International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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FEA Analysis of Helical Spring in Suspension System

Harsha Dharpure, Dr. S. P. Trikal

Abstract :

In vehicles, the problem happens while driving on bumping road conditions. The objective of this paper is to design and analyze the performance of the suspension system by varying the wire diameter of the coil spring. The Suspension system is designed mechanically to handle shock impulses and dissipate kinetic energy. It reduces the amplitude of disturbances leading to an increase in comfort and improved ride quality. The spring is compressed quickly when the wheel strikes the bump. The compressed spring rebounds to its normal dimension or normal loaded length which causes the body to be lifted. The spring goes down below its normal height when the weight of the vehicle pushes the spring down. This, in turn, causes the spring to rebound again. The spring bouncing process occurs over and over every less each time until the up-and-down movement finally stops. The vehicle handling becomes very difficult and leads to an uncomfortable ride when bouncing is allowed uncontrolled. Hence, the design of spring in a suspension system is very crucial. The analysis is done by considering bike mass, loads, and no of persons seated on the bike. Comparison is done by varying the wire diameter of the coil spring to verify the best dimension for the spring in the shock absorber. Modeling and Analysis is done using CREO and ANSYS respectively.

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