Polymer composite squirrel cage rotor with high magnetic permeability filler for induction motor and method of making it유도 모터용 고 자기 투과성 충전재를 가진 폴리머 복합 다람쥐 케이지 로터 및 그것의 제조 방법
Disclosed herein is, a composite squirrel cage rotor having a polymer resin part containing powder of high magnetic permeability and method for fabricating it. The composite squirrel cage rotor includes a rotating shaft, an inner core, a polymer resin part that fills the cavity of the squirrel cage conductor and contains powder of high magnetic permeability. A squirrel cage conductor is positioned outer to portion of the polymer resin part, is formed of, material having high electric conductivity, and provided with a plurality of axial slots.