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Influence of Operating Parameters and Rib Convexity on Friction Torque of Taper Roller Bearings

International Journal of Mechanical Engineering
© 2024 by SSRG - IJME Journal
Volume 11 Issue 11
Year of Publication : 2024
Authors : Amisha B. Khant, Jaydeep K. Dadhaniya
10.14445/23488360/IJME-V11I11P104
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How to Cite?

Amisha B. Khant, Jaydeep K. Dadhaniya, "Influence of Operating Parameters and Rib Convexity on Friction Torque of Taper Roller Bearings," SSRG International Journal of Mechanical Engineering, vol. 11,  no. 11, pp. 34-46, 2024. Crossref, https://doi.org/10.14445/23488360/IJME-V11I11P104

Abstract:

In the context of minimizing the bearing power loss and improving the performance of Tapered Roller Bearings (TRBs), accurate estimation of friction torque is necessary. At high axial load, the Friction Torque (FT) in TRBs increases rapidly, leading to significant power loss and heat generation within the bearings, which raises the bearing Temperature (BT). This paper investigates the effect of three parameters, inner raceway rib convexity, pure axial load and Bearing rotating speed on FT and BT of TRBs. Experiments are conducted on friction torque test rig using L27 full factorial DOE with rib convexity (0,3,6 μ), axial load (2000, 4000, 6000 kgf), speed (400, 500, 600 rpm). Based on the experimental work, a regression model with an accuracy of 98.87% and 99.36% for FT and BT, respectively, is developed using Minitab19. Analysis of Variance (ANOVA) and regression analysis is used to check the model adequacy. The Desirability Function Approach (DFA) is adopted to optimize multiple responses simultaneously. Conformation experimentation has been done to validate the work.

Keywords:

Analysis of Variance, Friction Torque, L27 Full Factorial Design, Rib Convexity, Tapered Roller Bearings.

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