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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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Introduction to Countersunk Hole Magnets Countersunk magnet, also known as a counterbore magnet, is a powerful counterbore magnet that is installed and fixed in the desired position through screws. The size of a countersunk hole magnet is generally represented by a large D for diameter, d1 for countersunk hole diameter, d2 for straight hole inner diameter, and H for thickness (height).Speaking of this type of magnet, do you really feel unfamiliar? Let me give a few examples now to see if you are familiar with it. There are some large screws on the toys of children at home, especially those robots. Although it may seem easy to unscrew them, it is really difficult to handle them in practice. It feels like something is sucking on them, This is a special type of circular counterbore magnet: screw hole magnet.Our company can customize any size and performance of neodymium iron boron countersunk hole strong magnets, high-temperature resistant countersunk hole magnets, square rectangular double countersunk hole magnets, circular cou: 20

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You should know the difference between same-sex ferrite and heterosexual ferrite Is there a difference between same-sex and heterosexual ferrite? Yes. Recently, the editor encountered a customer from Tangxia who was not clear. Some merchants provided him with same-sex ferrite, which caused the sample to be delayed and unqualified. Finally, we found out and helped the customer solve the problem.What is the difference between isotropic and anisotropic ferrite magnets? What is the difference?The magnetic energy product is about three times more anisotropic than isotropic, and when making it, isotropic is simpler than anisotropic. Therefore, same-sex molds will be slightly cheaper compared to their unit price.How to distinguish between same-sex or heterosexual ferrites based on their appearance?This cannot be seen from outside. Isotropic magnetic fields are applied during compression (dry or wet) to align the easily magnetized axes of the magnetic powder.How much Gaussian is there on the surface of isotropic ferrite? How much Gaussian can anisotropic ferrite reach?Homo: 20

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Magnetic environment test When designing and evaluating the application of magnets, in addition to considering performance requirements, the most important thing is whether the magnet can exert its effectiveness in the actual environment and the duration of its ability to last. Environmental testing is a quality management program established for this purpose, which simulates the actual environment that magnets may face, observes changes in magnets, and enables magnets to truly meet the requirements and standards of actual operation.Accelerated magnet aging test is one of the most commonly used environmental tests when detecting magnets. This series of experiments utilizes increased and controlled environmental conditions such as pressure, temperature, humidity, and contact with substances to enhance the potential environmental impact on magnets. In other words, we simulate the changes that magnets may undergo in actual environments over a long period of time by exposing them to extreme experimental environment: 19

2023-10

Advantages and disadvantages of samarium cobalt permanent magnets Advantages/Benefits:(1) Can be used in extremely cold conditions.(2) SmCo can be used at temperatures up to+300 degrees Celsius (572F) and up to+350 degrees Celsius (662F).(3) High coercivity (Hci) to resist demagnetization.(4) Above+150 to+180 degrees Celsius (302-356F), samarium cobalt magnets begin to provide higher performance levels than neodymium iron boron magnets.(5) Samarium cobalt performs well in terms of corrosion resistance.(6) The extremely low field strength varies with temperature.Disadvantages/Disadvantages(1) Under very humid conditions, Sm2Co17 should be coated with a protective coating to minimize any risk of surface corrosion. Sm1Co5 does not rust because it does not contain iron.(2) The general cost is higher than neodymium iron boron.(3) All magnets are very brittle, but samarium cobalt magnets are the most brittle.: 19

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Rare earth magnets and non rare earth magnets What is a rare earth magnet? What is a non rare earth magnet? Today, this article takes you to learn more.Non rare earth magnets have a long history, and their mass production and industrial application gradually matured in the mid-20th century. It was not until the late 20th century that rare earth magnets emerged with the development of powder metallurgy technology, and non rare earth magnets were distinguished from them.Rare earth magnets are made by smelting the combination of rare earth elements and ferromagnetic elements, which can generate a strong magnetic field and have excellent magnetic retention. Its magnets are brittle and prone to cracking, and are prone to corrosion and loss. Therefore, other metals are generally used as coatings to protect rare earth magnets.Common rare earth magnets include: samarium cobalt magnets developed in the 1970s, which were the first batch of mass-produced rare earth magnets; Another mainstream neodymium iron boron magnet was launched in 1984.: 19

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What should be known about customizing samarium cobalt magnets - technical data Level: 18 Level: 26Shape: circular and cylindrical Shape: circular and cylindrical/otherMagnetization: Axial magnetization Magnetization: Axial magnetizationBr: 8600 Gauss Br: 10500 GaussBHmax: 18 MGOe BHmax: 26 MGOeHci: 9000 Ost Hci: 10000 OstMaximum working temperature: 500 º F/260 º C Maximum working temperature: 662 º F/350 º CCurie temperature: 775 degrees Fahrenheit/413 degrees Celsius Curie temperature: 825 degrees Fahrenheit/441 degrees CelsiusDensity (lb/in3): 0.300 Density (lb/in3): 0.303Samarium cobalt magnets have excellent temperature and thermal stability, and their magnetic properties are maintained within the range of around 300 ° C (570 ° F). They have excellent corrosion resistance and do not require any surface treatment. In addition, sintered samarium cobalt magnets provide very high demagnetization resistance.: 18

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Do you know the content of rare earth elements in magnets? Rare earth elements are a group of 17 metallic elements, including fifteen lanthanide elements on the periodic table, as well as scandium and yttrium. They are essential components of over 200 widely used products, especially high-tech consumer products such as cellular phones, computer hard drives, electric and hybrid vehicles, as well as flat panel displays and televisions. Important national defense applications include electronic displays, guidance systems, lasers, radar, and sonar systems. Although the amount of rare earth elements used in a product may not be an important component of its weight, value, or volume, rare earth elements are necessary for equipment operation. For example, magnets made of rare earth elements typically only account for a small portion of the total weight, but without them, the spindle motors and voice coils of desktop and laptop computers would not be possible.What are the elements used to manufacture permanent magnets?Including samarium, neodymium, pr: 18

2023-10

Introduction to the magnetization direction and production cycle of neodymium iron boron block magnets There are not many online introductions about neodymium iron boron strong square magnets. Today, magnet manufacturer Karich Xiaofu provides a detailed introduction on the magnetization direction and production cycle of square magnets.First of all, let's talk about the delivery time of neodymium iron boron square magnets: The delivery time of square magnets is related to the order quantity and processing difficulty, usually taking about 7-10 days. This delivery time is related to the order arrangement and production volume of the magnet manufacturer. After confirming the unit price of the magnet, the delivery time still needs to be further negotiated, so as not to cause discomfort for both parties due to the delivery time!Many friends are confused about the magnetization of a square magnet and do not understand how to express it, so customers often make mistakes. For example, a square magnet is 15mm long, 4mm wide, and 3mm thick. If a 3 * 15 surface is required as a strong magnetic: 16

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Delivery time: 10-20 days, depending on the processing difficulty The magnetic pole observation plate can quickly detect the number of magnetized poles of the magnetIdentification method for magnetic pole observation film: Test the magnetization level of the magnet: Place the magnet product in the developing area of the magnetic film to clearly see the magnetization level of the magnet product. The magnetization levels of the magnet product are all even, as they are one-on-one.The magnetization method for identifying magnets: The magnetization methods for magnet products are commonly axial magnetization and radial magnetization. Axial magnetization products can be seen on the height plane of the magnet, which divides the height (i.e. thickness) of the magnet into two halves, showing a cross shaped boundary. Radial magnetization does not exist, while radial magnetization products are evenly divided into several parts, one vertical and the other vertical.Identification of strong and weak magnetic surfaces: For multi-stage magnetized products, the magne: 16

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Large and small head magnets Neodymium iron boron large and small head strong magnets can be understood as two circular magnets with different diameters sticking together, represented by the thickness of the large diameter D1 * and the small diameter D2 *. Some customers also refer to them as step magnets or circular convex magnets.A magnet with a diameter of D5 * 1.8+d4 * 1.9mm represents a diameter of 5mm with a thickness of 1.8mm for the large end, and a diameter of 4mm with a thickness of 1.9mm for the small end.What is the function of a large and small head magnet?Like some slotted magnets, they are mainly used for positioning or special requirements.Where are the large and small end magnets mainly used?Electronic products, connectors, cigarette lightersIntroduction to the Parameters of Large and Small Head MagnetsShape: Large and small head magnets, diameter and thickness can be manufactured according to your requirements.Material: N35-N52, or high-temperature resistant material.Plating: Galvanized/nickel pl: 16

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