Abstract
The possibility of obtaining the wedge coupling effect in the contact of smooth cylindrical surfaces is considered in the article. Theoretical dependences are obtained to determine the magnitude of the reduced friction coefficient, realized in coupling of unrun and run-in cylindrical surfaces. The correctness of choice of the pressure law on cylindrical surfaces and the proposed theoretical dependencies is experimentally confirmed. Empirical values of the reduced friction coefficient for a “steel-steel” friction pair under oil lubrication conditions are obtained. It is shown that the value of the reduced friction coefficient in the proposed type of coupling of cylindrical surfaces increases 2.6…5.7 times in comparison with the actual friction coefficient.
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