| 摘要 |
The motor stator of an electric fan is made of a plurality of silicon steel slices piled up and fixedly compressed together. Each silicon steel slice is bored with an insert hole in the center for a motor rotor to be inserted therein. The insert hole has its circumferential wall bored with a plurality of recessed wire grooves for a coil to be wound therein. The silicon steel slice is 60±1 mm in length and in width, and the diameter of the insert hole is 33±1 mm. The insert hole has its circumferential wall bored with 16 recessed wire grooves. Thus, the coil is wound around the wire grooves to form a four-electrode motor stator, able to increase the magnetic current and the torsion of a motor.
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