A Literature Review and Study on Design, Fabrication and Analysis of Tie Rods for Steering Mechanism

Abstract

Abstract: Tie rods or Track rods are an integral part of vehicle’s steering system. Just as its name suggests a Tie rod ties vehicle’s steering rack to the steering arm. It is used to give direction to tires according to steering wheel movement. A tie rod assembly is attached to each end of the relay rod. The tie rod assembly consists of inner and outer tie rods that are usually connected through an adjusting sleeve. Tie rod may get fail due to varying forces and bumping of vehicle during steering. The forces from the steering are also considered during the static condition of car. Fatigue and buckling of Tie rod has been continuously a concern which may lead to structural failure if the resulting vibration and stresses are undesirable and excessive. Even if the stresses are less than yield they may fail under repeated loading. Considering this problem research work is aimed to assess buckling strength and compare buckling performance of Tie rod for different materials. In this first according to the condition basic cad geometry is designed using cad software and finite element model generated using Hyper Mesh. And then modal, static and transient dynamic analyses to obtain natural frequencies, displacement, stresses distributions in tie rod. For safe design of tie rod corrective actions and considerable modifications carried out and to validate the modified design of tie rod finite element analysis carried out.