Discussion on Assembly Process of External Rotor Permanent Magnet Motor
In order to address the issues of magnetic suction during the assembly process of external rotor permanent magnet motors(including EC,DC external rotor brushless DC motors,and permanent magnet synchronous motors)and bearing creep during motor operation,this paper analyzes the effects of axial magnetic pulling force and unilateral mag-netic pulling force.From a practical perspective,two types of design structural forms and corresponding assembly fix-tures for interference fit between shafts and bearings,as well as mass production implementation process methods,are proposed to provide useful ideas for improving the assembly reliability of external rotor permanent magnet motors.
external rotor permanent magnet motormagnetic interferencebearing creepinterference fit as-semblytolerance ringtooling process
万方数据
维普
