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Neodymium iron boron industry will develop rapidly in terms of environmental protection and energy conservation With the advent of the global era of high oil prices, the entry into force of the Kyoto Protocol, and the increasing emphasis on environmental protection and energy conservation by countries around the world, environmental protection and energy conservation are becoming important factors affecting the development of manufacturing industries in various countries. Neodymium iron boron is one of the main raw materials for manufacturing environmentally friendly and energy-saving products. The application of neodymium iron boron in fields such as automobiles, compressors, and wind turbines is precisely based on environmental protection and energy conservation considerations. As a functional material for environmental protection and energy conservation, neodymium iron boron will be more widely used. The neodymium iron boron industry is becoming a new sunrise environmental protection industry.We expect an average annual demand growth rate of around 20% for neodymium iron boron in the next 3-5: 07

2023-08

Overview of neodymium iron boron industry Neodymium iron boron has the characteristics of small volume, light weight, and strong magnetism, making it the most cost-effective magnet to date. It is expected that there will be no alternative magnetic materials to neodymium iron boron in the next 20-30 years. The main raw materials for producing neodymium iron boron permanent magnet materials include metal neodymium, pure iron, boron iron alloy, and other additives.The core technology of the neodymium iron boron industry is mainly reflected in the manufacturing process, specifically in the uniformity, consistency, processing quality, coating quality, and other aspects of its products.The neodymium iron boron industry is a highly patented industry, and only after obtaining a patent license and paying a patent fee can individual magnets or components equipped with magnets be sold in the patent area. The neodymium iron boron patent is a patent package, although the main patent is nearing expiration, there are still many auxiliary pat: 07

2023-08

The world's neodymium iron boron industry is shifting towards China Neodymium iron boron, as the third generation rare earth permanent magnet material, has a high performance price ratio and is widely used in industries such as energy, transportation, machinery, medical, IT, home appliances, etc. Especially with the development of knowledge economy represented by information technology, it continuously brings new uses to functional materials such as rare earth permanent magnet neodymium iron boron industry, which brings broader market prospects for the neodymium iron boron industry.At present, China has become the world's center for manufacturing neodymium iron boron permanent magnets. China has currently formed its own neodymium iron boron industry system, relying on resource and cost advantages, and the industry is developing rapidly. In 2003, the production accounted for over 50% of the world's production, and the world's neodymium iron boron industry is shifting to China.In addition, the global manufacturing industry is currently shifti: 07

2023-08

Three magnetization methods 1. The first type of magnetization belongs to open circuit magnetization. Due to the absence of an external magnetic field circuit during magnetization and the absence of a closed circuit, the magnetization of the magnetic tile is not easy to saturate, which has an impact on the magnetic flux density of the tile. Generally, it is lower than closed circuit magnetization;2. The second type of magnetization is the most commonly used, which belongs to closed circuit magnetization. The magnetic flux density after magnetization is also the highest, and the waveform of the air gap magnetic density can be adjusted by the shape of the magnetization head to meet the requirements of different motor performance. However, during motor assembly, special tools need to be used for assembly, otherwise the rotor may be damaged or the magnetic tile may be broken due to magnetic attraction;3. The third magnetization method also belongs to closed circuit magnetization (because the rotor lamination is a goo: 03

2023-08

Three commonly used magnetization methods for magnetic tiles 1. Magnetize the magnetic tile separately, then install it into the casing, and then assemble it as a whole;2. Install the magnetic tile into the casing (stick it), then magnetize it, and then assemble it as a whole;3. Install the magnetic tile into the casing (glued), then assemble the finished product, and finally magnetize the entire body.The impact of different methods on magnetic tile magnetization:1. The first magnetization method is about 10% lower than the second and third magnetization methods in terms of surface remanence, and generally speaking, using the second magnetization method is more reasonable;2. The first method of magnetization is very convenient. Some factories use solenoid tunnel magnetization, which has high production efficiency;3. The second method of magnetization is that some factories use external flushing, while others use internal flushing. The magnetic tiles or rings need to be glued and dried first, which is also very convenient in production;4. The thi: 03

2023-08

Magnetic tile usage Magnetic pads are mainly used in permanent magnet DC motors, unlike electromagnetic motors that generate a magnetic potential source through excitation coils. Permanent magnet motors use permanent magnet materials to generate a constant magnetic potential source. Permanent magnet pads instead of electric excitation have many advantages, such as simple motor structure, convenient maintenance, light weight, small volume, reliable use, low copper consumption, low energy consumption, etc.The Effect of Magnetic Pad Performance on Electric Motors(1) High residual Magnetic flux density Br. Because under the same magnetic pole surface area and air gap, high Br can generate large output torque and power. Electric motors only have high efficiency.(2) High Hcb. Because the Hcb is high, it is necessary to ensure the required electromotive force for the motor output, so that the motor's working point is close to the maximum magnetic energy product, fully utilizing the ability of the magnet.(3): 03

2023-08

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