摩擦衬片包角对盘式制动器尖叫影响的仿真分析

张立军1,2,陈前银1,2,刁坤1,2,孟德建1,2,余卓平1,2

振动与冲击 ›› 2016, Vol. 35 ›› Issue (5) : 59-64.

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (5) : 59-64.
论文

摩擦衬片包角对盘式制动器尖叫影响的仿真分析

  • 张立军1,2,陈前银1,2,刁坤1,2,孟德建1,2,余卓平1,2
作者信息 +

Computational Analysis of Impact of Pad Lining Arc on Disc Brake Squeal

  • Zhang Lijun1,2, Chen Qianyin1,2, Diao Kun1,2, Meng Dejian1,2, Yu Zhuoping1,2
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文章历史 +

摘要

摩擦衬片包角对制动尖叫具有重要影响。针对某通风盘式制动器,建立有限元复模态模型并通过尖叫台架试验进行了正确性验证。基于该模型针对5种包角水平的摩擦衬片,通过仿真计算分析其对制动尖叫倾向性的影响,并从制动块自由模态特性、盘块间接触压力分布、不稳定模态频率及模态耦合特性角度解释了不同摩擦衬片包角对制动尖叫的影响机制。分析表明:摩擦衬片包角的改变会同时引起制动块结构特性变化和接触压力分布的变化,进而引起不稳定模态数量、频率和模态耦合特性的改变。

Abstract

Lining arc of brake pad play very important role in disc brake squeal. A finite element complex analysis model of a ventilated disc brake was established and validated through bench test of brake squeal. Based on this model, influence of lining arc on brake squeal trend was investigated by calculations to disc brakes with five lining arcs. At the same time, the influence mechanism was studies form the view point of natural characteristics of brake pad, pressured distribution between pad and disc, instable frequencies and modal coupling. It was shown that the structural characterization and pressure distribution variations due to lining arc variations can cause the difference of instable modes, as well as frequencies and mode shapes.

关键词

盘式制动器 / 摩擦衬片包角 / 制动尖叫 / 影响机制

Key words

disc brake / pad lining arc / brake squeal / influence mechanism

引用本文

导出引用
张立军1,2,陈前银1,2,刁坤1,2,孟德建1,2,余卓平1,2. 摩擦衬片包角对盘式制动器尖叫影响的仿真分析[J]. 振动与冲击, 2016, 35(5): 59-64
Zhang Lijun1,2, Chen Qianyin1,2, Diao Kun1,2, Meng Dejian1,2, Yu Zhuoping1,2. Computational Analysis of Impact of Pad Lining Arc on Disc Brake Squeal[J]. Journal of Vibration and Shock, 2016, 35(5): 59-64

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