Application: Industrial Use
Shape: Ring
Materials: Sintered NdFeB Magnet
Grade: N30H～N52H,N30SH～N48SH, N28UH～N50UH, N28EH～N48EH, N28AH～N45AH
Size:According to customer design
Ring magnet magnetized in Radial Direction is developed successfully which is using shaping method by new multipole radiation orientation, and meet different requirements of permanent motors. Fundamentally changed the past situation that radial ring magnet only relied on the magnetic tile assembly, greatly improve the performance of the motor.
② Quality Assurance
Each magnet is produced under strict quality control measures, ensuring they meet our high standards for performance and safety in all applications.
③ Dimensions
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Dimensions |
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Sketch |
Dimension |
Dimension |
Tolerance |
Coaxiality |
Cylindricity |
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OD |
20-75mm |
±0.05mm |
0.1 |
0.04 |
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ID |
15-68mm |
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T |
2-7mm |
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H |
5-50mm |
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Grade |
N30-N48,30M-45M,30H-42H,30SH-40SH,30UH-38UH,28EH-35EH |
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Coating |
NiCuNi, Epoxy etc. |
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Applications |
Robotics and Industrial Automatic Production Line etc. |
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④Advantages
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The advantages of Radial Ring Magnet |
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Assembly technique |
Less parts,simplify assembly process,easily realize automatic assembly. |
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Product Precision |
Outer Diameter Higher precision,Better Coaxiality and Verticality |
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Magnetization way |
Very flexible to choose different ways of magnetizing,include magnetizing poles and angles. |
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Safety |
Highly reliable,no risk of magnet peel off |
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Motor performance |
Very small air gap,motor has smoother operating performance with less noise and vibration. |
⑤ Magnetic properties
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Sintered NdFeB Magnetic Properties
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| Item | Grade | Remanence(Br) | (Hcb) | (Hcj) | (BH)max | Temperature | ||||
| kGS | T | kOe | kA/m | kOe | kA/m | MGOe | KJ/m³ |
L/D≥0.5(°C) |
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| N | N35 | 11.7-12.2 | 1.17-1.22 | ≥10.9 | ≥868 | ≥12 | ≥955 | 33-36 | 263-287 | ≤80 |
| N38 | 12.2-12.5 | 1.22-1.25 | ≥11.3 | ≥899 | ≥12 | ≥955 | 36-39 | 287-310 | ≤80 | |
| N40 | 12.5-12.8 | 1.25-1.28 | ≥11.4 | ≥907 | ≥12 | ≥955 | 38-41 | 302-326 | ≤80 | |
| N42 | 12.8-13.2 | 1.28-1.32 | ≥11.5 | ≥915 | ≥12 | ≥955 | 40-43 | 318-342 | ≤80 | |
| N45 | 13.2-13.8 | 1.32-1.38 | ≥11.6 | ≥923 | ≥12 | ≥955 | 43-46 | 342-366 | ≤80 | |
| N48 | 13.8-14.2 | 1.38-1.42 | ≥11.6 | ≥923 | ≥12 | ≥955 | 46-49 | 366-390 | ≤80 | |
| N50 | 14.0-14.5 | 1.40-1.45 | ≥12.0 | ≥955 | ≥11 | ≥876 | 48-51 | 382-406 | ≤80 | |
| N52 | 14.3-14.8 | 1.43-1.48 | ≥11.0 | ≥876 | ≥11 | ≥876 | 50-53 | 398-422 | ≤80 | |
| N54 | 14.5-15.0 | 1.45-1.50 | ≥11.0 | ≥876 | ≥11 | ≥876 | 52-55 | 414-438 | ≤70 | |
| M | 35M | 11.7-12.2 | 1.17-1.22 | ≥10.9 | ≥868 | ≥14 | ≥1114 | 33-36 | 263-287 | ≤100 |
| 38M | 12.2-12.5 | 1.22-1.25 | ≥11.3 | ≥899 | ≥14 | ≥1114 | 36-39 | 287-310 | ≤100 | |
| 40M | 12.5-12.8 | 1.25-1.28 | ≥11.6 | ≥923 | ≥14 | ≥1114 | 38-41 | 302-326 | ≤100 | |
| 42M | 12.8-13.2 | 1.28-1.32 | ≥12.0 | ≥955 | ≥14 | ≥1114 | 40-43 | 318-342 | ≤100 | |
| 45M | 13.2-13.8 | 1.32-1.38 | ≥12.5 | ≥995 | ≥14 | ≥1114 | 43-46 | 342-366 | ≤100 | |
| 48M | 13.7-14.3 | 1.37-1.43 | ≥12.9 | ≥1027 | ≥14 | ≥1114 | 46-49 | 366-390 | ≤100 | |
| 50M | 14.0-14.5 | 1.40-1.45 | ≥13.0 | ≥1033 | ≥14 | ≥1114 | 48-51 | 382-406 | ≤100 | |
| 52M | 14.3-14.8 | 1.43-1.48 | ≥13.1 | ≥1043 | ≥14 | ≥1114 | 50-53 | 398-422 | ≤100 | |
| H | 35H | 11.7-12.2 | 1.17-1.22 | ≥10.9 | ≥868 | ≥17 | ≥1353 | 33-36 | 263-287 | ≤120 |
| 38H | 12.2-12.5 | 1.22-1.25 | ≥11.3 | ≥899 | ≥17 | ≥1353 | 36-39 | 287-310 | ≤120 | |
| 40H | 12.5-12.8 | 1.25-1.28 | ≥11.6 | ≥923 | ≥17 | ≥1353 | 38-41 | 302-326 | ≤120 | |
| 42H | 12.8-13.2 | 1.28-1.32 | ≥12.0 | ≥955 | ≥17 | ≥1353 | 40-43 | 318-342 | ≤120 | |
| 45H | 13.2-13.7 | 1.32-1.37 | ≥12.3 | ≥973 | ≥17 | ≥1353 | 43-46 | 342-366 | ≤120 | |
| 48H | 13.7-14.2 | 1.37-1.42 | ≥12.5 | ≥995 | ≥17 | ≥1353 | 46-49 | 366-390 | ≤120 | |
| 50H | 14.0-14.5 | 1.40-1.45 | ≥12.6 | ≥1003 | ≥17 | ≥1353 | 48-51 | 382-406 | ≤120 | |
| SH | 35SH | 11.7-12.2 | 1.17-1.22 | ≥11.0 | ≥876 | ≥20 | ≥1592 | 33-36 | 263-287 | ≤150 |
| 38SH | 12.2-12.5 | 1.22-1.25 | ≥11.4 | ≥907 | ≥20 | ≥1592 | 36-39 | 287-310 | ≤150 | |
| 40SH | 12.5-12.8 | 1.25-1.28 | ≥11.8 | ≥939 | ≥20 | ≥1592 | 38-41 | 302-326 | ≤150 | |
| 42SH | 12.8-13.2 | 1.28-1.32 | ≥12.1 | ≥963 | ≥20 | ≥1592 | 40-43 | 318-342 | ≤150 | |
| 45SH | 13.2-13.8 | 1.32-1.38 | ≥12.3 | ≥979 | ≥20 | ≥1592 | 43-46 | 342-366 | ≤150 | |
| 48SH | 13.7-14.3 | 1.37-1.43 | ≥12.7 | ≥1011 | ≥20 | ≥1592 | 46-49 | 366-390 | ≤150 | |
| UH | 28UH | 10.4-10.8 | 1.04-1.08 | ≥9.6 | ≥764 | ≥25 | ≥1990 | 26-29 | 207-231 | ≤180 |
| 30UH | 10.8-11.3 | 1.08-1.13 | ≥10.2 | ≥812 | ≥25 | ≥1990 | 28-31 | 223-247 | ≤180 | |
| 33UH | 11.3-11.7 | 1.13-1.17 | ≥10.7 | ≥852 | ≥25 | ≥1990 | 31-34 | 247-271 | ≤180 | |
| 35UH | 11.7-12.2 | 1.17-1.22 | ≥10.8 | ≥860 | ≥25 | ≥1990 | 33-36 | 263-287 | ≤180 | |
| 38UH | 12.2-12.5 | 1.22-1.25 | ≥11.3 | ≥899 | ≥25 | ≥1990 | 36-39 | 287-310 | ≤180 | |
| 40UH | 12.5-12.8 | 1.25-1.28 | ≥11.8 | ≥939 | ≥25 | ≥1990 | 38-41 | 302-326 | ≤180 | |
| 42UH | 12.8-13.2 | 1.28-1.32 | ≥12.1 | ≥963 | ≥25 | ≥1990 | 40-43 | 318-342 | ≤180 | |
| 45UH | 13.2-13.8 | 1.32-1.38 | ≥12.3 | ≥979 | ≥25 | ≥1990 | 43-46 | 342-366 | ≤180 | |
| EH | 28EH | 10.4-10.8 | 1.04-1.08 | ≥9.8 | ≥780 | ≥30 | ≥2388 | 26-29 | 207-231 | ≤200 |
| 30EH | 10.8-11.3 | 1.08-1.13 | ≥10.2 | ≥812 | ≥30 | ≥2388 | 28-31 | 223-247 | ≤200 | |
| 33EH | 11.3-11.7 | 1.13-1.17 | ≥10.5 | ≥836 | ≥30 | ≥2388 | 31-34 | 247-271 | ≤200 | |
| 35FH | 11.7-12.2 | 1.17-1.22 | ≥11.0 | ≥876 | ≥30 | ≥2388 | 33-36 | 263-287 | ≤200 | |
| 38EH | 12.2-12 c | 1.22-1.25 | ≥11.3 | ≥899 | ≥30 | ≥2388 | 36-39 | 287-310 | ≤200 | |
| 40EH | 12.5-12.8 | 1.25-1.28 | ≥11.6 | ≥923 | ≥30 | ≥2388 | 38-41 | 302-326 | ≤200 | |
| 42EH | 12.8-13.2 | 1.28-1.32 | ≥11.7 | ≥931 | ≥30 | ≥2388 | 40-43 | 318-342 | ≤200 | |
| AH | 28AH | 10.4-10.8 | 1.04-1.08 | ≥9.9 | ≥787 | ≥33 | ≥2624 | 26-29 | 207-231 | ≤230 |
| 30AH | 10.8-11.3 | 1.08-1.13 | ≥10.3 | ≥819 | ≥33 | ≥2624 | 28-31 | 223-247 | ≤230 | |
| 33AH | 11.3-11.7 | 1.13-1.17 | ≥10.6 | ≥843 | ≥33 | ≥2624 | 31-34 | 247-271 | ≤230 | |
| 35AH | 11.7-12.2 | 1.17-1.22 | ≥11.0 | ≥876 | ≥33 | ≥2624 | 33-36 | 263-287 | ≤230 | |
| 38AH | 12.2-12.5 | 1.22-1.25 | ≥11.3 | ≥899 | ≥33 | ≥2624 | 36-39 | 287-310 | ≤230 | |
| 40AH | 12.5-12.8 | 1.25-1.28 | ≥11.6 | ≥923 | ≥33 | ≥2624 | 38-41 | 302-326 | ≤230 | |
⑥Coating
| Available Coatings of Sintered NdFeB Magnets | |||||
| Coating | Thickness | Color | PCT | SST | Characteristic |
| Zn | 4-8μm | Bright Blue | >24H~48H | Characteristic | |
| Colored 7n | 4-8μm | Shining Color | >48H~72H | Regular Protection,Applicable to most products | |
| NiCuNi | 10-20μm | Bright Silver | >48H~72H | >24H~72H | Excellent salt spray resistance |
| Electroless Nickel | 10-30μm | Bright Silver | >72H | >96H | Excellent humidity,heat &salt spray resistance |
| Black Nickel | 10-20μm | Bright Black | >72H | >48H~96H | heat &salt spray resistance |
| Sn | 10-25μm | Silver | >48H | >36H~72H | Excellent humidity,heat &salt spray resistance |
| E p o x y | 10-30μm | Black or Grey | >72H~108H | Excellent humidity,heat &salt spray resistance | |
| Phosphated /Passivation |
≤1μm | Dark Grey | ≤2.5H Emerge in 3NaCl liquor |
Temporary Protection | |
| Everlube | 8-20μm | Yellow | >72H | >96H | Excellent salt spray resistance,Excellent adhesion |
| Golden | 10-15μm | Golden | >48H | >12H | Good looking |
Notes: For different products,the salt spray test and PCT time varies with the shape and size of the product.
⑦ Production Flow
⑧ Magnetization
Our Service Advantages
Packaging and Delivery
At Future Magnetics, we ensure all our magnets are securely packaged using high-quality materials that protect them during transit. Packaging options vary by product type and customer requirements, including bulk packaging for industrial use and smaller packs for retail distribution. We offer reliable global shipping options, ensuring that products reach our customers efficiently and safely.
Supply Ability
Future Magnetics is equipped to handle large-scale production demands with an extensive manufacturing capability. We can produce significant quantities of magnets, meeting demands ranging from small batch orders to full-scale production runs, ensuring consistent supply and product availability.
Lead Time
The lead time for our products typically ranges from 2 to 6 weeks, depending on the order size and customization requirements. For standard products, we strive to expedite delivery and minimize wait times, while custom orders may require additional time for manufacturing and processing.
About US
Ningbo Future Magnetic Materials Co., Ltd. is a high-tech manufacturer specializing in the research and development, production and global distribution of rare earth permanent magnet materials and application products. Our commitment to research and innovation has established us as a leader in the magnetic materials industry.
Relying on strong R & D and production capacity, Ningbo Future Magnetic Materials Co., Ltd. can provide you with NdFeB rare earth permanent magnets and magnetic assemblies, and also customized services.
With rich management experience, our company provides customers with the ultimate experience from rare earth raw material control, production cost control, production management, quality control, logistics and transportation.
Our products have been widely used in industrial automation, robot motors, elevator traction motors, permanent magnet motors, power tools, voice coil motors, electroacoustic devices, magnetic separators and other fields.
Serving customers worldwide, we are dedicated to improving the functionality and efficiency of magnet applications that power modern life and drive future innovations.
FAQ
Who Are We?
We are Ningbo Future Magnetic Materials Co., Ltd., a high-tech manufacturer specializing in the research, development, production, and sales of rare earth permanent magnet materials and applications.
How Can We Guarantee Quality?
We guarantee quality through comprehensive raw material control, production management, and stringent quality control measures, ensuring all our products meet the highest industry standards.
What Can You Buy From Us?
You can purchase Neodymium magnets, various magnetic assemblies, and customized magnetic solutions tailored to specific industrial needs.
Why Should You Buy From Us and Not Other Suppliers?
Our deep industry expertise, combined with state-of-the-art technology and a commitment to customized service, allows us to provide superior magnetic solutions that enhance efficiency and performance in various applications.
What Services Can We Provide?
We offer end-to-end services from product design to logistics and transportation, ensuring each client receives tailored solutions that seamlessly integrate into their operations.
