Experimental of Micropitting Corrosion of Gear based on Profile Modification

Dongfei Wang; Shijun Liu; Lü Pangong; Jiqiang Li; Deming Meng

doi:10.16578/j.issn.1004.2539.2021.10.020

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Experimental of Micropitting Corrosion of Gear based on Profile Modification

Test·Analysis | 更新时间：2022-11-10

- Experimental of Micropitting Corrosion of Gear based on Profile Modification
- Journal of Mechanical Transmission Vol. 45, Issue 10, Pages: 126-131(2021)
- 作者机构：
  
  1.郑州机械研究所有限公司，河南郑州 450052
  2.中船重工海为郑州高科技有限公司工程装备事业部，河南郑州 450052
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.10.020
  CLC：
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王东飞,刘世军,吕泮功等.基于齿廓修形的齿轮微点蚀性能试验[J].机械传动,2021,45(10):126-131.

Wang Dongfei,Liu Shijun,Pangong Lü,et al.Experimental of Micropitting Corrosion of Gear based on Profile Modification[J].Journal of Mechanical Transmission,2021,45(10):126-131.
王东飞,刘世军,吕泮功等.基于齿廓修形的齿轮微点蚀性能试验[J].机械传动,2021,45(10):126-131. DOI： 10.16578/j.issn.1004.2539.2021.10.020.

Wang Dongfei,Liu Shijun,Pangong Lü,et al.Experimental of Micropitting Corrosion of Gear based on Profile Modification[J].Journal of Mechanical Transmission,2021,45(10):126-131. DOI： 10.16578/j.issn.1004.2539.2021.10.020.

摘要

对渐开线齿轮的齿顶和齿根进行齿廓修形，并将修形齿轮和未修形齿轮放置在接触疲劳试验台上进行对比试验，通过测量齿廓波动偏差和齿面形貌观察了齿面微点蚀的变化情况。结果表明，相同循环次数下，修形齿轮的微点蚀深度和面积都远小于未修形齿轮；修形齿轮的微点蚀扩展速率也远小于未修形齿轮。当齿轮出现接触疲劳失效时，修形齿轮的循环次数要远高于未修形齿轮的循环次数。由此可以判定，该齿廓修形在很大程度上提升了齿轮的抗微点蚀能力和接触疲劳性能。

Abstract

The addendum and root of involute gear are modified，and the modified gear and unmodified gear are placed on the contact fatigue tester for comparative test. The variation of micro pitting corrosion on the tooth surface is reflected by measuring the profile fluctuation deviation and the tooth surface morphology. The experimental results show that the size and area of micropitting corrosion of the modified gear are much smaller than those of the unmodified gear under the same number of cycles，the micropitting propagation rate of the modified gear is also much lower than that of the unmodified gear. When the gear fatigue failure occurs，the number of cycles of the profile modification gear is much higher than that of the unmodified gear. It can be concluded that the profile modification greatly improves the anti micropitting ability and contact fatigue property of the gear.

关键词

渐开线齿轮齿廓修形微点蚀接触疲劳试验

Keywords

Involute gearProfile modificationMicropittingContact fatigue test

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