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Neodymium magnet was invented by Satoshi Sakagawa et al., sumitomo Special Metals Corporation in 1982. According to its chemical formula, it is mainly composed of neodymium, iron and boron and other chemical elements.
Neodymium-iron-boron magnet is the most commercially available magnet and is known as magnetic king. It has an extremely high magnetic capacity and its maximum magnetic energy product (BHmax) is 10 times higher than Ferrite.
Its own mechanical processing performance is also quite good.
Operating temperature up to 200 degrees Celsius.
And its texture is hard, performance is stable, such neodymium magnets have very good cost performance, therefore its application is extremely extensive.
But because its chemical activity is very strong, surface coating treatment is a must for neodymium magnet.
(e.g. Zn,Ni, electrophoresis, passivation, etc.)
Technological process: batching → melting ingot/strip spinning → powder making → press → sintering tempering → magnetic testing → grinding → pin cutting → electroplating → finished product.
Among them, batching is the basis and sintering tempering is the key.
Production tools and performance testing tools for NdFeb magnet blank: melting furnace, strip blast furnace, hydraulic fracturing machine, air flow grinding, pressing molding machine, vacuum sealing machine, isostatic press, sintering furnace, heat treatment vacuum furnace, magnetic properties tester, Gaussimeter.
Ndfeb magnet machining tools: centerless grinding, rolling machine, double end grinding, flat grinding, slicer, double side grinding, line cutting, special-shaped grinding, etc.
Today, neodymium magnets are in rapid development and widely used.
It is possible to replace the traditional pure iron magnet, aluminum-nickel-cobalt alloy and samarium cobalt magnet in many fields such as electric motors, instruments and meters, automobile industry, petrochemical industry and magnetic healthcare products.
Neodymium magnets can produced into all kinds of shapes, such as disk magnet, ring magnet, rectangle magnet, arc magnet and other shapes magnet.
Neodymium magnets are found in everyday electronic products such as hard drives, mobile phones, earphones and so on.
Neodymium magnet plays an increasingly important role in professional audio field.
Neodymium magnets are small in size, light in weight and have high magnetic flux.
So it is very suitable for professional performance stage amplification and large stadium amplification.
Among its many professional audio brands, TM professional audio has developed a number of high-quality neodymium magnetic units through a large number of experiments, and developed la-102F, a neodymium magnetic unit linear array performance speaker with large power, compact structure and light weight, based on the upgrading and transformation of traditional linear array audio units.
More info about neodymium magnets, reach neodymium magnets product manufacturer, Zhongke Magnetic Industry Co.,Ltd.
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