Electromechanical modeling by DEM for assessing internal ball bearing loading

被引：22

作者：

Machado, C. ^{[1
]}

Guessasma, M. ^{[1
]}

Bellenger, E. ^{[1
]}

机构：

[1] IUT Aisne UPJV, Lab Technol Innovantes, EA 3899, F-02100 St Quentin en Yvelines, France

来源：

MECHANISM AND MACHINE THEORY | 2015年 / 92卷

关键词：

Bearing; DEM; Mechanical load; Electrical measurement; CLEARANCE; VIBRATION; SYSTEMS; FAULTS;

D O I：

10.1016/j.mechmachtheory.2015.04.014

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A numerical approach makes electrical measurements in a rotating ball bearing, in order to characterize the loading state of the bearing and to detect any defects. The ball bearing is modeled by discrete elements with a smoothed formulation of the local contact law. Contact forces are calculated using analogies with damped springs. Loads in accordance with the practice case are applied to the bearing. The electrical resistance of the contact is evaluated in an electromechanical model using Hertz's surfaces. The results show a link between the mechanical state of the bearing and the electrical measurement. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：338 / 355

页数：18

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