Ring Neodymium Magnets
1. Materials: Rare Earth Neodymium-Iron-Boron, Ndfeb Magnet Ring;
1. Materials: Rare Earth Neodymium-Iron-Boron, Ndfeb Magnet Ring;
2. Technology: Utilizes new Sintered NdFeB magnet techniques and equipment such as Strip casting,
HDDR technology;
HDDR technology;
3. Magnetic properties:
a. High coercive force
b. (BH)max from 33 to 53MGOe,
c. max working temperature up to 230°C;
4. Grades: N33-N52,33M-48M,33H-48H,30SH-45SH,30UH-38UH, 30EH-35EH;
5. Shapes: Ring, or others;
6. Sizes: Out Dia x Inner Dia x Height, mm/inch, Customized;
7. Coatings: Ni, Zn, Epoxy, Ag, Gold, Copper, Chemical, Parylene, etc;
8. Applications: Sensors, motors, rotors, wind turbines/wind generators, loudspeakers, hooks,
magnetic holder, filters, automobiles,etc;
9. Parameters: Grade, Size(OD x ID x H. mm) or Drawing, Coating, Quantity, Etc.
10. Certification: ISO9001:2008
Characteristics :
10. Certification: ISO9001:2008
Characteristics :
* With strong Br Resident induction.
*Excellent demagnetization resistance capability.
*Good Price relative to its high magnetic properties.
*Coating is needed for Rare Earth Magnets
Applications: sensors, motors, rotors, wind turbine,wind generators, loudspeakers, magnetic hooks, filters automobiles, Toys, micro-special electric machinery, audio equipments, electronic industry, auto industry, magnetic transmission gears and magnet therapy equipment, sorption, ads, teaching tools and other office automation, magnet toys, aero generators, magnetic toys, magnetic separators, magnetic bracelets, magnetic necklaces, copiers, synchrotrons, radiation sources, free electron lasers, agriculture, detection earthquake, and so on.
Extremely powerful magnetic material OD = Outer Diameter ID = Inner Diameter The metal coating is durable, but ALL Neodymium magnets can chip or shatter. If used gently, these magnets can serve you for a lifetime.
The Physical Properties of Neodymium Permanent Magnete Super Strong Magneti Neodimio Rare Earth Aimant Neodyme:
Magnetizing:
Pictures of Neodymium Permanent Magnete Super Strong Magneti Neodimio Rare Earth Aimant Neodyme Ring:
Extremely powerful magnetic material OD = Outer Diameter ID = Inner Diameter The metal coating is durable, but ALL Neodymium magnets can chip or shatter. If used gently, these magnets can serve you for a lifetime.
The Physical Properties of Neodymium Permanent Magnete Super Strong Magneti Neodimio Rare Earth Aimant Neodyme:
| Parameters | Units | Indicators |
| Density | g/cm³ | ≥7.3 |
| Home temperature | ℃ | 310-340 |
| BrReversible temperature coefficient | ℃/% | -0.100~-0.130 |
| HcjReversible temperature coefficient | ℃/% | 0.40~0.70 |
| Compressive strength | N/mm2 | 1050 |
| Bending strength | N/mm2 | 250 |
| Tensile strength | N/mm2 | 80 |
| Webster Hardness | 600 | |
| Coefficient of thermal expansion(20 to 200℃) | 10-6/k | ∥5⊥-1.5 |
| Specific heat | J/(Kg.K) | 460 |
| Thermal conductivity | W/(m.K) | 9 |
| Resistivity | μΩ.cm | 150 |
Process of sintered NdFeB magnets
Magnetizing:
1.Thickness Magnetized
2.Axial magnetized
3.Diametral magnetized
4.Multi-poles magnetized
5.Radial magnetized
Pictures of Neodymium Permanent Magnete Super Strong Magneti Neodimio Rare Earth Aimant Neodyme Ring:
