News

24/01/19

Magnet Air Transport

Can magnets be transported by air? The answer is yes. The premise needs to be entrusted to do degaussing specially. The so-called degaussing actually does not disappear the magnetism, but the items in the unit package are recombined to make the magnetism displayed by the unit package meet the requirements of air safety transportation stipulated by the state. In order to prevent interference with aircraft instruments, especially compass instruments, the shipper should pack the magnetic materials in the following way: 1. The opposite magnetic poles of magnetron and illuminometer and other instruments and devices must be placed opposite to each other. 2. The permanent magnet material must be equipped with a magnetic armature or screened to prevent the magnetic field from causing deviation of the compass instrument. Passive

24/01/19

Surface treatment of magnet

Source: magnet manufacturer Youlian Magnetics www.youliancy.com

24/01/19

Magnet size range

The above three sizes can only produce one or two of the largest sizes, and other special shapes can be produced according to customer samples or drawings. Source: magnet manufacturer Youlian Magnetics www.youliancy.com

24/01/19

Physical properties of neodymium iron boron

Source: magnet manufacturer Youlian Magnetics www.youliancy.com

24/01/14

Overview of Surface Plating of Magnet

24/01/14

NdFeB Performance Grade

Source: magnet manufacturer Youlian Magnetics www.youliancy.com

23/12/14

Upstream and downstream industrial chain of magnetic materials

The upstream and downstream industrial chain of magnetic materials 1, and the correlation between upstream and downstream industries The upstream of the industrial chain of high-performance ferrite boron permanent magnetic materials industry is the rare earth smelting industry (including: heavy rare earth smelting industry and light rare earth smelting industry), pure iron manufacturing industry and energy power industry. Downstream is wind power, energy-saving elevators, energy-saving and environmental protection air conditioning, new energy vehicles and EPS and other new energy and energy-saving and environmental protection applications, as well as VCM, consumer electronics and other traditional applications. The schematic diagram of the industry chain is as follows: rare earths, because they are widely used in various industries such as steel, glass, ceramics, electronics, petroleum, and new materials, are called"

23/12/14

What is the relationship between the motor and the magnet material magnetic steel

Magnetic steel is actually a very broad meaning of the thing, simply speaking is the permanent magnet, the traditional called magnet, of course, the magnetic steel is relatively weak. After the industrial revolution, through the research of Faraday, Max, Wellorentz and others, electromagnetic transformation has become the driving force leading the development of the times. Then the electromagnetic theory at this time is available, but subject to the process and material problems of permanent magnets, the volume of DC motors has become a bottleneck that cannot be broken through. 9.18 that year, not only did the Japanese enter the northeast, but the Japanese also made a breakthrough in metallurgy: Mishima Deqi made a breakthrough in discovering that proper ratio of aluminum-nickel-cobalt can obtain good magnetic properties, and magnetic steel can

23/12/14

Ningbo enterprises set off a "new three-board" listing boom

"Ningbo Capital Market Development Report 2016" analyzes the situation of Ningbo enterprises listed on the New Third Board last year. According to statistics, in 2016 the city added 67 new three board listed enterprises. Ningbo NEEQ listed companies involve 36 industries, mainly concentrated in: electrical machinery and equipment manufacturing, computer, communications and other electronic equipment manufacturing, software and information technology services. The industries with a relatively high total market capitalization are mainly: electrical machinery and equipment manufacturing, non-ferrous metal smelting and rolling processing, software and information technology services. In terms of regional distribution, the number of new three-board listed enterprises in Yinzhou District and Haishu District increased rapidly. Last year,

23/12/14

Influence of Eddy Current Loss of Magnetic Steel on Rotor Temperature Rise of Permanent Magnet Motor

The rare earth permanent magnet synchronous motor (REPMSM) has the characteristics of small size, light weight and high efficiency. Theoretically, the rotor has no fundamental loss, and the rotor temperature rise should be low, but the actual situation is not. Taking an increased safety rare earth permanent magnet synchronous motor as an example, the rotor temperature rises up to 125°C during the test. If the rotor temperature is too high, it will cause demagnetization danger to the NdFeB permanent magnet and affect the normal operation of the motor. This paper analyzes the reasons that may lead to excessive temperature rise of the rotor, and puts forward measures to reduce the temperature rise. 1. Rotor structure The stator of REPMSM takes the stator of an asynchronous motor, and its structure generally refers to the structure of the rotor. Different

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