Non-Linear Finite Element Analysis of Rubber Bush for 2-Wheeler Rear Shock Absorber for Prediction of Fatigue Life
Keywords:
Rubber bush, the maximum principle strain, Non-linear FE analysis, Fatigue life, Endurance testAbstract
Suspension bushing is an important link in shock absorber and it must be stiff enough to maintain alignment of
suspension under loads. It is crucial for ride and handling characteristics and must be durable under highly
variable loading. Such elastometeric bushings exhibit non-linear behaviour depending upon excitation
frequency, amplitude and level of pre-load. Designing of Rubber bush is performed using suitable modelling
software and FEA analysis is performed to predict behaviour of component against load applied. The different
alternatives are suggested to get better model to satisfy endurance limit proposed by Gabriel India Ltd, Nashik.
To satisfy testing criterion of Rubber Bush necessary design changes and relevant experimentation validation
has carried out in GIL, Nashik Testing Lab.


