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High-energy N52 sintered NdFeB arc magnets for generator and wind turbine rotor assemblies
Optimized arc tile geometry for high-efficiency magnetic flux concentration
Custom curvature, pole arc, and coating solutions for industrial power systems
N52 arc segment neodymium magnets are engineered for high-efficiency wind turbine and permanent magnet generator (PMG) rotor systems. Manufactured from sintered NdFeB material, these magnets provide ultra-high magnetic energy density and optimized flux distribution for demanding industrial power applications.
| Parameter | Typical Value | Unit |
|---|---|---|
| Remanence (Br) | 14.2 – 14.8 | kGs |
| Coercivity (Hcb) | ≥ 10.8 | kOe |
| Intrinsic Coercivity (Hcj) | ≥ 12.0 | kOe |
| Maximum Energy Product (BHmax) | 50 – 52 | MGOe |
| Maximum Working Temperature | 80°C (Standard N Grade) | °C |
| Specification | Range | Notes |
|---|---|---|
| Outer Radius (R) | Custom | Based on rotor diameter |
| Inner Radius | Custom | Precision arc machining |
| Arc Angle | 5° – 180° | Per pole design |
| Thickness | 2 mm – 30 mm | Depends on magnetic flux requirement |
| Tolerance | ±0.05 – ±0.1 mm | Industrial-grade precision |
| Coating Type | Thickness | Salt Spray Resistance | Application |
|---|---|---|---|
| Ni-Cu-Ni | 15–21 μm | 24–48 hrs | General industrial use |
| Ni-Cu-Ni + Epoxy | 20–28 μm | 48–72 hrs | High humidity / offshore wind |
| Zinc (Zn) | 7–15 μm | 12–24 hrs | Cost-sensitive projects |
Radial magnetization means the magnetic field is oriented from the inner radius to the outer radius of the arc, commonly used in wind turbine rotors.
Yes, when combined with epoxy or multi-layer protective coatings, N52 arc magnets can perform reliably in marine environments.
Yes. Outer radius, inner radius, arc angle, thickness, coating, and magnetization direction can all be customized based on your rotor drawings.
Please provide outer radius, inner radius, arc angle, thickness, magnetization direction, operating temperature, coating requirement, and annual demand.
Need a technical quote or custom solution?
Contact Voyage Metal for engineering support and pricing.
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