Radial Magnetized Bonded NdFeB Ring Magnets For Stepping Motor
Bonded Neodymium Magnet is a 12-pole magnet manufactured with injection bonded technology. This permanent magnet is made of Neodymium Iron Boron (NdFeB) material, the most powerful permanent magnet material available today. Available in various shapes including disc, block, cylinder, and ring with ±0.05mm tolerance. Operates effectively in temperatures up to 120°C.
| Parameter | 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 |
Available in multiple grades with varying magnetic properties to suit different application requirements. Please contact us for detailed grade-specific magnetic characteristics including Remanence (Br), Coercivity (Hcb), and Maximum Energy Product (BH max).
- Motor applications: Spindle motors, stepping motors, synchronous motors, DC motors, brushless motors
- Wind turbine components
- Medical equipment including MRI machines and prosthetic devices
- Consumer electronics: speakers, headphones, mobile devices
- Educational tools and toys
- Automotive components
UNMAG provides custom-made bonded neodymium magnets using injection-bonded technology, enabling creation of 12-pole magnets. Available in various shapes (disc, block, cylinder, ring) with epoxy or parylene coating.
Magnets are securely packaged in cardboard boxes with foam inserts. Available for shipping via air, ground, or sea freight depending on order size and quantity.
Comprehensive technical support available including product installation guidance, maintenance advice, and troubleshooting assistance. Our team provides 24/7 support for all technical inquiries.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.