The Effects of Bushing Degradation on Vehicle High Mileage NVH Performance

960732

02/01/1996

Event
International Congress & Exposition
Authors Abstract
Content
High mileage NVH performance is one of the major concerns in vehicle design for long term customer satisfaction. Elastomeric components such as suspension bushings, engine mounts and tires function as vibration isolators in a vehicle. High mileage tends to cause the degradation of these components which in turn affects vehicle overall NVH performance. The present paper discusses the characteristics of bushing degradation based on laboratory bushing test data. Vehicle subjective evaluation and CAE modeling methods are used to develop a fundamental understanding of the effects of bushing degradation on vehicle NVH performance. The concept and analysis methodology are demonstrated using the front and rear suspension strut mounts and tire inputs which simulate road excitations but they are valid for other elastomeric components such as engine mounts and excitations. The knowledge derived in the study can be used as a generic guideline in designing vehicles for high mileage NVH robustness.
Meta TagsDetails
DOI
https://doi.org/10.4271/960732
Pages
16
Citation
Kuo, E., Li, D., and Loh, W., "The Effects of Bushing Degradation on Vehicle High Mileage NVH Performance," SAE Technical Paper 960732, 1996, https://doi.org/10.4271/960732.
Additional Details
Publisher
Published
Feb 1, 1996
Product Code
960732
Content Type
Technical Paper
Language
English