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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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New magnetic materials that can simultaneously replace some neodymium iron boron and ferrite Significantly reducing production costs, the current price of praseodymium neodymium metal is about 1 million yuan/ton, reaching a maximum of 1.4 million yuan in the first quarter, while the price of cerium metal is only 27000 yuan/ton.The content of cerium in the crust is about 0.0046%, which is the highest abundance among rare earth elements.The new cerium magnet can fill the performance gap between high-performance magnets and ferrite in permanent magnet materials. Its performance is lower than that of neodymium iron boron, but its cost advantage is prominent. Its price is higher than that of ferrite, but its performance advantage is obvious. It can replace some neodymium iron boron and ferrite markets at the same time.We have developed a series of high abundance rare earth magnet brand products, breaking through the limitations of high abundance rare earth magnets concentrated in fields such as magnetic adsorption, magnetic separation, electric bicycles, luggage buckles, door buckl: 11

2023-09

All you want to know about cutting ferrite magnets is here 1、 How is a ferrite magnet cut?Ferrite cutting and processingFerrite cutting magnets are made from block shaped rough embryos, mainly made of strontium based (Sr) ferrite (Fe2O3). The forming time is longer, but the density is higher. In theory, the larger the block material rough embryo, the better. However, due to the pressure limitations and yield improvement of the machinery itself, the largest material specification is L220xW150x25.4mmT. The ferrite permanent magnet itself can only be processed for its outer diameter and thickness, but cannot be divided. If it is divided, its original performance will change and weak magnetic phenomenon will occur. The outer diameter and thickness are mostly processed by water grinding, and the appearance will change after processing, but the original shape will not change.2、 What is the minimum size of a ferrite cutting magnet that can be machined into?With the improvement of cutting ability, the minimum size that ferrite cutting magnets can cut: 11

2023-09

The induction speed of neodymium iron boron for bidirectional gate magnetic detector magnets is faster The bidirectional door magnetic detector is suitable for preventing various doors, windows, and cabinets in homes, shops, shopping malls, and other places. It is on 24-hour alert, bringing home to a better state, safe and reassuring.So what kind of magnet is used for the bidirectional gate magnetic detector? What is the main function?Door magnet installationGate magnetic detectors usually use square magnets to generate a constant magnetic field, mainly made of ferrite and neodymium iron boron. The induction speed of strong neodymium iron boron magnets is faster!What are the main specifications of special magnets for door magnetic detectors?There are many specifications for door magnetic detector magnets, and our company can conduct sample testing according to your specific specifications and performance. Common specifications include F7 * 9 * 25, F20 * 6 * 6, F106 * 16 * 16mm, F20 * 10 * 5, F29x13x8, F64x13x13, and so on.: 11

2023-09

Epoxy coated shaped magnet The reason why neodymium iron boron undergoes demagnetization in high-temperature environments is determined by its physical structure. The reason why a general magnet can generate a magnetic field is because the electrons carried by the material itself rotate around the atoms in a certain direction, generating a certain magnetic field force, which in turn affects related affairs around it. However, there are certain temperature restrictions on the rotation of electrons around atoms in a given direction, and different magnetic materials can withstand different temperatures. In cases of excessive high temperature, electrons will deviate from their original orbits, causing chaos. At this time, the local magnetic field of the magnetic material will be disrupted, leading to demagnetization.Generally speaking, the demagnetization temperature of neodymium iron boron depends on its specific composition, magnetic field strength, and heat treatment history. Normally, the demagnetization tempera: 07

2023-09

Several effective solutions for high-temperature demagnetization of neodymium iron boron magnets 1、 Do not place neodymium iron boron magnet products at excessively high temperatures, especially pay attention to their critical temperature. The critical temperature of ordinary neodymium iron boron magnets is usually around 80 degrees Celsius (176 degrees Fahrenheit). Adjusting the working environment temperature in a timely manner can minimize demagnetization phenomena.2、 Starting from technology, we aim to improve the performance of products using neodymium iron boron magnets, enabling them to have a more temperature sensitive structure and less susceptible to environmental influences.3、 You can also choose high coercivity materials with the same magnetic energy product. If that's not enough, you can only sacrifice a little magnetic energy product and find materials with higher coercivity that have a lower magnetic energy product. If that's not enough, you can choose to use samarium cobalt. As for reversible demagnetization, you can only choose samarium cobalt.PS: Each mat: 07

2023-09

Several Effective Methods to Prevent High Temperature Demagnetization of NdFeB Strong Magnetism Friends who have some knowledge of magnets know that neodymium iron boron magnets are currently recognized as high-performance and cost-effective magnet products in the magnetic material industry. Many high-tech fields have designated the use of them to make various types of spare parts, such as national defense and military, electronic technology, medical equipment, motor and electrical appliances, and other fields. The more you use, the easier it is to detect problems, and the demagnetization phenomenon of neodymium iron boron strong magnets in high-temperature environments is of great concern.Firstly, we need to know why neodymium iron boron demagnetizes in high-temperature environments?: 07

2023-09

Surfboard motor magnet A surfboard motor usually refers to an electric power assist system installed on a surfboard to help surfers navigate the waves. This motor system typically includes components such as an electric motor, battery, controller, etc. Today, this article mainly discusses the role of magnets, materials, magnetic field strength, shape, etc.The role of magnets in electric surfboard motors;The main function of a magnet in a surfboard motor is to interact with the motor to generate driving force. The motor usually uses current to pass through the coil to generate a magnetic field, while the magnet can generate force that interacts with the motor's magnetic field. By adjusting parameters such as current and magnetic field strength, the interaction between the magnet and the electric motor can be controlled, thereby adjusting the driving force of the surfboard and helping surfers travel on the waves.The magnet material of the surfboard motor;Magnets can be divided into two common types: perman: 06

2023-09

A Brief Discussion on the Characteristics of Permanent Magnet Ferrite Manufacturers In 1930, a permanent magnet with a spinel (MgA12O4) structure was discovered. Due to its brittle nature, complex process, low magnetic properties, and cobalt content, this type of magnet was not widely used at that time. After 20 years of continuous development, a high resistance non-metallic magnetic material - ferrite - was born on the basis of spinel. This brought revolutionary changes to the radio industry, pulse, and microwave technology at that time. In the 1970s, due to the easy oxidation, low Curie temperature, and high cost of metal permanent magnet materials, ferrite had the opportunity to develop. At present, ferrite has become the highest production permanent magnet ferrite material.Magnetic materials are the fundamental functional materials in the electronics industry. Permanent magnet materials, as an important component of magnetic materials, play an important role in industries such as electronics, information technology, motorcycles, electric tools, and automobiles. Pe: 05

2023-09

The reason why neodymium iron boron powerful magnets are known as the magnetic king Sumitomo Special Metals has successfully developed the powder metallurgy process, while General Motors has successfully developed the melt spraying process, which can prepare neodymium iron boron magnets. This type of magnet is a permanent magnet with magnetic properties second only to absolute zero degree holmium magnets, and is also the most commonly used rare earth magnet. Neodymium iron boron magnets are widely used in electronic products, such as hard drives, mobile phones, headphones, and battery powered tools.Neodymium iron boron magnet is a collective term for powerful magnets, which is a type of artificial permanent magnet. It is currently the strongest permanent magnet and the most cost-effective magnet, and is known as the magnetic king in the magnetic field. It is expected that there will be no alternative magnetic materials to neodymium iron boron magnets in the next 20 years.Neodymium iron boron has extremely high magnetic energy product and coercive force, and the advant: 05

2023-09

A Brief Discussion on Manufacturers of Neodymium Iron Boron Magnets 1. Analysis of the Principle of Magnetic Field Generation in Strong Neodymium Iron Boron MagnetsStrong neodymium iron boron magnets are the same as electricity, but they cannot be seen or felt clearly. They can only feel magnetism when the iron is close. Magnets are easy to make and have a wide range of applications. We all know that matter has a gravitational field between itself. Similar to a magnetic field, it is a type of field that fills the space around the magnetic poles. The size of the magnetic field can be expressed in terms of the number of imaginary magnetic field lines. The denser the magnetic field lines, the stronger the magnetic field. Conversely, if the magnetic field lines are sparse, the weaker the magnetic field.A powerful magnet in motion will experience a type of Lorentz force on charged particles in the magnetic field. The magnetic field strength of charged particles is distinguished by the strength of their magnetic properties in different magnetic fields. Tesla: 05

2023-09

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