FIELD: mechanical engineering. SUBSTANCE: proposed process of reclamation of pig iron cylinder liners of engines includes uninterrupted-sequential induction heating and water cooling. In this case volume of liner is heated in advance to 500-600 C by single passage of inductor, then liner is heated to temperature of 760-790 C by single passage of inductor along axis in backward direction with subsequent continuous cooling by water shower to temperature of 40-50 C with maintenance of distance of 10-20 mm between inductor and sprayer. Heating is stopped before inductor is 15-20 mm away from upper face of liner, liner is turned through 180 deg and its upper part is additionally heated at distance of 15-20 mm from face to temperature 760-790 C with subsequent continuous cooling by water shower to temperature of 40-50 C. Then volumetric heating of cylinder liner to temperature of 340-400 C is conducted with subsequent cooling in air. EFFECT: raised quality of reclaimed cylinder liners thanks to uniform deformation and liquidation of microcracks in pig iron. 5 dwg, 1 tbl
