通过阻尼降噪方式改善盘式制动器尖叫的研究  

Improvement for squeal noise of disc brake with damping shim

作　　者：李碧军 戴锐 钱益明 徐可新 吴伟胜 LI Bi-jun;DAI Rui;QIAN Yi-min;XU Ke-xin;Wu Wei-sheng(Dongfeng Nissan Passenger Vehicle Company Technical Center,Guangzhou510800,China)

机构地区：[1]东风日产乘用车公司技术中心,广州510800

出　　处：《汽车科技》2018年第3期78-82,共5页Auto Sci-Tech

摘　　要：本文结合制动尖叫的发生机理,通过阻尼减振降噪理论,对比两种不同损失因子的粘弹阻尼消音片,发现了不同损失因子的粘弹阻尼消音片能够改变系统的不稳定系数,从而影响制动器尖叫结果。通过台架试验和实车试验表明,该方法能够有效盘式制动器的抑制制动尖叫。Base on brake squeal noise mechanization, considering damping shim reduce noise theory, compare two viscoelastic damping shims with different loss factor, the system the instability coefficient changed with different loss factor viscoelastic damping shim, so the squeal noise results are different. After bench test and actual vehicle test validation, this method can improve disc brake squeal noise.

关 键 词：制动尖叫 盘式制动器 粘弹阻尼消音片 不稳定系数 

分 类 号：U463.51[机械工程—车辆工程]