Study on bearing stiffness characteristics with residual stress in carburized layer

被引：1
作者：
Liang, Junshuai [1 ,2 ]
Li, Ning [1 ,2 ]
Zhai, Jingyu [1 ,2 ]
Wen, BaoGang [3 ]
Han, Qingkai [1 ,2 ]
Yu, Changxin [4 ]
机构：
[1] Dalian Univ Technol, Sch Mech Engn, Dalian 116024, Peoples R China
[2] Collaborat Innovat Ctr Major Machine Mfg Liaoning, Dalian, Peoples R China
[3] Dalian Polytech Univ, Sch Mech Engn & Automat, Dalian, Peoples R China
[4] Wafangdian Bearing Grp Corp, Wafangdian, Peoples R China
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2021年 / 235卷 / 17期
基金：
国家重点研发计划;
关键词：
Layering method of carburized ring; contact stiffness; overall bearing stiffness; residual stress test; residual stress distribution; ROLLING-CONTACT FATIGUE; BALL; PARAMETERS; SYSTEM; GEARS;
D O I：
10.1177/0954406220960793
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this study, a layering method of carburized ring is presented. A finite element (FE) model for analyzing bearing stiffness characteristics is established considering the residual stress in the carburized layer. The residual stress in the carburized layer of a double-row conical roller bearing is tested and the influence of the distribution of residual stress in carburized layer on the bearing stiffness is investigated. Results show that the residual stress in the carburized layer increases the contact stiffness of the bearing by 5% in the low-load zone and 3% in the high-load zone. The radial stiffness of the bearing is increased by 5% in the low-load zone and 3% in the high-load zone. The axial stiffness is increased by 6%, and the angular stiffness increased by 4%. The larger the thickness of the carburized layer, the greater the residual compressive stress in the carburized layer, the deeper the position of the maximum residual stresses in the carburized layer will lead to the greater stiffness of the bearing.
引用
收藏
页码：3352 / 3364
页数：13
相关论文
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