Neodymium magnet, also known as NdFeB magnet, is a tetragonal crystal system made of Neodymium, iron and boron (Nd2Fe14B). In 1982, Sumitomo Special Metals' Misaki Sagawa discovered NdFeB magnet.The magnetic energy product (BHmax) of this magnet was greater than that of a samarium cobalt magnet, making it the largest material in the world at the time. Later, Sumitomo Special Metals successfully developed the powder metallurgy process and GENERAL Motors successfully developed a melt-spinning process to make Ndfeb magnets. The magnet is now the second most magnetic permanent holmium zero magnet and the most commonly used rare earth magnet. NdFeB magnets are widely used in electronic products, such as hard disks, mobile phones, earphones and battery-powered tools.
NdFeB magnet has many uses in our life. This article will briefly introduce the use of NdFeB magnet in our daily life.
About the magnetic force of the magnet, most customers choose the cost-effective NdFeB magnet, NdFeB magnet is the strongest magnet in all magnets, commonly known as "magnetic king", many people will ask, since NdFeB magnet is the strongest magnet, so how many times stronger than some ordinary magnets?
Magnet coatings is a non-contact coupling, which is generally composed of two magnets inside and outside, separated by the isolation cover in the middle, the inner magnet is connected with the driven part, and the outer magnet is connected with the power part. Magnet coatings not only have the functions of elastic coupling buffer vibration absorbing, its biggest characteristic is that it broke the traditional coupling structure, using new magnetic coupling principle, implementation not by direct contact between driving shaft and driven shaft can force and torque transmission, and the dynamic seal into static seal, zero leakage. So it is widely used in the leakage of special requirements of the occasion.
Magnets have always been widely used, and as time progresses, the use of magnets has become more and more significant, and many products will involve magnets. Iron boron strong magnets have the characteristics of small size, light weight and strong magnetic properties, and are the magnets with the best function and price ratio so far. The main raw materials for the production of NdFeB magnets are neodymium metal, pure iron, ferroboron alloys and other additives. While magnets bring us convenience, they will also have certain hazards. For example, electronic products such as credit cards and keyboards will be magnetized by magnets.
Compared with the traditional electric excitation motor, the permanent magnet motor has obvious advantages such as simple structure, reliable operation, small size, light weight, low loss, high power, flexible and diverse motor shapes and sizes. Compared with the permanent magnet motor produced with the traditional NdFeB magnet permanent magnet material, the new permanent magnet motor using the high-performance NdFeB magnet permanent magnet material is smaller in size, lower in loss, and significantly higher in power than the traditional permanent magnet motor.
