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磁铁的力量：它们如何影响我们的生活

磁铁的力量虽然看起来很小，但在我们的生活中起着至关重要的作用。它以一种无声而坚定的方式影响着我们的日常生活和工作。

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How to judge the quality of sintered neodymium iron boron magnets? Sintered neodymium iron boron permanent magnets, as one of the materials promoting contemporary technological and social progress, are widely used in the following fields: computer hard drives, nuclear magnetic resonance imaging, electric vehicles, wind power generation, industrial permanent magnet motors, consumer electronics (CD, DVD, mobile phones, audio systems, copiers, scanners, cameras, refrigerators, televisions, air conditioners, etc.), as well as magnetic machinery, magnetic levitation technology, magnetic transmission, and other industries.In the past 30 years, the global permanent magnet material industry has flourished, with magnetic properties constantly breaking records and increasing material varieties and grades. With the expansion of the market, its manufacturers are also increasing day by day, and many customers are inevitably caught in such confusion. How to judge the quality of products?The most comprehensive judgment method: firstly, the performance of the magnet;: 28

2023-08

Do you know how powerful magnets are made? Neodymium iron boron permanent magnet, also known as modern industrial monosodium glutamate, as a major high functional magnetic material in modern industry, promotes the advancement of modern technology and society, and is widely used in various fields. How to determine the advantages of permanent magnet products: magnetic function; The size of the magnet; Surface coating.Magnetic function: The key to decision-making is to control the magnetic properties of the raw materials used in the production process.1. According to the standard rules for purchasing raw materials, our company only sells high-end neodymium iron boron based on business needs or medium or low grade sintered neodymium iron boron.2. The progressiveness of production technology also determines the functional quality of magnets.3. Quality monitoring during the production process is very important.Magnet shape size and tolerance value: Various shapes of neodymium iron boron magnets are used, such as circular, irregular,: 28

2023-08

A Brief Discussion on the Difference between Strong Magnets and Ordinary Magnets Strong magnets belong to the powder metallurgy category with high surface activity. Special attention should be paid during phosphating to avoid damaging the surface characteristics of strong magnets, otherwise the surface of the electroplated product will not be flat and smooth. The relevant formulas for electroplating hardware and electroplating magnets are different, but the electroplating process and equipment of magnet companies are the same. Magnet factories should pay special attention when selecting electroplating suppliers. The chamfer before electroplating should be done at a reasonable angle, as too small an angle is not easy to plate, and too large an angle can cause the product to be too small in size and not accepted by customers.The magnetic poles of both powerful and ordinary magnets will not change, but we can use technical means to charge the same magnet with many poles. The premise of the magnet company is even numbers, which means that a magnet can have several N po: 25

2023-08

Maintenance Techniques for Strong Magnet IFM Magnetic Sensors 1. High frequency characteristics. With the promotion of application fields, the working frequency of sensors is required to be higher and higher, including water meters, automotive electronics industry, and information recording industry.2. Low power consumption. Many fields require sensors to have extremely low power consumption, and powerful magnets can extend the lifespan of sensors. Applied in implanting magnetic biochips, compasses, and more into the body.3. Clean once a half month, and the benefit of cleaning is that it can ensure the temperature stability of the magnet factory. More application fields require increasingly harsh working environments for cutting magnets in sensors, which requires magnetic sensors to have good temperature stability. Industry applications include the automotive electronics industry.4. Controlling the timing of lucky work can achieve anti-interference. There is no evaluation of the usage environment of sensors in many fields of powerful magnets, whi: 25

2023-08

The application of magnets in maglev trains today Magnetic levitation train is a high-speed maglev train system that uses contactless electromagnetic levitation, guidance, and drive systems. It can reach a speed of over 500 kilometers per hour, making it the fastest ground passenger transportation tool in the world today. It has advantages such as fast speed, strong climbing ability, low energy consumption, low noise during operation, safety and comfort, no fuel, less pollution, and low price. And it adopts an elevated approach, occupying very little arable land. Magnetic levitation trains mean that these trains use the basic principle of magnets to levitate on rails instead of old steel wheels and track trains. Magnetic levitation technology utilizes the electromagnetic force in the magnet to lift the entire train carriage, freeing it from unpleasant friction and unpleasant clanging sounds, achieving fast "flight" without contact with the ground and fuel.The maglev train is the most fundamental breakthrough in railway technology sinc: 25

2023-08

Where are irregular magnets mainly used? 1、 What is a heteromorphic magnet?Heteromorphic magnets, as the name suggests, are definitely irregular and unusual magnets, and some ordinary magnets can also be processed into heteromorphic magnets.2、 Where are irregular magnets mainly used?It is reported that special-shaped magnets are mainly used in electroacoustics, electrical appliances, motors, mobile phones, and other fields, and their applications are quite extensive, which may be useful in various industries.3、 What are the common irregular magnets?Common irregular magnets include concave convex magnets, horseshoe magnets, tile magnets, and some counterbore magnets.4、 How are irregular magnets produced?This depends on the specific shape. The material of the magnet is relatively brittle, so the processing procedures are quite complex. There are also many machines used, such as fully automatic slicing machines, wire cutting, forming grinders, centerless grinders, punching machines, and other machines.5、 What are the advantages: 24

2023-08

What should be paid attention to when using magnets? 1、 Gaskets should be used as much as possible, that is, a buffer material should be placed between the magnet and the magnet. Some magnets have a high magnetic force, collectively referred to as strong magnets (especially neodymium iron boron, samarium cobalt magnets, etc.), so it is important to avoid two magnets being directly attracted together.If two magnets collide fiercely, it may cause danger to you, or it may cause wear, breakage, or even scrapping of the two magnets due to collision. The use of gaskets can avoid various accidents. It is also convenient to use when you need a magnet.2、 Pay attention to environmental hygieneMagnets can absorb various types of iron containing dust and should be kept clean at all times in the production workshop.If it sticks to other substances or dust, it is not only difficult to clean, but also extremely easy to affect the product effect (corrosion resistance, surface gloss), especially when used on the outside of the product. Another aspect is: 24

2023-08

Can samarium cobalt magnets rust? Does samarium cobalt rust affect performance? It can also rust. Because samarium cobalt magnets contain iron, they can rust. However, compared to neodymium iron boron magnets, it has a lower iron content, so the rusting phenomenon is not very serious. If samarium cobalt magnets are used in seawater, some rust spots may appear on the surface of the product, but it does not affect its performance and use.Why do samarium cobalt magnets need electroplating?We know that samarium cobalt magnets can be used for electroplating treatment, such as nickel plating, zinc plating, nickel copper nickel, epoxy, etc. So why electroplating? Isn't electroplating adding some cost? In fact, there are three main benefits to electroplating samarium cobalt magnets.1、 Beautiful appearance. The electroplated samarium cobalt magnet looks less powdery, so it looks much better.2、 Rust prevention. Although samarium cobalt magnets have strong rust resistance, electroplating is better.3、 Anti crushing. Samarium cobalt magnets are relatively fragile, and elec: 24

2023-08

What kind of magnetic material should be chosen for the magnetic ring of automotive sensors? 1. Ferrite magnetic materials generally refer to the corresponding oxides of iron oxide and other metal oxides. Most of them possess ferrous magnetism. Characteristics: The resistivity is much higher than that of metals, about 1-10 (12th power) ohms/centimeter, so the vortex loss and skin effect are small, making it suitable for high-frequency use. Low saturation magnetization makes it unsuitable for use in high magnetic density situations. The Curie temperature is relatively low.2. Ferromagnetic material: Refers to a material with ferromagnetism. For example, iron nickel cobalt and its alloys, as well as alloys of certain rare earth elements. Below the Curie temperature, the material has a higher magnetization when applied with external magnetism.3. Ferromagnetic material: Refers to a material with ferromagnetism, such as various ferrites, that exhibit high magnetization when subjected to external magnetism below the Nail temperature.: 22

2023-08

Introduction to Three Installation Methods for High Temperature Resistant Plastic Magnets As a high-temperature resistant plastic magnet, it is used to resist interference at higher operating frequencies, and only at high frequencies can its maximum performance be achieved. It is indispensable for electronic components such as various wiring harnesses, household appliances, various instruments, and electronic devices, and is generally indispensable in areas with interference. When selecting, if there is sufficient installation space or allowed, try to choose a magnetic ring with a large outer diameter, long length, and small inner hole. However, the inner diameter must be tightly attached to the wire harness in order to maximize its impedance effect. If the inner diameter is too large or too loose from the wiring harness, magnetic leakage and other phenomena may occur.Installation method for high-temperature resistant plastic magnetsThe first method is to use a wire harness and repeatedly wrap it with the magnetic ring several times to fix it.The second method is to thread: 22

2023-08

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