Motor with rotor shaft consisting of different materials

The utility model discloses a motor with a rotor shaft consisting of different materials. The motor comprises a shell as well as a rotor and a stator in the shell, wherein the rotor shaft of the rotor comprises a rear shaft and a front shaft; the rear shaft penetrates through the front end of the rotor from the rear end of the rotor; the front end of the front shaft extends out of the shell, and the rear end of the front shaft is connected with the front end of the rear shaft; the joint between the rear end of the front shaft and the front end of the rear shaft is arranged on the front side of the front end surface of the rotor and is close to the front end surface; the rear shaft is a steel shaft, and the front shaft is a stainless steel shaft. The motor is simple in structure and convenient to use; the rotor shaft comprises the rear shaft and the front shaft; the rear shaft can be kept good in electromagnetic performance, and the front shaft can be prevented from being corroded and rusted, so that the probl