These impressive big disc magnets combine the superior strength of rare-earth materials with expansive dimensions.
They offer unparalleled magnetic performance for applications that demand both size and pull force.
Our big neodymium disc magnets offer distinct advantages:
- Immense Magnetic Field: Generate powerful, far-reaching magnetic fields
- Substantial Pull Force: Capable of extreme lifting and holding capacities
- Expansive Surface Area: Ideal for large-scale magnetic separators and assemblies
- Impressive Flux Density: Maintain strong field strength across large diameters
- Thermal Stability: Larger volume provides enhanced heat dissipation
Precision Sintering for Massive Magnets:
1. Specialized large-scale mold preparation
2. High-volume neodymium alloy compaction
3. Controlled sintering process for uniform density across large discs
4. Precision grinding and surface finishing for flatness across extensive areas
5. Large-scale magnetization using industrial-grade equipment
1. Magnetic Grades
Available Grades:
- N35 to N54
Recommended for Large Discs:
- N40 to N48 for optimal balance of strength and stability
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 industrial applications
2. Dimensions
Diameter Range:
- Maximum: 300mm
- Thickness: Up to 60mm for magnetization possibility
Tolerance:
- Precision manufacturing for tight tolerances even on large scales
3. Surface Treatments
Standard:
- Heavy-duty Nickel-Copper-Nickel (Ni-Cu-Ni) triple layer plating
Specialized large-scale finishes:
- Industrial Zinc: Superior corrosion resistance for outdoor applications
- Durable Gold: Premium finish for large-scale aesthetics and conductivity
- Conductive Silver: Enhanced electrical properties for power applications
- Rugged Black Nickel: Sleek, modern look for visible large-scale installations
- Industrial PTFE: Non-stick, chemical-resistant barrier for processing equipment
- Heavy-Duty Epoxy: Extreme durability for harsh industrial environments
- Precision Parylene: Uniform coating for large, sensitive equipment
- Robust Passivation: Bare metal treatment for specific large-scale requirements
4. Magnetization Directions
Tailor the magnetic orientation to your large-scale needs:
- Axial: Through the thickness (standard for most large disc applications)
- Radial: Magnetic field perpendicular to the disc’s axis
- Diametric: Poles across the diameter for specialized large assemblies
5. Flexible Procurement
– No minimum order quantity, even for big magnets
– From single prototype to industrial-scale production
6. Quality Assurance
– RoHS compliant
– REACH adherent
– CE marked for relevant large-scale applications
– EMC tested for electromagnetic compatibility in industrial settings
– 100% individual large magnet flux density verification
7. Packaging
– Industrial-grade vacuum-sealed bags for bulk orders
– Individual protective casing for magnets over 50mm in diameter
– Custom crating solutions for safe transport of extremely large magnets
– Magnetic field shielding options for shipment compliance
Applications
Our Big Sintered Neodymium Disc Magnets excel in:
- Industrial-scale magnetic separators
- Large wind turbine generators
- MRI and NMR equipment
- Heavy-duty lifting and material handling systems
- Massive electric motors and generators
- Large-scale scientific research apparatus
- Industrial magnetic filtration systems
The Big Magnet Advantages
- Unmatched Strength:** Generate immense magnetic forces for heavy-duty applications
- Extended Range:** Create magnetic fields that reach further than smaller magnets
- Stability:** Large mass provides excellent resistance to demagnetization
- Versatility:** Suitable for a wide range of industrial and research applications
- Impressive Presence:** Make a statement in visible magnetic installations
- Scalable Power:** Achieve magnetic solutions that smaller magnets simply can’t match
No matter you’re designing industrial processing equipment, developing next-generation power systems.
Or pushing the boundaries of scientific research.
Our team is ready to help you harness the immense power of large-scale magnetism!
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