FIELD: electric machine engineering. SUBSTANCE: method comprises steps of subjecting commutator, had been heated and molded, to vibration action with the aid of a vibration exciter over a time period, being necessary for polymerization of an insulation of a housing. Vibration of all members of the commutator significantly decreases friction between microparticles of the insulation, and their redistribution is being occurred; that provides uniform distribution of mica in varnish fillers. Aging process is being accelerated. EFFECT: enhanced quality of commutators, being made. 1 cl, 1 dwg
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