Stress and Microstructure Analysis of Parabolic Spring for Automotive Application

Chang, Jer Lui (2011) Stress and Microstructure Analysis of Parabolic Spring for Automotive Application. Final Year Project (Other), Tunku Abdul Rahman University College.

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Abstract

In this era's competitive marketplace, manufacturing industries are embroiled in a world where competition is intense and push for progress is inevitable. This is no different for the automotive parts industry, namely the automotive spring industry. Consumers now demand economic pricing, higher quality and added advantages. To stay ahead, companies now have to constantly improve and innovate. This dissertation focuses mainly on identifying the flaws of a parabolic spring and aims to correct these issues. This process involves redesigning the spring profile and using stress analysis to determine the viability of the new concept. At the same time, further added advantages are added such as space saving and weight reduction. Strain gages are used to obtain the stress distribution of the springs before proceeding with the analysis. Fatigue testing machines was utilized to compare the life cycles of the springs. There is hope that this concept could be continued and improved by future engineers who wish to do so. By improving a suspension component, we can enhance safety of the vehicle and its passengers. Loss of lives and property can be avoided with better functioning springs in the world.