What is the difference between brushless motor rotor tile magnets and rectangular magnets?

Brushless motor rotor needs to be filled with magnets, in the actual production, many friends found that some magnets are in the shape of an outer piece with an arc; some magnets are directly used square, so what is the difference between the two? Use magnetic tile good, or ordinary magnets good? Vacuz give you an introduction!

1, tile-shaped magnets are mainly used for the inner surface paste or outer surface paste, like the model, planting machine, electric car motor rotor, etc., are used tile-shaped magnets, paste the outer surface or inner surface, paste a circle.

2, rectangular magnets are often used in the rotor embedded, from the slot check down, is inserted into the rotor inside, because the permanent magnet brushless DC motor needs a square waveform, embedded magnets air gap magnetic density waveform closer to the square wave.

3, tile-shaped magnets because of the close paste in the surface of the rotor, so the air gap is more uniform, if the use of rectangular magnetic tile table paste, the air gap is not uniform, not only is not good to stick, and the effect is not as good.

4, even rectangular magnets, in different poles, the geometric structure also varies, especially the embedded more complex, such as ordinary, V-shaped, eight-shaped, double V, a V-shaped, etc..

Brushless motor rotor tile magnets and rectangular magnets what is the difference and different, the above made a brief introduction, I hope it can help you learn the daily, know the basics of rotor tile.

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