FIELD: manufacture of compressors. SUBSTANCE: one rotor is manufactured by machining the blank of required height of surface roughness at level of roughing and reduction of geometric sizes to 2 mm; side surface of above-mentioned rotor, end surfaces of both rotors (on side of delivery end) and cylindrical surfaces of housing are degreased, dried after jet-abrasive treatment and heating and then sealing coat made of thermal reactant composite powder and composite powder, type "metal-solid lubricant" is applied on the above- mentioned surfaces, layer by layer by plasma method followed by roll-on; coat is preliminarily impregnated with oil or polymer material. EFFECT: enhanced reliability. 1 dwg
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