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How to consider the specifications and types of magnets

When choosing NdFeB magnets, customers should choose the magnet trademark suitable for them according to their working temperature. If the working temperature is higher than the...

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Introduction to the specific differences between neodymium iron boron strong magnets N42 and N45

The maximum magnetic energy product standard for N42 material is 40-43MGOe, while the maximum magnetic energy product standard for N45 material is 43-46MGOeDifference in residual magnetism between N42 and N45N42 has 13000GS and N45 has 13300GS residual magnetism, which can be measured using specialized instruments.Is N42 4200gs, and N45 4500gs?No. N42 and N45 are the grades of magnetic materials. 4200GS and 4500GS are magnetic field sizes calculated based on your brand and magnet size. Usually, the larger the magnet area, the lower the surface magnetic dispersion.If the shape and size are the same, statistically speaking, N45 will be about 2% higher than N42 (surface magnetic flux density)N42 and N45 raw material pricesThe price of N42 is 188.5 yuan/kg, and the price of N42 is 195.5 yuan/kg. (For reference only)N42 neodymium iron boron magnet surface magnetic size reference;N42/NI/10 * 10 * 3MM, approximately 2860 Gauss.N42/ZN/75x4x5.8mm, approximately 4000 Gauss.N42H/D6.8 * D3.9 * 0.9

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2023-09

Application of Neodymium Iron Boron Permanent Magnets in New Energy Vehicles

New energy vehicles mainly include hybrid electric vehicles and pure electric vehicles. High performance iron iron boron permanent magnet materials are mainly used in driving motors of new energy vehicles. The driving motors suitable for new energy vehicles mainly include permanent magnet synchronous motors, AC asynchronous motors, and switched reluctance motors. Among them, permanent magnet synchronous motors have become mainstream motors due to their wide speed range, high power density, small size, and high efficiency. Neodymium iron boron permanent magnets have the characteristics of high magnetic energy product, high intrinsic coercivity, and high remanence, effectively improving the power density and torque density of motors, and are widely used in permanent magnet motor rotors.EPS (Electric Power Assisted Steering System) is the component that uses the most permanent magnets besides the driving motor (0.25kg/vehicle). The micro motor used in EPS is a permanent magnet motor, whic

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2023-09

Application of Samarium Cobalt Magnetic Steel in the Motor Industry

About half of the output of samarium cobalt magnetic steel material is used to manufacture various magnetic motors. There are many types of samarium cobalt motors, and according to the classification of AC and DC, permanent magnet motors can be divided into 10 motor names. Samarium cobalt permanent magnet AC motors include permanent magnet synchronous generators, etc. The uses of these Samarium cobalt magnetic steel motors are shown in the table, with capacities ranging from a few milliwatts to hundreds of kilowatts. They are widely used in modern science and technology, as well as in the national economy and living sectors.The advantages of samarium cobalt permanent magnet motors compared to non permanent magnet motors are that they do not require excitation windings or exciters, have high specific power, small size, light weight, power saving, copper saving, and other valuable metals. The emergence of the third-generation samarium cobalt magnetic steel material has promoted the devel

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2023-08

The application of neodymium iron boron magnets in every field

What are the applications of neodymium iron boron magnets in each field? For a long time, the application of neodymium iron boron magnets has been very extensive. With the change of time and the continuous advancement of the technological era, the use of neodymium iron boron magnets has become increasingly obvious. Neodymium iron boron magnets not only have small size, light weight, and strong magnetism, but also are the most affordable and best magnets in today's society. The most crucial raw materials for neodymium iron boron magnets are metallic neodymium, pure iron, iron boron alloys, and other additives, which is why neodymium iron boron magnets have excellent properties. Although magnets bring us many conveniences, they also have certain harm, such as magnetic electronic products such as keyboards and bank cards that are magnetized by magnets.Neodymium iron boron magnets are used in the field of scale removal and prevention. After the water is subjected to high-strength magne

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2023-08

Do you know the production process of permanent magnet ferrite?

The application of permanent magnet ferrite is very common in daily life, and it is used internally in many motor equipment or electronic products because of its strong magnetism. It is currently a widely used product. Today, I will introduce the production process of permanent magnet ferrite to you.1. Weighing and MixingFerrite raw materials include main raw materials, additives, and fluxes Fe2O3, BaCO3, SrCO3, and CaCO3, which are the main raw materials for ferrite. The weighing process needs to strictly follow the formula, otherwise ideal magnetic properties cannot be obtained.2. GranulationIn order to ensure the smooth progress of the solid-state reaction process, the mixture must be granulated before calcination. During the granulation process, the solution will be sprayed into the mixture. The particle size of granular materials has an impact on aging time.3. Pre sinteringThe purpose of pre sintering is to fully ensure the solid-state reaction of the raw materials. After pre firi

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2023-08

What are the factors that affect the magnetic force of a circular magnet?

Magnets are becoming more and more widely used in today's social life. Whether in life or work, we sometimes come into contact with magnets. The development of magnets is so good mainly because they have a wide range of applications. However, we should not only see one side of their halo, but also explore their different aspects. Magnets have some differences, So we should pay attention to these aspects of magnets.Let's start by saying that circular magnets cannot be used in some cases due to their different shapes. This is due to their own reasons, and we cannot change them. However, in some places, they have similarities with other magnets. So what factors are affecting their magnetic performance? The first factor is environmental factors. As circular magnets are mainly presented in a circular shape in front of us, there are certain differences for some special environments. In addition, there is a temperature factor. If the magnet encounters high temperatures, corrosion will

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2023-08
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