Sensitivity of Structural Parameters of Ventilated Brake Disc to Brake Jitters

被引：0
|
作者：
Long J. [1 ]
Lin J. [1 ]
Chen X. [2 ]
Wang Z. [2 ]
机构：
[1] College of Mechanical and Electrical Engineering, Wenzhou University, Wenzhou
[2] Zhejiang Libang Hexin Intelligent Brake System Co., Ltd., Wenzhou
来源：
Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2020年 / 31卷 / 24期
关键词：
Brake jitter; Orthogonal experimental design; Thermal deformation; Ventilated brake disc;
D O I：
10.3969/j.issn.1004-132X.2020.24.010
中图分类号：
学科分类号：
摘要：
For the brake jitters of a ventilated brake disc, the orthogonal experimental design method was used to obtain the optimal horizontal combination of the structural parameters of the ventilated brake disc. The finite element method was used to simulate 15 cycles of braking. By analyzing the differences of thermal deformations between the front and rear brake discs before and after optimization, the sensitivity of each structural parameter to the thermal deformations of the brake disc was obtained. Then bench-test was carried out to verify the results of simulation. The results show that the sensitivity of the structural parameters of the ventilated brake disc to the brake jitters from high to low are as follows: thickness, cap height, angle of the neck, outer diameter of brake disc, inner diameter of brake disc, radius of the neck.The increasing of thickness cap height and angle of the neck induces the increasing of brake jitters, while the outer diameter of brake disc and inner diameter of brake disc increase, the brake jitter decreases. © 2020, China Mechanical Engineering Magazine Office. All right reserved.
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页码：2966 / 2971
页数：5
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