DUCT SPACER WHICH LENGTHENS LIFETIME OF MACHNICAL ELEMENT AND RECUCES ACCIDENT RATE AND THE METHOD FOR MANUFACTURING DIE CAST ROTOR USING THE SAME

摘要

PURPOSE: A duct spacer and a method for manufacturing die cast rotor using the same are provided to maximize the cooling of rotor and drive a vehicle with reduced secondary side resistance at low temperature.;CONSTITUTION: A method for manufacturing a die cast (100) for forming a cooling path to the circumference direction comprises: a step of laminating iron core (4) on a die casting mold and duct spacer in a specific interval; a step of molding pin (2), pan blade (3) and upper and lower endring (1,6); a step of preparing a molten metal; a step of separating die cast rotor between die casting molds; and a step of removing duct spacer between the rotor and iron core.;COPYRIGHT KIPO 2010