Payment Type:T/T,Others
Incoterm:FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery
Transportation:Ocean,Land,Air,Express,Others
Port:Guangzhou,Shenzhen,Ningbo
$0.0210000-99999Piece/Pieces
$0.01≥100000Piece/Pieces
Brand: YB
Place Of Origin: China
Species: Permanent
Composition: Rare Earth Magnet, Ferrite Magnet, Neodymium Magnet, Plastic Magnet, Ndfeb Magnet, Alnico Magnet, Rubber Magnet
Shape: Ball, Coil, Block, Cup Shape, Strip, Stick, Bar, Pot / Cup Shape, Sheet
Application: Industrial Magnet
Tolerance: ±1%
Processing Service: Bending, Welding, Decoiling, Cutting, Punching, Moulding
Product Name: NdFeB Neodymium Magnets
Material Grade: N25,N28,N30,N32,N35,N38,N40
Surface Coating: NiCuNi, Zn, gold, epoxy
Working Temperature: 80-250℃
Brand: YB
Quality Certificates: ISO9001
Certificates: CE,ROHS,MSDS
Delivery Time: 7-15 days
Packaging: carton packge and packed in metal box
Productivity: 30000000pcs per month
Transportation: Ocean,Land,Air,Express,Others
Place of Origin: China
Supply Ability: 30000000pcs per month
Certificate: ISO9001
HS Code: 8505190090
Port: Guangzhou,Shenzhen,Ningbo
Payment Type: T/T,Others
Incoterm: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery
What's Neodymium Magnets?
Neodymium magnets are a type of Permanent Magnet made from an alloy of neodymium, iron, and boron. They are the strongest commercially available magnets and have a very high magnetic field strength. Neodymium magnets are used in a wide range of applications, including electric motors, generators, magnetic resonance imaging (MRI) machines, magnetic separators, and various consumer electronics such as headphones, speakers, and hard disk drives. They are also commonly used in magnetic therapy and as fasteners in jewelry and clothing accessories.
The main components of NdFeb magnets? The main components of NdFeB magnets are: 1. Neodymium (Nd): It is a rare earth element and the key component of NdFeB magnets. Neodymium provides the high magnetic strength and is responsible for the strong magnetic properties of these magnets. 2. Iron (Fe): Iron is another important component of NdFeB magnets. It helps in enhancing the magnetic properties and stability of the magnets. 3. Boron (B): Boron is added to the neodymium-iron mixture to increase the magnetic strength and improve the temperature stability of the magnets. 4. Dysprosium (Dy): Dysprosium is often added in small amounts to NdFeB magnets to enhance their resistance to demagnetization at high temperatures. 5. Other trace elements: Small amounts of other elements like cobalt (Co), aluminum (Al), and copper (Cu) may also be added to improve the magnetic properties or enhance the corrosion resistance of the magnets. These components are mixed together and then subjected to a process called sintering, where the mixture is heated at high temperatures to form a solid magnet with a crystalline structure.
The production of Neodymium Magnet?
The production of neodymium magnets involves several steps:
1. Raw Material Preparation: The process starts with the preparation of raw materials, which include neodymium oxide, iron, and boron. These materials are carefully measured and mixed in specific ratios to achieve the desired magnetic properties.
2. Melting and Casting: The mixed raw materials are then melted in a furnace at high temperatures to form a molten alloy. This alloy is then cast into ingots or blocks, which are solidified and cooled.
3. Milling and Grinding: The cast ingots are crushed into small particles using a milling machine. The particles are then ground into a fine powder to enhance their magnetic properties.
4. Pressing: The neodymium powder is pressed into the desired shape using a hydraulic press. The pressing process helps to align the magnetic particles in a specific direction, which is crucial for the magnet's performance.
5. Sintering: The pressed magnets are then sintered in a furnace at high temperatures. Sintering involves heating the pressed powder to a temperature just below its melting point, allowing the particles to fuse together and form a solid magnet.
6. Machining and Coating: After sintering, the magnets may undergo machining processes to achieve the desired shape and dimensions. This may involve cutting, grinding, or drilling. Additionally, a protective coating is applied to prevent corrosion and enhance the magnet's durability.
7. Magnetization: The final step in the production process is magnetization. The magnets are subjected to a strong magnetic field to align the magnetic domains within the material, thereby enhancing their magnetic strength.
It is important to note that neodymium magnets are highly powerful magnets and require careful handling due to their strong magnetic fields.
If you also need Ferrite Permanent Magnets,Multipole Ferrite Ring Magnet,Ferrite Disk Magnets,feel free to contact us.