FACTORS AFFECTING SURFACE QUALITY AND WEAR RESISTANCE IN HIGH-PRECISION PARTS OF SHIP MACHINERY AND MECHANISMS

Abstract

This study examines the influence of technological processing methods on the wear resistance and surface quality of machine parts operating under extreme conditions. Particular attention is given to the role of surface roughness, micro- and macro-geometry, and the structural state of the surface layer in determining friction and wear behavior. The analysis shows that wear mechanisms are complex and evolve under varying loads, speeds, and temperatures, involving both plastic deformation and localized melting. It is established that machining methods significantly affect the formation of surface characteristics, which in turn influence durability and performance. The running-in process leads to the development of an equilibrium surface state, reducing contact stresses and stabilizing friction. The findings highlight that optimizing technological parameters and surface properties is essential for improving wear resistance, extending service life, and ensuring reliable operation of mechanical systems.

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