Experimental Study on the Surface Integrity of Aircraft Gears in Spindle Barrel Finishing

Fu Zhengyu; Liu Qingsong; Deng Mingming; Shao Wen

doi:10.16578/j.issn.1004.2539.2023.06.013

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Experimental Study on the Surface Integrity of Aircraft Gears in Spindle Barrel Finishing

Test·Analysis | 更新时间：2023-06-19

- Experimental Study on the Surface Integrity of Aircraft Gears in Spindle Barrel Finishing
- Journal of Mechanical Transmission Vol. 47, Issue 6, Pages: 88-93(2023)
- 作者机构：
  
  1.中国航发湖南动力机械研究所，湖南株洲 412000
  2.中南大学高性能复杂制造国家重点实验室，湖南长沙 410083
  3.中国航发中传机械有限公司，湖南长沙 410200
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.06.013
  CLC：
- Published：15 June 2023，
  
  Received：22 August 2022，
  
  Revised：24 September 2022，
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付征宇,刘青松,邓明明等.航空齿轮主轴式滚磨光整表面完整性试验研究[J].机械传动,2023,47(06):88-93.

Fu Zhengyu,Liu Qingsong,Deng Mingming,et al.Experimental Study on the Surface Integrity of Aircraft Gears in Spindle Barrel Finishing[J].Journal of Mechanical Transmission,2023,47(06):88-93.
付征宇,刘青松,邓明明等.航空齿轮主轴式滚磨光整表面完整性试验研究[J].机械传动,2023,47(06):88-93. DOI： 10.16578/j.issn.1004.2539.2023.06.013.

Fu Zhengyu,Liu Qingsong,Deng Mingming,et al.Experimental Study on the Surface Integrity of Aircraft Gears in Spindle Barrel Finishing[J].Journal of Mechanical Transmission,2023,47(06):88-93. DOI： 10.16578/j.issn.1004.2539.2023.06.013.

摘要

采用主轴式滚磨光整工艺对14CrMnSiNi2MoA航空圆柱直齿轮进行光整加工试验，对航空齿轮滚磨光整前后的表面形貌、残余应力、显微硬度、微观组织等进行了系统研究。结果表明，对磨削后的航空齿轮进行滚磨光整，可以显著改善齿轮表面完整性；滚磨后齿面粗糙度可以降低到0.2 μm以下，齿面平均残余压应力可以提高约45%，提高了齿面硬度；滚磨前后齿面粗糙度与残余应力分布表明，主轴式滚磨齿面残余压应力增加量和粗糙度降低量呈现为从齿根往齿顶逐渐升高。试验结果为齿轮滚磨光整工艺参数制定提供了理论依据。

Abstract

An experimental study is conducted to investigate the surface integrity in spindle barrel finishing of 14CrMnSiNi2MoA aviation cylindrical spur gears. The surface morphology

residual stress

microhardness

microstructure of aviation gears before and after barrel finishing are systematically studied by professional instruments. The results indicate that the gear surface integrity can be significantly improved by spindle barrel finishing. The surface roughness of the gear reduces to less than 0.2 μm and the average residual compressive stress of the gear surface increases by about 45%. The hardness of the gear surface also increases. The results of surface roughness and residual stress distribution before and after barrel finishing reveal that the increase of residual compressive stress and decrease of roughness of the gear surface increase gradually from the root to the top of the gear

which provides a basis for the setting and designing of processing parameters in barrel finishing.

关键词

航空齿轮滚磨光整表面形貌残余应力显微硬度

Keywords

Aircraft gearBarrel finishingSurface morphologyResidual stressMicrohardness

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