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China's neodymium iron boron industry has completed technological accumulation and is accelerating technological innovation Sintered neodymium iron boron magnets are produced through powder metallurgy technology, with approximately 16 main production steps. Among them, raw material preparation (type of magnetic powder, raw material cost), sintering process, surface treatment, annealing, and post-treatment all significantly affect the performance of the magnets. These main links are also the main direction for the rapid progress of China's neodymium iron boron permanent magnet industry.Firstly, in terms of magnetic powder preparation and raw material ratio, China has successively broken through processes such as hydrogen explosion powder production and dual alloy ratio, solving the internal generation of alpha in the melting of neodymium iron boron ingots caused by the decrease in rare earth element ratio during the traditional neodymium iron boron firing process- Fe precipitation leads to a decrease in the content of Nd2Fe14B, which affects subsequent powder making, sintering, and post-treatment, thereb: 12

2023-12

Introduction to specifications, dimensions, and materials of magnetic tiles for 130 DC motor motors 130 DC motor magnetic tile is a widely used magnetic tile product, with different materials depending on the customer. It mainly uses neodymium iron boron material, ferrite material, and bonded neodymium iron boron material. The central magnetic force of bonded neodymium iron boron can reach about 1000 Gauss, which is about 20% higher than that of wet pressed magnetic tiles.Introduction to the specifications of 130 DC motor magnetic tiles;They are all 130 DC motor magnetic tiles, and there may be slight differences in size. Common specifications include R9.6 * r6.9 * W14 * h13, R9.6 * r6.9 * W14 * H12 * t2.8, and (R10-r8) * 14 * 13, where 14 represents chord length and 13 represents height, etc.The above is an introduction to the specifications, dimensions, and materials of 130 DC motor magnetic tiles. If you have a quotation for magnetic tiles, please feel free to make samples, or if you are interested in mold making, please feel free to contact us.: 12

2023-12

How to choose between sintered bonding and hot pressed neodymium iron boron in procurement? According to different production processes, neodymium iron boron permanent magnet materials can be divided into three types: sintering, bonding, and hot pressing. Today, we will talk about the competition and advantages among these three types of neodymium iron boron.Competition and advantages among the three major neodymium iron boronSintered neodymium iron boron, bonded neodymium iron boron, and hot pressed neodymium iron boron can have common application areas, mainly manifested in micro electric motor products, so there is competition. However, their subtle absolute advantages also make them occupy their own unique applications.Comparison of Three Major Neodymium Iron BoronsSintered neodymium iron boron flake and tile shaped products (neodymium iron boron strong magnetic tiles) are easy to manufacture and process, thus having batch and cost effects; Bonded neodymium iron boron is skilled in the manufacturing of complex shaped (irregular) products, which can be said to be unique. H: 12

2023-12

The Earth is essentially a huge magnet The Earth is essentially a huge magnet with corresponding magnetic north and south poles, thanks to our molten iron outer core. The teardrop shaped magnetic field generated by the Earth is flattened by the solar wind, known as the magnetosphere, ensuring the operation of our compass, providing brilliant aurora, and even protecting us from harmful cosmic radiation. This is crucial for protecting the atmosphere that we long for.Magnetized particles in lava on the Earth's surface record the direction of our planet's magnetic field. According to National Geographic, this is how scientists can distinguish between the changes in Earth's magnetic poles over time and the gradual movement of tectonic plates where we live.In recent years, the changes in the Earth's magnetic poles have been accelerating. Some studies have shown that their annual driving speed is as fast as 35 miles. This may disrupt the navigation system and cause trouble for travelers.Our obsession with magnetism: 12

2023-12

How does a magnet work? Magnetism is the force exerted by magnets - objects that repel or attract each other. This powerful physical phenomenon is a component of electromagnetics and one of the fundamental forces of nature.The motion of charged particles found in all substances releases electric currents that generate magnetic fields. These particles become tiny magnets, each with a North and South pole. Technically speaking, all matter is influenced by the magnetic force that permeates our universe. According to the BBC, some of these impacts are more pronounced than others.Usually, the magnetic field generated by these particles is random, which means their North and South poles cancel out each other. Some objects - from large chunks of iron ore to letter magnets stuck to refrigerators - have magnetic fields arranged in the same direction. According to Live Science, as the velocity of these charged particles increases, the magnetic field of these objects becomes stronger.Magnetic force is a mysterious force: 11

2023-12

How is a magnet made Material preparation: Select appropriate magnetic materials, such as iron oxide and cobalt. These materials need to be finely purified and processed to ensure their purity and crystallinity.Mixing and melting: Mixing magnetic materials with other appropriate additives (such as carbon or titanium) to form the raw material for magnets. These raw materials are usually provided in powder form. Then, heat the raw materials to a high temperature to melt them.Forging and forming: Pour molten raw materials into pre prepared molds. The shape of the mold determines the shape and size of the final magnet produced. After cooling and solidification in the mold, a preliminary shaped magnet was obtained.Magnetization: Magnetizing a preliminary shaped magnet. This step can be achieved through various methods, such as using a powerful electromagnetic stone or exposing the magnet to a constant magnetic field. After magnetization, the magnet will gain long-lasting magnetism.Processing and processing: Pro: 11

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