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After expanding our production capacity, UNMAG are increasing the warehouse of 1000 square mete...
After expanding our production capacity, UNMAG are increasing the warehouse of 1000 square mete...
Magnet Type: onded Compression Moulding NdFeB Magnet
Material Grade: N-2,BN-4,BN-6,BN-8,BN-10,BN-12
Working Temperature: 40~180°C
Surface Treatment: poxy,Nickel,Parylene...
Magnetization Direction: iametrical,Multi-poles..
Customization: cceptable
Bonded Ring Neodymium Magnet
As formed, these magnets achieve high dimensional accuracy and complex shaping.
These magnets are made by combining plastics with metal powder having a combination (Nd-Fe-B)
similar to that ofsintered neodymium magnets and then forming the mixture. Since the magnets
contain plastics,the magnetism is much lower. As formed, however, these magnets offer the
advantage of being processed into thin products with high dimensional precision and products
of complex shaping. Moreover, isotropic magnets are easily magnetized radially and can be
magnetized in many varieties as well. Their temperature characteristics are a little lower than those of
neodymium magnets, and are unsuited for use at 80°C or higher.
Advantages
Compression Bonded:
Higher Magnetic Strength due to higher magnetic particle density.
Epoxy Binder / Resistant to normal industrial solvents and automotive fluids
Epoxy Coat after manufacturing to prevent oxidation
Temperature Range -40c – 180c
“Tight” tolerances off tool
Good mechanical strength
Disadvantages
Requires tooling and mold costs
Piece price will be low only in high volume
Low magnetic properties
Different magnetized pattern:
Parameter Name | Unit | Value |
Density | g/cm³ | 4.0-6.5 |
Curie Temperature | ℃ | 300-350 |
Recoil Permeability | μrec | 1.2 |
Temperature Coefficient | %/℃ | -0.17 |
Hardness | Hv | 80-120 |
Resistivity | Ω.cm | 0.026 |
Compressive Strength | kgf/mm² | 3 |
Flexural Strength | kg/mm² | 25 |
Thermal Expansivity | 10-6/℃ | 1-2 |
Mixing |
Melting and quenching |
Coarse pulverization |
Resin mixing |
Forming |
Hardening |
Surface treatment(coating) |
Magnetization |
Existing Multipole rings simplify assembly verse arc sepments.
Regarding of magnetic properties of Bonded NdFeB Magnet, Please click here.
For your different application,different grade/series for your choice.
For more details,welcome to contact with our sales engineers. |