Neodymium magnets, Sintered NdFeB(Neodymium-Iron-Boron) rare earth magnets are the strongest magnets in the world up to date, with high flux density and high coercivity, the range of energy product is 26--54MGOe. neodymium ring magnet are anisotropic and only magnetized in one direction.
Widely used in Motors, Separators, lifting, sensors, loudspeakers, MRI, VCM, and other electronics, automation systems.
Descriptions of neodymium ring magnet:
Descriptions of neodymium ring magnet:
1. Produced by powder metallurgical method with chemical composition of Nd2Fe14B;
2. Excellent cost to performance ratio;
3. Reasonable temperature stability;
4. Very brittle & hard;
5. High resistance to be demagnetized;
6. Poor corrosion resistance to be corrupted;
7. Not suitable for application which is exposed in high temperature conditions.
Pictures of neodymium ring magnet
Pictures of neodymium ring magnet
8. Ring magnets have the following important factors such as Outer Diameter, Inner Diameter, Height, etc
10. Tolerance: ±0.05mm, Customized;
Ring | Outer Dia | Inner Dia | Thickness |
Maximum | 220mm | 80mm | 35mm |
Minimum | 1mm | 0.6mm | 0.5mm |
11. Coatings of neodymium ring magnet: Passivation, Nickel, Zinc, Tin, Aurum, Copper, Epoxy, Chemical, etc.
12. Applications of neodymium ring magnet: Toys, Packing boxes, Micro-special electric machinery, Permanent-magnet instrumental meters, Electronic industry, Nuclear magnetic resonance equipments, Magnetic suspension system, Magnetic transmission gears, Magnet therapy equipment, Sorption, ads, Books managements, Teaching tools, Office automation , Magnetic separators, Copiers, Synchrotrons, Radiation sources, Nuclear industry, Agriculture industrial, Detection earthquake, and so on.
Surface | Coating | Thickness (Microns) | Color | Resistance |
Passivation | 1 | Silver grey | Temporary protection | |
Nickel | Ni+Ni | 10-20 | Silver bright | Excellent to humidity |
Ni+Cu+Ni | ||||
Zinc | Zn | 8-20 | Shining light blue | Good to salt spray |
Cu-Zn | Shining color | Excellent to salt spray | ||
Tin | Ni+Cu+Sn | 15-20 | Silver | Superior to humidity |
Aurum | Ni+Cu+Au | 10-20 | Shining gold | Superior to humidity |
Copper | Ni+Cu | 10-20 | Shining gold color | Temporary treatment |
Epoxy | Ni+Cu+Epoxy | 15-25 | Black, red, grey color | Excellent to climate humidity and salt spray |
Zn+Epoxy | ||||
Chemical | Ni | 10-20 | Silver grey | Excellent to humidity |
Payment Terms:
We accept TT & western union & L/C.
We accept TT & western union & L/C.
Shipping:
1.Terms of Shipment:
By sea, by air, by express courier to the world, Before ordering please contact us to confirm your preferred shipment method.
1.Terms of Shipment:
By sea, by air, by express courier to the world, Before ordering please contact us to confirm your preferred shipment method.
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Customer satisfaction is very important to us. If you are satisfied with the items you ordered, please leave feedback. If you are not satisfied with the items you ordered, please contact us before leaving negative feedback. We can work together to resolve any dispute.