Comparison Of Ferrite Multi -pole Magnetic Ring And Magnetic Tile Combination Magnetic Ring

The Ferrite multi -pole magnetic ring and Ferrite magnetic tile are two forms commonly used in motors. The multi -pole magnetic ring is a multi -NS surface of a ring -shaped magnet, while the magnetic tile represents one pole, 8 magnetic tiles This is the 8 pole. Today we will talk about the advantages and choices of Ferrite multi -pole magnetic rings and magnetic tiles.

The multi -pole magnetic ring and magnetic tiles can be composed of a ring, which can be performed by the outer circle or the internal round. It can be used as a rotor or stator. The structure of the two is compared. The multi -poly magnetic rings have the advantages of high mechanical accuracy and good concentricity. The multi -pole magnetic ring can be easily processed by core mills. The accuracy of the outer circle can be guaranteed within 0.05mm. This is very important for the efficiency and stability of the motor. Assembly, so the size and accuracy are much lower, and the tolerance often increases more than double.

In addition, the rings of the multi -polar ring rotor do not need to use magnetic material, and plastic can be used because the closed magnetic circuit has been formed in the magnetic ring wall. The magnetic tile combination rotor must be conducted by the silicon steel sheet type, otherwise the magnetic leakage will be severely leaked, and the magnetic flux loss will be obvious, resulting in a decrease in the flux density of the rotor surface.

According to experiments and analysis: The combination of Ferrite multi -pole magnet rotation and magnetic tile combination rotor has its own characteristics and each has its own corresponding scope of applications, but there are regions in which the two are competitive in the intersection. For small specifications of rotor magnets, such as less than 40 mm, especially the cases with more magnetic poles. The reasonable solution is to adopt a multi -polar magnetic ring. At present, the actual situation at home and abroad is the same. For large power requirements, the required rotor size is large, such as more than 100 mm, and the magnetic tile stitching is more reasonable, because this large -scale multi -pole magnetic ring has more special requirements for the equipment, the manufacturing cost has increased significantly, the performance advantages are superior to the performance advantages, the performance advantage is disappear.

In the intersection of the above -mentioned range, the size of the required rotor ring is roughly between 50 and 80 mm. From the perspective of realistic conditions and development prospects, the multi -polar ring has an advantage over magnetic tiles. From many aspects of motor efficiency, miniaturization, energy saving, and cost, it is more reasonable to use multi -pole magnetic rings.