Effect of Deep Cryogenic Treatment Process on Deformation of Half Axle Gear After Heat Treatment

Sun Siyuan; Tang Jinyuan; Liu Yi

doi:10.16578/j.issn.1004.2539.2018.02.001

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Effect of Deep Cryogenic Treatment Process on Deformation of Half Axle Gear After Heat Treatment

更新时间：2022-10-20

- Effect of Deep Cryogenic Treatment Process on Deformation of Half Axle Gear After Heat Treatment
- Vol. 42, Issue 2, Pages: 1-5(2018)
- 作者机构：
  
  1. 中南大学机电工程学院
  2. 中南大学高性能复杂制造国家重点实验室
  3. 中南大学材料科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.02.001
  CLC：
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[1]孙思源,唐进元,刘溢.深冷处理工艺对半轴齿轮热处理变形的影响[J].机械传动,2018,42(02):1-5.

Sun Siyuan, Tang Jinyuan, Liu Yi. Effect of Deep Cryogenic Treatment Process on Deformation of Half Axle Gear After Heat Treatment. [J]. 42(2):1-5(2018)
[1]孙思源,唐进元,刘溢.深冷处理工艺对半轴齿轮热处理变形的影响[J].机械传动,2018,42(02):1-5. DOI： 10.16578/j.issn.1004.2539.2018.02.001.

Sun Siyuan, Tang Jinyuan, Liu Yi. Effect of Deep Cryogenic Treatment Process on Deformation of Half Axle Gear After Heat Treatment. [J]. 42(2):1-5(2018) DOI： 10.16578/j.issn.1004.2539.2018.02.001.

摘要

基于材料组织热动力学及热处理商用仿真软件,结合实际汽车半轴齿轮的热处理工艺,探讨深冷处理工艺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,利用DEFORM软件模拟了齿轮渗碳淬火及深冷处理工艺过程,利用JMATPRO软件建立20Cr Mn Ti半轴齿轮材料性能数据库,得到了齿轮渗碳淬火及深冷处理过程后齿轮变形信息。仿真结果表明,齿轮渗碳淬火后存在变形,径向变形影响使用性能,深冷处理后整体变形变形范围减小,但径向变形没有改变。

Abstract

Based on the material thermodynamics and heat treatment commercial simulation software,and taking the actual heat treatment process of the half axle gear of the automobile into account,the effect of deep cryogenic treatment on the deformation of the half axle gear is explored. Taking the 20CrMnTi half axle gear as the research object,by using the DEFORM software,the process of gear carburizing-quenching and deep cryogenic treatment is simulated,by using the JMATPRO software,the material performance database of 20CrMnTi half axle gear is established. The gear deformation information after gear carburizing-quenching and deep cryogenic treatment is obtained. The simulation results show that there is deformation after carburizing-quenching and the radial deformation affects the performance,that is,after the deep cryogenic treatment,the deformation range is reduced,while the radial deformation does not change.

关键词

DEFORM20CrMnTi半轴齿轮渗碳淬火深冷处理变形

Keywords

DEFORM20CrMnTiHalf axle gearCarburizing-quenchingDeep cryogenic treatmentDeformation

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