渗碳前预热处理对17CrNiMo6钢制齿轮轴畸变的影响

doi:10.13251/j.issn.0254-6051.2022.03.022

金属热处理 ›› 2022, Vol. 47 ›› Issue (3): 113-118.DOI: 10.13251/j.issn.0254-6051.2022.03.022

渗碳前预热处理对17CrNiMo6钢制齿轮轴畸变的影响

方秀荣¹, 刘留¹, 徐慧慧¹, 高扬²

1.西安科技大学机械工程学院, 陕西西安 710054;
2.中车戚墅堰机车有限公司, 江苏常州 213011

收稿日期:2021-10-28 修回日期:2022-01-07 出版日期:2022-03-25 发布日期:2022-04-22
作者简介:方秀荣(1971—),女,教授,博士,主要研究方向为机械设计制造、结构完整性分析、计算机辅助工程等,E-mail:fangxr098@163.com
基金资助:
国家自然科学基金(51775427)

Effect of pre-heat treatment before carburizing on distortion of gear shaft made of 17CrNiMo6 steel

Fang Xiurong¹, Liu Liu¹, Xu Huihui¹, Gao Yang²

1. School of Mechanical Engineering, Xi'an University of Science and Technology, Xi'an Shaanxi 710054, China;
2. CRRC Qishuyan Institute Co., Ltd., Changzhou Jiangsu 213011, China

Received:2021-10-28 Revised:2022-01-07 Online:2022-03-25 Published:2022-04-22

摘要/Abstract

摘要： 以17CrNiMo6钢制齿轮轴为研究对象,用有限元软件对齿轮轴的渗碳预热和直接渗碳过程进行了定量分析,确定了影响畸变的主要预热工艺参数,并对这两种过程中的温度场和应力场进行了对比分析,研究预热处理对齿轮轴热处理畸变的影响。结果表明,在渗碳前进行400 ℃保温3 h的预热处理,能够有效减小齿轮轴热处理畸变。

关键词: 17CrNiMo6钢, 齿轮轴, 预热处理, 热应力, 热处理畸变

Abstract: Taking 17CrNiMo6 steel gear shaft as the research object, carburizing with pre-heat and direct carburizing processes of the gear shaft were quantitatively analyzed by finite element software, and the main pre-heat process parameters affecting the heat treatment distortion of the gear shaft were determined. The temperature field and stress field in the two processes were compared and analyzed, and the effect of pre-heat treatment on the heat treatment distortion of gear shaft was studied. The results show that pre-heat treatment at 400 ℃ for 3 h before carburizing can effectively reduce the heat treatment distortion of the gear shaft.

Key words: 17CrNiMo6 steel, gear shaft, pre-heat treatment, thermal stress, heat treatment distortion

中图分类号:

TG162.71

方秀荣, 刘留, 徐慧慧, 高扬. 渗碳前预热处理对17CrNiMo6钢制齿轮轴畸变的影响[J]. 金属热处理, 2022, 47(3): 113-118.

Fang Xiurong, Liu Liu, Xu Huihui, Gao Yang. Effect of pre-heat treatment before carburizing on distortion of gear shaft made of 17CrNiMo6 steel[J]. Heat Treatment of Metals, 2022, 47(3): 113-118.

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渗碳前预热处理对17CrNiMo6钢制齿轮轴畸变的影响

Effect of pre-heat treatment before carburizing on distortion of gear shaft made of 17CrNiMo6 steel

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