Abstract
This study aimed to determine the wear intensity of the bearing mating with the ball stud in the tie rod end. The course of the vehicle driving during the period between repairs of the steering assembly was assumed. The modelled scheme of cornering was assumed to be close to the real one. The model of steering mechanism allowing determination of the load of the stud of the tie rod end as a function of the steering angle was elaborated and presented. The model of the ball stud was realized and described. The values of wear intensity for components were calculated and presented.
Highlights
A vehicle suspension is defined as a group of elastic elements and rods connecting the axes or the individual wheels of a car with a frame or directly with a vehicle body
For the POM bearing of the stud, the wear intensity factor k was equal to 1.38·10–19 m4·N–2 and corresponded to the linear wear intensity Ih equal to 5.9·10–9
The linear wear intensity Ih for the POM bearing can vary in a wide range depending on the contact pressure, sliding speed, temperature, humidity, and the operating and lubricating conditions for the tie rod end assembly
Summary
A vehicle suspension is defined as a group of elastic elements and rods connecting the axes or the individual wheels of a car with a frame or directly with a vehicle body. The purpose of suspension is to diminish shocks coming from road unevenness, assuring maximum comfort and protection of transported objects against shocks and harmful vibrations. Securing the vehicle from too strong shocks has a significant influence on the durability of various mechanisms. One of the main components of the vehicle suspension is a tie rod end. The task of the tie rod end is to enable the wheels to turn while maintaining the vehicle in the straight line. Mondragon-Parra et al [1] asserted that the driveline and chassis components account for about 2 % of the total mechanical losses in passenger vehicles
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