THE EFFECTS OF SURFACE IRREGULARITIES ON ROLLER BEARING VIBRATIONS

被引：72
|
作者：
SU, YT
LIN, MH
LEE, MS
机构：
[1] Institute of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung
来源：
JOURNAL OF SOUND AND VIBRATION | 1993年 / 165卷 / 03期
关键词：
D O I：
10.1006/jsvi.1993.1270
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A mathematical model is proposed to illustrate the frequency characteristics of roller bearing vibrations due to surface irregularities which come from manufacturing errors. The bearing vibration is modeled as the system output when it is subjected to the excitations from surface waviness and surface roughness through the lubricating film. It is shown that the vibration spectrum of a normal bearing under a preloaded condition has a pattern of equal frequency spacing distribution (EFSD) which is similar to that of a defective bearing. Consequently, the application of frequency analysis, such as the high frequency resonance technique, on bearing monitoring should be undertaken with great care. © 1993 Academic Press Limited.
引用
收藏
页码：455 / 466
页数：12
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