FIELD: restoration of worn inner and outer surfaces of parts, possibly of openings for mounting bearing units, of races of roll bearing units, valve discs, plunger sleeves, spline shafts and other parts. SUBSTANCE: method comprises steps of shock action of die sets upon part and creating in part necessary stress-deformed state providing directional motion of metal to worn surface. EFFECT: enlarged assortment of worn parts. 2 cl, 5 dwg
