Research of Superimposed Carburizing Heat Treatment Process for Aviation Gear Material 16Cr3NiWMoVNbE

Rongchun Qiu; Kui Chen; Yi Wen; Junqiong Huang

doi:10.16578/j.issn.1004.2539.2020.08.029

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Research of Superimposed Carburizing Heat Treatment Process for Aviation Gear Material 16Cr3NiWMoVNbE

Development·Application | 更新时间：2022-11-10

- Research of Superimposed Carburizing Heat Treatment Process for Aviation Gear Material 16Cr3NiWMoVNbE
- Journal of Mechanical Transmission Vol. 44, Issue 8, Pages: 165-170(2020)
- 作者机构：
  
  1.湖南南方宇航高精传动有限公司，湖南株洲 412000
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2020.08.029
  CLC：
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邱荣春,陈葵,文毅等.航空齿轮材料16Cr3NiWMoVNbE二次叠加渗碳热处理工艺研究[J].机械传动,2020,44(08):165-170.

Qiu Rongchun Chen Kui Wen Yi Huang Junqiong.Research of Superimposed Carburizing Heat Treatment Process for Aviation Gear Material 16Cr3NiWMoVNbE[J].Journal of Mechanical Transmission,2020,44(08):165-170.
邱荣春,陈葵,文毅等.航空齿轮材料16Cr3NiWMoVNbE二次叠加渗碳热处理工艺研究[J].机械传动,2020,44(08):165-170. DOI： 10.16578/j.issn.1004.2539.2020.08.029.

Qiu Rongchun Chen Kui Wen Yi Huang Junqiong.Research of Superimposed Carburizing Heat Treatment Process for Aviation Gear Material 16Cr3NiWMoVNbE[J].Journal of Mechanical Transmission,2020,44(08):165-170. DOI： 10.16578/j.issn.1004.2539.2020.08.029.

摘要

渗碳淬火热处理工艺是提高机械零件表面质量的关键，为提高材料为16Cr3NiWMoVNbE的行星齿轮表面质量，经分析，先采取渗碳后高温回火、淬火后进行冷处理的工艺方法，使产品渗碳淬火后表面硬度达到60 HRC以上；在二次叠加渗碳的层深不可控过程中，采取在,A,c,3,以上温度阶段斜率升、降温的工艺方法，使渗碳层深得到准确控制；最后，通过工艺试验加以验证，开发了行星齿轮齿面与内孔表面渗碳层深不一致的叠加渗碳热处理工艺，使航空齿轮材料16Cr3NiWMoVNbE优良的综合性能得到了充分发挥。

Abstract

Carburizing and quenching heat treatment process is the key to improve the surface quality of mechanical parts. In order to improve the surface quality of the planetary gear made of 16Cr3NiWMoVNbE， after analysis， take the carburizing after high temperature tempering， quenching after cold treatment process， so that the surface hardness of the product reach above 60 HRC after carburizing quenching. In the process of uncontrollable layer depth of secondary superimposed carburizing， the process control method of slope rise and temperature drop is adopted in the temperature stage above ,A,c,3,， the depth of carburizing layer is controlled accurately. Finally， the process test is carried out to verify it. Thus， the superimposed carburizing heat treatment process with different carburizing layer depth between the tooth surface of planetary gear and the surface of inner hole is developed. The excellent comprehensive performance of 16Cr3NiWMoVNbE aviation gear material is obtained make full use of.

关键词

航空齿轮材料热处理冷处理叠加渗碳

Keywords

Aviation gear materialHeat treatmentCold processingSuperposition carburizing

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