Home> Products> Sintered Neodymium Mangets> Strong Rare Earth NdFeB Neodymium Magnets Block Ring
Strong Rare Earth NdFeB Neodymium Magnets Block Ring
Strong Rare Earth NdFeB Neodymium Magnets Block Ring
Strong Rare Earth NdFeB Neodymium Magnets Block Ring
Strong Rare Earth NdFeB Neodymium Magnets Block Ring
Strong Rare Earth NdFeB Neodymium Magnets Block Ring
Strong Rare Earth NdFeB Neodymium Magnets Block Ring
Strong Rare Earth NdFeB Neodymium Magnets Block Ring
Strong Rare Earth NdFeB Neodymium Magnets Block Ring
Strong Rare Earth NdFeB Neodymium Magnets Block Ring

Strong Rare Earth NdFeB Neodymium Magnets Block Ring

Payment Type:T/T,Others

Incoterm:FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery

Transportation:Ocean,Land,Air,Express,Others

Port:Guangzhou,Shenzhen,Ningbo

Product Description
Product Attributes

BrandYB

Place Of OriginChina

SpeciesPermanent

CompositionRare Earth Magnet, Ferrite Magnet, Neodymium Magnet, Plastic Magnet, Ndfeb Magnet, Alnico Magnet, Rubber Magnet

ShapeBall, Coil, Block, Cup Shape, Strip, Stick, Bar, Pot / Cup Shape, Sheet

ApplicationIndustrial Magnet

Tolerance±1%

Processing ServiceBending, Welding, Decoiling, Cutting, Punching, Moulding

Product NameNdFeB Neodymium Magnets

Material GradeN25,N28,N30,N32,N35,N38,N40

Surface CoatingNiCuNi, Zn, gold, epoxy

Working Temperature80-250℃

BrandYB

Quality CertificatesISO9001

CertificatesCE,ROHS,MSDS

Delivery Time7-15 days

Supply Ability & Additional Information

Packagingcarton packge and packed in metal box

Productivity30000000pcs per month

TransportationOcean,Land,Air,Express,Others

Place of OriginChina

Supply Ability30000000pcs per month

CertificateISO9001

HS Code8505190090

PortGuangzhou,Shenzhen,Ningbo

Payment TypeT/T,Others

IncotermFOB,CFR,CIF,EXW,DDP,DDU,Express Delivery

Packaging & Delivery
Selling Units:
Piece/Pieces
Package Type:
carton packge and packed in metal box
Picture Example:
Download
Neodymium Magnets Package



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.

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