A Study of Low-Frequency and High-Frequency Disc Brake Squeal

被引:0
作者
Lee, Seongjoo [1 ]
Jeon, JeSung [1 ]
Kim, ShinWook [1 ]
Kim, ShinWan [1 ]
Rhee, Seong [1 ]
Lee, Wan Gyu [2 ]
Cho, Young Sun [2 ]
Kim, Jeongkyu [3 ]
机构
[1] KB Autosys Co Ltd, Seoul, South Korea
[2] Hyundai Mobis, Seoul, South Korea
[3] HMC, Claremont, CA USA
来源
SAE INTERNATIONAL JOURNAL OF PASSENGER CARS-MECHANICAL SYSTEMS | 2016年 / 9卷 / 03期
关键词
D O I
10.4271/2016-01-1944
中图分类号
U [交通运输];
学科分类号
08 ; 0823 ;
摘要
When two identical brakes are simultaneously tested on a vehicle chassis dynamometer, very often the left hand brake is found to squeal more or less than the right hand brake, all at different frequencies. This study was performed to develop some understanding of this puzzling phenomenon. It is found that as the wear rate difference between the inner pad and the outer pad increases, low frequency (caliper and knuckle) squeals occur more and more, and as the differential wear becomes larger and larger, high frequency (disc) squeals occur less and less, finally disappearing all together. Discs and calipers are found to affect the differential pad wear, in turn affecting brake squeal generation.
引用
收藏
页码:1235 / 1244
页数:10
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