High-Precision N45SH Neodymium Motor Magnet for Robotics & UAV
Brand: magnet forever
Product origin: china
Delivery time: 35 days
Supply capacity: 100000 pieces/month
【Superior Thermal Stability】: The SH grade ensures stable magnetic performance at temperatures up to 150°C (302°F), effectively preventing demagnetization in high-speed motor applications.
【Micron-Level Precision】: Advanced high-precision grinding technology with tolerances strictly controlled within ±0.02mm ensures dynamic balance during high-speed rotor operation.
【Ultra-High Coercivity】: N45SH features extremely high intrinsic coercivity, maintaining stable magnetic energy output even under complex alternating magnetic fields and high-temperature, high-pressure welding environments.
【Automotive-Grade Quality Assurance / IATF 16949 Certified】: Backed by 16 years of experience in sintered NdFeB manufacturing, we strictly follow automotive-grade quality control systems to ensure consistency across all batches.
【Advanced Coating】: Optional black epoxy or electroless nickel plating provides excellent resistance to salt spray and chemical corrosion, making it suitable for harsh operating conditions.
Product Specifcations
| Item | Small high strength neodymium disc | |
| Material | Sintered NdFeb | |
Grade & Workingtemperature | Grade | Max.Operating Temperature |
| N35-N48 | 80°C(176°F) | |
| N50-N52 | 60° C(160°F) | |
| 35M-50M | 100° C(212° F) | |
| 33H-48H | 120° C(248°F) | |
| 33SH-45SH | 150°C(302°F) | |
| 30UH-40UH | 180°C(356°F) | |
| 28EH-38EH | 200° C(392° F) | |
| 28AH-33AH | 220° C(428° F) | |
| Shape | Disc | |
| Coating | Ni,Ni-Cu-Ni,Zn,Ag.Expoxy,Passivated,etx | |
| Customize | OEM | |
This N45SH block magnet is a core component designed for modern intelligent drive systems. In Robot Joints and UAV Propulsion systems, motors often need to deliver extremely high torque within a very compact volume while generating significant heat. Magforever’s N45SH material optimizes the rare-earth composition, significantly enhancing thermal resistance and anti-demagnetization performance without sacrificing remanence (Br). It is an ideal choice for high-end BLDC motor rotors.
Application Scenarios
Industrial Robots: Servo motors for collaborative robots and SCARA robots.
Aviation UAVs: High-efficiency brushless motors for racing drones, logistics UAVs, and aerial photography drones.
High-Temperature Welding: Magnetic fixtures and jigs with strong, long-lasting holding force under high heat.
Precision Pumps & Valves: Magnetic pump couplings for medical devices and chemical industry applications.
Why Magforever?
16 Years of Industry Experience: Specializing in the R&D and manufacturing of high-performance sintered NdFeB magnets.
Full-Cycle Customization: One-stop solutions from magnetic simulation design to mass production.
Certified Quality System: ISO9001, ISO14001, IATF 16949, RoHS & REACH compliant.
Fast Prototyping: 3–7 day rapid sample support for R&D projects.
Customization Capabilities
We offer custom round neodymium disc magnets tailored to your specific size, grade, coating, and strength requirements. Each neodymium disc magnet is manufactured with precision using high-quality NdFeB magnet material, ensuring consistent high strength magnet performance for industrial, electronic, or DIY applications.
Our small disc magnets can be customized in diameter, thickness, and magnetic force to perfectly match your project needs. The round magnet design allows easy integration into assemblies, machinery, or craft applications. With corrosion-resistant coatings and strict quality control, these custom neodymium disc magnets deliver reliable durability and long-term performance.
Whether for prototyping, mass production, or specialized applications, our custom high strength neodymium magnets provide the flexibility and quality you need for efficient and precise magnetic solutions.
About Us
Our factory is equipped with advanced magnet production and testing equipment, including precision pressing machines, sintering furnaces, CNC cutting tools, and automated coating lines. Each NdFeB magnet undergoes rigorous inspection using flux meters, pull force testers, and dimensional measurement tools to ensure consistent high strength magnet performance and quality. This combination of modern production and quality control equipment guarantees reliable, uniform, and durable magnets for industrial, electronic, and custom applications.
Certifications
Packing And Shipping
