EXPERIMENTAL INVESTIGATION OF MONO LEAF SPRING TO BE USED AS A REPLACMENT FOR LIGHT WEIGHT AUTOMOBILE SPRING

Mechanical Engineering

The main use of Leaf springs is in suspension system to absorb shock loads in automobiles like light motor vehicles, heavy duty trucks and in rail systems. Leaf springs carries lateral loads, brake torque, driving torque in addition to shock absorbing. The benefit of leaf spring over helical spring is that the ends of the spring may be guided along a definite path as it deflects to act as a structural member in addition to energy absorbing device. The suspension leaf spring is one of the potential items for weight reduction in automobiles unsprang weight. The main aim of our project is to study and analyses the leaf spring of Bolero Vehicle which is made up of carbon fiber, epoxy glass and Kevlar material. The 3 D model of leaf spring was drawn with the help of CATIA software. The experimental testing was carried on UTM. The analysis was carried out with the help of ANSYS software. The comparative analysis was carried out between the Analytical and experimental results. After making the comparative analysis result and conclusion was drawn.Hand Lay-up technique was used to make a carbon epoxy leaf spring. A single carbon epoxy composite leaf spring is compared with EN45 steel leaf.

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