Investigation on clinching assembly process of automobile wheel hub bearings

被引：2

作者：

Li, Wei ^{[1
]}

Chen, Qidi ^{[1
]}

Yang, Yunsong ^{[1
]}

Xiao, Yunya ^{[1
,2
]}

Li, Maojun ^{[1
]}

机构：

[1] Hunan Univ, Coll Mech & Vehicle Engn, Changsha, Peoples R China

[2] Shaoguan Univ, Sch Phys & Mech & Elect Engn, Shaoguan 512005, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING | 2021年 / 235卷 / 08期

基金：

美国国家科学基金会;

关键词：

Wheel hub bearing; clinching assembly; working clearance; rotary forging; microstructure evolution; COLD; DEFORMATION; COMPONENT; DESIGN;

D O I：

10.1177/0954407020987912

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, a precise and high-efficient clinching assembly strategy was proposed to improve the automobile wheel hub bearing's reliability of service quality consistency. The structure of the wheel hub bearing was first improved to enable the requirement of axial working clearance. During assembly, the accuracy of each bearing was monitored online via micro-laser sensor to achieve precise and consistent axial working clearance. The effect of processing parameters were analyzed via simulation analysis. According to simulation results, it only cost 2.35 s to complete assembly process and the optimal clamping force of 38.8 kN was generated. The prototype bearings were manufactured and exhibited a reliable service life of more than 250,000 km, which verified the reasonability of the proposed clinching assembly strategy. Additionally, the assembly mechanism was further analyzed. The ferrite in the clinched hub shaft end was gradually lengthened and the cementite aggregation was improved.

引用

页码：2114 / 2123

页数：10

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