Abstract
Objectives: The present investigation aims to design a structural steel universal joint and analyze its behavior under coaxial compressive loading. Methods/Statistical Analysis: In the present investigation, CATIA V5 was used to design the Universal joint of a steering column, and its finite element analysis was carried out using ANSYS software. Structural steel and its properties were used for design as well as analysis purpose. In ANSYS, static structural analysis was carried out to determine the von-Mises stress, von-Mises strain and total structural deformation. Findings: The steering column is an integral section of an automobile for its stability and steady movement. A universal joint is typically employed to transmit the rotational energy of a steering column to a shaft inclined at a particular angle. In universal joints, two forked shaft are connected using a cross-shaped intermediate member. This section is very susceptible to shear deformation owing to torsion, and fatigue failure may occur due to its cyclic nature. After evaluation of nature and stress characteristics, it can be concluded that the universal joint made up of structural steel is safe below and at the applied load. Application/ Improvements: The collapsible steering column is an effective mechanism for safe and comfortable driving experience, especially in the all-terrain vehicle. For this purpose, the steering column components should be able to bear sudden compressive and tensile forces. Keywords: Finite Element Analysis, Universal Joint, ANSYS, CATIA
Highlights
The moving direction of the vehicle is controlled by the steering wheel
Universal joint fabricated from structural steel was utilized for the present investigation
We focused on the effect of axial compressive loading on the universal joint
Summary
The moving direction of the vehicle is controlled by the steering wheel. The directional accuracy and manoeuvre capability of an automobile are mainly reliant on how accurately steering response is communicated to wheels. Regardless of vehicle type, the steering mechanism consists of several parts like steering wheel, steering shaft, tie rods, steering arms etc. Universal joints are employed to distribute the steering response in a designated direction. Apart from automobile, universal joints are integral parts of aircraft control mechanisms, medical instruments etc[1]. The synchronous movement of the two shafts will have consistent speed. Bending moments affect the life of the universal joint system severely[2]. Inmost commonly used universal joint assembly, two forked shafts are connected using a cross-shaped intermediate component. It might fail by torsion induced deformation and fatigue
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