轮胎均匀性引发轮胎振动噪声的研究
2019-10-21熊冉
熊冉



摘 要:文章介绍了轮胎均匀性的产生原因、分类及评价方法。研究了轮胎均匀性对整车低频、中频和高频振动噪声的影响。结合轮胎的实际生产,详细分析了轮胎各生产工艺环节对轮胎均匀性的影响。运用相关理论,分析和解决了两个轮胎均匀性噪声的实际问题。
关键词:轮胎噪声;轮胎均匀性;轮胎生产
中图分类号:TQ366.1 文献标识码:A 文章编号:1671-7988(2019)23-97-04
Study on tire Vibration and Noise Caused by tire Uniformity
Xiong Ran
( Beijing Benz Automotive Co, Ltd., Beijing 100176 )
Abstract: This paper illustrates the root causes, classifications and evaluation methods for tire uniformity. The influences of tire uniformity on vehicle noise and vibration have been deeply studied, regarding low frequency, intermediate frequency and high frequency. Based on tire production, make detail analysis of Uniformity influencing factors for the whole production process. Applying the theory of this paper to successfully analyze and solve two tire noise problems caused by tire uniformity problem.
Keywords: Tire noise; Tire uniformity; Tire production
CLC NO.: TQ366.1 Document Code: A Article ID: 1671-7988(2019)23-97-04
引言
汽车噪声是交通噪声的主要载体,包括动力系统噪声、传动系统噪声、车身气动噪声和轮胎噪声等。轮胎振动噪声是车辆高速行驶噪声的主要成分,影响乘坐舒适性,引发环境噪声污染,近年来得到整车制造厂与轮胎企业越来越多的关注。轮胎静音性的研究是一个涉及车辆、轮胎及道路的综合性课题,具有较高的研究价值。
本文针对轮胎均匀性振动噪声展开了详细研究。对质量不均匀、刚度不均匀和尺寸不均匀三类典型的轮胎均匀性问题进行详细阐述,介绍了轮胎均匀性的评价指标,分析了轮胎均匀性对车辆振动的影响。详细研究了轮胎生产过程中对均匀性的控制要素。最后,结合两个实际案例,阐述了低阶谐波和高阶谐波轮胎振动噪声问题的分析过程和解决方法。
1 轮胎均匀性的定义
轮胎在制造过程中容易出现材料厚度或密度的不均匀、质量偏差、零部件外形尺寸误差、装配误差以及结构形状超差等现象,在轮胎高速旋转过程产生径向力、侧向力和切向力波动。……
