FIELD: machine building.
SUBSTANCE: procedure includes the pre-treatment of a blank with the assurance of the macrogeometry of its surface, and the further formation on it of an oil-retaining relief, that is formed at a NC machine by the application by the spherical cutter of mutually perpendicular grooves with parameters ensuring the lubricating film thickness of at least 5 micron per unit of the area of the treated surface.
EFFECT: optimal uniform oil-retaining surface over the full plane of the part.
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