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Notes on the application of permanent magnet materials

The actual magnetic properties of permanent magnet materials are related to the specific manufacturing process of the factory, and there is often a certain deviation between the values and the data specified in the standard. The same brand of permanent magnet material, different factories or different batches of the same factory will have certain magnetic differences. For the shape and size of the permanent magnet actually used in the motor, there will be some differences between its magnetic properties and the standard data.

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The main properties of permanent magnet materials

The magnetic induction intensity value of the permanent magnet material when the external magnetic field is zero after the material is magnetized to saturation. This index data is directly related to the magnetic density of the air gap in the motor. The higher the magnetic induction intensity value, the higher the air gap magnetic density of the motor may be, the torque constant, back potential coefficient and other main indicators of the motor will reach the best value, the electrical load and magnetic load value relationship of the motor may be the most reasonable, and the efficiency can reach the best.

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Samarium cobalt magnet, mainly composed of samarium and cobalt.

Samarium cobalt magnet, mainly composed of samarium and cobalt. The samarium cobalt magnet is also one of the most expensive of the several magnets, since the materials themselves are expensive. The magnetic energy product of samarium cobalt magnets is currently 30MGOe, or even higher.

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Types of permanent magnet materials

ferrite is a kind of non-metallic magnetic material, also known as magnetic ceramics. If we take apart a traditional radio, the speaker magnet inside, it's ferrite.

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2012 CWIEME Chicago2012 CWIEME Shenzhen Exhibition

Tianjin Bunte participated in the CWIEME Exhibition held in Shenzhen from April 28 to 31, 2012.

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2012 CWIEME Berlin Exhibition

The 2012 CWIEME Berlin Exhibition has come to a successful conclusion

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TNMag

With more than 10 years of professional experience in the production of permanent magnetic materials and magnetic devices

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