Abstract

A novel experimentally validated formulation is provided for the bearing friction torque component in threaded joints with spherical and conical contact geometry, by extending two-dimensional Motosh model for various scenarios of contact pressure. Data for the corresponding effective bearing friction radius is generated, using constant or sliding speed-dependent friction coefficient models. Generated bearing friction radius data is used in Motosh model for Torque-Tension test data to obtain the bearing friction coefficient, which is found to be reasonably comparable to published bearing friction data.

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