FIELD: modification and restoration of metal surfaces of friction units of machine elements whose operation requires high tribotecynical properties.
SUBSTANCE: proposed method consists in grinding crysotile-asbestos in vortex mill at delivery of air to its lower portion at pressure of 2-4 atm followed by continuous successive dividing of powder thus obtained into three fractions: 8-15 mcm, 5-10 mcm and 2-5 mcm. Fractions thus obtained are mixed with organic binder at ratio of 0.1-0.2 g of powder per 5 ml of binder. Mixture thus prepared is placed in between friction surfaces and surfaces of parts are saturated under standard operating conditions with one of mixtures thus obtained depending on clearance between parts.
EFFECT: enhanced economical efficiency; improved properties of friction unit surfaces due to absence of abrasive-like solid particles in modifying compound.
10 cl, 1 dwg
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