Simulation Study on the Effect of Pre-cooling Quenching Process on Deformation of Half Axle Gear After Heat Treatment

Sun Siyuan; Tang Jinyuan; Tang Yalin; Liao Xianggui

doi:10.16578/j.issn.1004.2539.2018.05.001

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Simulation Study on the Effect of Pre-cooling Quenching Process on Deformation of Half Axle Gear After Heat Treatment

更新时间：2022-10-20

- Simulation Study on the Effect of Pre-cooling Quenching Process on Deformation of Half Axle Gear After Heat Treatment
- Vol. 42, Issue 5, Pages: 1-7(2018)
- 作者机构：
  
  1. 中南大学高性能复杂制造国家重点实验室
  2. 中国航发中传机械有限公司
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.05.001
  CLC：
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[1]孙思源,唐进元,汤亚林,廖祥贵.预冷淬火工艺对半轴齿轮热处理变形影响的仿真研究[J].机械传动,2018,42(05):1-7.

Sun Siyuan, Tang Jinyuan, Tang Yalin, et al. Simulation Study on the Effect of Pre-cooling Quenching Process on Deformation of Half Axle Gear After Heat Treatment. [J]. 42(5):1-7(2018)
[1]孙思源,唐进元,汤亚林,廖祥贵.预冷淬火工艺对半轴齿轮热处理变形影响的仿真研究[J].机械传动,2018,42(05):1-7. DOI： 10.16578/j.issn.1004.2539.2018.05.001.

Sun Siyuan, Tang Jinyuan, Tang Yalin, et al. Simulation Study on the Effect of Pre-cooling Quenching Process on Deformation of Half Axle Gear After Heat Treatment. [J]. 42(5):1-7(2018) DOI： 10.16578/j.issn.1004.2539.2018.05.001.

摘要

基于材料组织热动力学及热处理商用仿真软件,结合某企业汽车半轴齿轮热处理工艺,探讨预冷淬火工艺参数对半轴齿轮热处理变形的影响。以20Cr Mn Ti半轴齿轮为研究对象,通过JMat Pro软件建立20Cr Mn Ti半轴齿轮材料性能数据库,使用DEFORM软件计算出齿轮渗碳淬火及预冷淬火工艺参数与半轴齿轮渗碳淬火后变形量之间的定量关系。研究表明,优选齿轮经渗碳淬火与预冷淬火工艺参数可合理控制半轴齿轮的整体变形范围及最大变形值;对于所研究的半轴齿轮,轴孔整体热处理变形锥度可减小12.9%,齿端与轴端锥度可减小12.5%;DEFORM软件是优化热处理工艺、控制热处理变形的优良工具。

Abstract

Based on the material thermodynamics and heat treatment commercial simulation software,and taking the heat treatment process of the half axle gear of the automobile in a certain enterprise into account,the effect of pre-cooling quenching process on the deformation of the half axle gear is explored. The research takes20 Cr Mn Ti half axle gear as the research object,making use of JMat Pro software to establish the performance database of 20 Cr Mn Ti half axle gear and as well as DEFORM software to calculate the quantitative relationship between the process parameters of gear carburizing-quenching and pre-cooling quenching and the deformation after carburizing-quenching of the half axle gear. The study shows that,the overall deformation range of the side gear and the maximum deformation value can be reasonably controlled by selecting the optimized process parameters of gear carburizing-quenching and pre-cooling quenching. As for the half axle gear which studied,the taper of the deformation of the overall shaft hole after heat treatment can be reduced by 12. 9%,and the taper between the tooth end and the shaft end can be reduced by 12. 5%. The DEFORM software is an excellent tool for optimizing the heat treatment process and controlling the heat treatment deformation.

关键词

DEFORM软件20CrMnTi半轴齿轮渗碳淬火预冷淬火变形

Keywords

DEFORM software20CrMnTi half axle gearCarburizing-quenchingPre-cooling quenchingDeformation

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