Abstract
In this paper, an effort has been put to analyze the rolling ball bearing using finite element analysis the contact pressure level, stress or displacement behavior of rolling ball bearing. The obtained results were then compared with the analytical results obtained through the methodology of Hertz theory, which means composition and solution of analytical formulas and equations based on specific ball bearing parameters in order achieve optimal results to demonstrate an almost identical similarity of results of numerical and analytical solution and correct setting up of the given simulation in computational software ANSYS Workbench.
Highlights
IntroductionRolling bearings are among the most important components of conveyor belts, working machines or various rotary mechanical applications and, the trend of increasing demands in terms of their production, accuracy, load-bearing capacity and reliability is increasing
Rolling bearings are among the most important components of conveyor belts, working machines or various rotary mechanical applications and, the trend of increasing demands in terms of their production, accuracy, load-bearing capacity and reliability is increasing.Their application lies in all branches of industry, from the production of heavy duty machinery in mining and stamping, in all modes of transport or in automotive or aviation, to the application of miniature bearings to high speed dental drills.First of all, who drew and invented the ball-bearings was Leonardo da Vinci around the year 1500
Analytical solution of ball bearing contact pressure depends on parameters shown in Tab. 1: Table 1
Summary
Rolling bearings are among the most important components of conveyor belts, working machines or various rotary mechanical applications and, the trend of increasing demands in terms of their production, accuracy, load-bearing capacity and reliability is increasing. Rolling bearings allow for the transfer of forces between the moving and fixed parts of the mechanical system and are designed to minimize friction arising from power and energy transfer Due to their multiple use, increasing emphasis is placed on their development and improvement, because in many cases the bearings do not provide the required durability according to the calculation values. Contact area gradually becomes ellipse, and generates residual stress The contact parameters, such as the place, size, shape of contact area, as well as the contact pressure and friction force distribution, will be variable with the loads changing. External load was defined for value IF= 10,000 N according to the empirical formula (Eq 2), which depends on constructional and physical properties of specific vehicle, wheel drive and rolling ball bearing (see Fig. 3). Analytical solution of ball bearing contact pressure depends on parameters shown in Tab. 1:
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