧伤控制金相组织滑动速度

Keywords

Hypoid gearLappingBurn controlMetallographic structureSliding speed

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