Electric special magnet

Strong magnet is "rare earth magnetic" also refers to the strong NdFeB magnets. NdFeB has a small size, light weight and strong magnetic features, is by far the best price-performance magnets. Expected in the next 20--30 years, there can be no substitute NdFeB magnetic material appears. Production of major raw materials NdFeB rare earth metal neodymium, praseodymium metal, iron, aluminum, boron and other rare earth alloy materials NdFeB industry's core technology is mainly reflected in the manufacturing process, embodied in their products uniformly , consistency, processing quality, coating quality and other aspects. As a third-generation NdFeB rare earth permanent magnet material with high performance and low cost, which are widely used in energy, transportation, machinery, medical, IT, home appliances and other industries, especially with information technology as the representative of the knowledge-based economy development, to rare earth permanent magnet NdFeB industry and other functional materials continue to bring new uses, which brings a broader market prospects for the NdFeB industry. Strong magnet industry application editor electro-acoustic field: speakers, receivers, microphones, alarm, stage audio, car audio. Electronic appliances: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter, water meter, sound meter, dry reed pipe, sensors. Motor areas: VCM, CDDVD-ROM, generators, motors, servo motors, micro-motors, motors, vibration motors. Machinery and equipment: magnetic separation, magnetic separation machine, magnetic crane, magnetic machinery. Healthcare: MRI scanners, medical equipment, magnetic health products, magnetic fuel economy and so on. Other industries: magnetized wax, pipe descaling, magnetic fixture, automatic mahjong machine, magnetic locks, doors and windows magnetic, magnetic bags, leather magnetic toys, tools magnetic, craft gift packaging. 2 strong magnet NdFeB grades editor mainly residual magnetism, different coercivity and maximum energy product. The following are for reference only neodymium magnetic material, as a result of the latest development of rare earth permanent magnet material, because of its excellent magnetic properties and are called "Magneto." NdFeB magnetic material is an alloy of neodymium, iron and the like. Also known as magnet. NdFeB brands are: N30 ~ N52; 30H ~ 50H; 30SH ~ 50SH; 28UH ~ 40UH; 30EH ~ 35EH like. It is commonly used in high magnetic magnets. Determined by the crystal structure. Description: The third generation of rare earth permanent magnet NdFeB is the strongest performance of contemporary permanent magnets. Its value is 5-12 times BHmax ferrite magnets, is 3-10 times alnico magnet; it's the equivalent of 5-10 times the coercive force of ferrite magnets, alnico magnet 5 15 times the magnetic potential is extremely high, it can pick up the equivalent of 640 times the weight of its own weight. As the main raw material of iron NdFeB magnets are very cheap, compared with reserves of rare earth neodymium, samarium more than 10-16 times, so the price is much lower than the samarium-cobalt magnets. Mechanical properties of NdFeB magnets are better than samarium cobalt magnets and alnico magnets, easier cutting and drilling and machining complex shapes. Inadequate NdFeB magnets is its poor temperature performance, high temperature magnetic loss is large, the maximum operating temperature is lower. Generally around 80 degrees Celsius, after special treatment magnet, its maximum operating temperature up to 200 degrees Celsius. Because the material contains large amounts of neodymium and iron, it is easy to corrosion is one of its major weaknesses. So NdFeB magnets have the surface coating. Nickel can be electroplated (Ni), zinc (Zn), gold (Au), chromium (Cr), epoxy resin (Epoxy) and the like. [1]