| 摘要 |
<p>A motor rotor (10) comprises a rotor inner aperture (15) provided in the center of the rotor. The rotor inner aperture (15) is used to be jointed to a rotor shaft, and is provided with a recess (151) and a project (152) around its periphery. The project (152) has a surface forming an interference fit with the rotor shaft. The rotor inner aperture (15) is designed to combine the project (152) and the recess (151), and the project (152) of the rotor inner aperture (152) forms an interference fit with the rotor shaft when the rotor inner aperture is assembled to the rotor shaft, so that the deformation generated by the interference fit process of the rotor shaft and the rotor inner aperture (15) is absorbed by the recess (151), thereby avoiding further deformation and ensuring stability of the whole rotor core.</p> |
