Permanent Magnets

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Compared with temporary magnets, semi permanent magnetsare the majority of permanent magnetic materials nowadays. The most natural and super strong ones in the world are made of ferromagnetic alloys like rare earth metals and minerals, by factories from different places. The main types of powerful permanent magnets available in our factory are Neodymium magnets, SmCo magnets, and AlNiCo magnets. After the materials are magnetized, they can create a consistent and indefinite magnetic strength without any external magnetic field or electrical power. Specializing in permanent magnet manufacturing, Risheng, as a famous permanent suspension magnet permanent supplier, supplies permanent magnets for sale, and suspended magnetic switches and separators, various lifting magnets, with competitive prices, are rather cost-effective. If you want to save the permanent magnet cost, Risheng is a good choice for you.

Like temporary magnets, it is quite important to learn about the characteristics of different permanent magnets before making them into use: Neodymium magnets are the strongest magnet commercially available but the least resistant to corrosion, the grades are from N35 to N52 with different magnetic fields and different series of coercive forces like M, H, SH, UH, EH, AH for higher temperatures, etc., SmCo magnets are similar to Neodymium magnet, they can have a high magnetic field up to YXS32 grade, but they are with higher resistance against high temperature, Neodymium, and SmCo magnets are classified as strong rare earth magnets. AlNiCo is very stable even in very high temperatures, as well as being resistant to corrosion, also they can be produced in very complicated shapes.

The Manufacturing Method Of Permanent Magnets

Neodymium Magnets are made of Neodymium, Iron, and Boron, produced by a sintering process. SmCo magnets are made of Samarium and Cobalt, produced by a sintering process. AlNiCo magnets are made of Aluminum, Nickel, and Cobalt, produced by the casting or sintering process. The corrosion resistance of Neodymium magnets is very poor, a surface coating like NiCuNi will be required, SmCo magnets and AlNiCo magnets are with excellent corrosion resistance, no surface coating is required.

Some AlNiCo magnets are isotropic and can be magnetized in any direction. Most permanent magnets (actually all rare earth magnets), whether small, tiny, mini, thin or big, large, are anisotropic. Regardless of their different shapes—flat, round, rectangular, bars, stripes, with mounting holes, they are oriented in the production process and only magnetized along the oriented direction to achieve the biggest magnetic field. Some AlNiCo magnets are isotropic and can be magnetized in any direction. As one ofreputable permanent suspension magnet manufacturers, Risheng can provide you with customized magnets such as super strong rare earth magnets for miniatures, at affordable prices.

Applications Of Permanent Magnets

There are various different types of permanent magnets: horseshoe type, u shaped, ring type, bar type; permanent, semi-permanent, non-permanent/temporary; stable magnet, switchable magnet; ferromagnetic magnet, electro-permanent magnet; hard/solid magnet, soft iron nitride magnet; diametrically magnetized disc magnet, etc. To buy high quality magnet, please contact Risheng first.

In terms of permanent magnetization, the most common applications are: motors & generators, holding systems, sensors, magnetic bearings, audio equipment, hard disc drives, heads & loudspeakers, hanging artwork, levitation devices, magnetically coupled pumps, dental instruments, lifting machinery, MRI scanners, medical devices, magnetic separators, packaging closures, POP displays, crafts & model making, commercial signage, reed switches, magnetic tool holders, guitar pick-ups, robotics, security systems, magnets, drilling equipment, wind turbine equipment, energy recovery systems, rotating machinery, turbomachinery, travelling wave tubes, military radar equipment, pipeline inspection, gyroscopes, Halbach arrays.

Now the price of iron nitride magnets for saleis low, anything you need, please leave us a message.

In our permanent magnets factory, we have types of magnet productsfor sale, if you have needs, please contact us.

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