METHOD OF MANUFACTURING ROTOR ASSEMBLY, ROTOR ASSEMBLY, AND TURBO COMPRESSOR

摘要

A method of manufacturing a rotor assembly in which a first impeller and a second impeller are fixed to a rotation shaft which is supported by a bearing so as to be rotatable, the method including: fixing the second impeller to the rotation shaft; fitting and fixing a sleeve to the rotation shaft after fixing the second impeller; fitting and fixing the bearing to the sleeve after fitting and fixing the sleeve; and fixing the first impeller after fitting and fixing the bearing.