Experience the pinnacle of magnetic precision with our 28-pole sintered neodymium ring magnets.
These advanced magnetic components feature a remarkable 28 alternating poles around their circumference.
They offer unparalleled magnetic field complexity and control for cutting-edge applications.
Our 28-pole ring magnets represent the forefront of magnetic technology:
- Precision Field Pattern: 28 alternating North and South poles around the outer diameter
- High Spatial Resolution: Ideal for precise position sensing and control
- Smooth Rotation: Minimized cogging effect in motor applications
- Enhanced Magnetic Efficiency: Optimized field strength distribution
- Customizable Pole Count: 28-pole configuration standard, other options available upon request
Multipole Magnetization Process:
1. High-precision magnetizing fixture design
2. Advanced pulse magnetization techniques
3. Specialized equipment for uniform pole distribution
4. Rigorous quality control to ensure pole count and strength consistency
Customization Options
1. Magnetic Grades
Available Grades: N35 to N54
Recommended:
- N45 to N52 for optimal balance of strength and pole definition
Temperature Grades:
- Standard (80°C)
- H (120°C), SH (150°C), UH (180°C)
- EH (200°C), AH (220°C), TH (250°C) for high-temperature applications
2. Precision Dimensions
Outer Diameter:
- Minimum: 10mm (due to 28-pole configuration)
- Maximum: 300mm
Inner Diameter:
- Customizable based on application requirements
– Thickness: Up to 60mm
– Tolerance: As precise as ±0.02mm for critical dimensions
3. Surface Treatments
Standard:
- Nickel-Copper-Nickel (Ni-Cu-Ni) triple layer plating
Alternative finishes:
- Zinc: Enhanced corrosion resistance
- Gold or Silver: Premium finish with excellent conductivity
- Black Nickel: Sleek, modern aesthetic
- PTFE/Teflon: Non-stick, chemical-resistant barrier
- Epoxy: Robust protection for harsh environments
- Parylene: Ultra-thin, uniform coating for precision applications
- Passivation: Bare metal treatment for specific requirements
4. Flexible Ordering
– No minimum order quantity
– Prototype to high-volume production capabilities
5. Quality Assurance
– RoHS 3 compliant
– REACH adherent
– CE marked
– EMC tested
– 100% Pole count and strength verification
6. Specialized Packaging
– Custom-designed trays to maintain pole orientation
– Anti-static options for sensitive electronics
– Vacuum-sealed packaging for long-term storage
– Individual packaging for magnets over 50mm in diameter
Typical Applications
28-Pole Neodymium Ring Magnets excel in:
- High-precision rotary encoders
- Advanced electric motors and generators
- Magnetic levitation systems
- High-resolution position sensors
- Specialized scientific instruments
- Next-generation robotics
- Cutting-edge medical devices
The 28-Pole Advantage
- Unmatched Precision: 28 poles offer superior angular resolution
- Smooth Operation: Ideal for applications requiring minimal vibration
- Compact Power: High magnetic flux density in a small form factor
- Versatile Integration: Suitable for a wide range of rotary and linear systems
- Energy Efficiency: Optimized magnetic circuit design for maximum performance
- Customizable Strength: Various grades available to meet specific force requirements
Whether you’re developing next-generation sensors, high-efficiency motors, or pioneering new magnetic technologies.
Our team is ready to help you harness the power of multipole magnetization.
Contact our specialized magnet engineers today to discuss how we can tailor these advanced magnets for you!
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