METHOD FOR MANUFACTURING IMPELLER

摘要

An impeller in which a plurality of blades are provided in an overlapping arrangement to the front and rear when viewed from the axial direction comprises a near-side first impeller component and a far-side second impeller component. A method for manufacturing the impeller comprises a step for moulding the first impeller component, a step for moulding the second impeller component, and a step for combining the first impeller component and the second impeller component.