N52 Ring Magnets
N52 ring magnets are a specific type of neodymium (NdFeB) magnets, which are some of the strongest permanent magnets available. The "N52" grade refers to the highest magnetic energy product currently available for neodymium magnets, indicating that these magnets have a very strong magnetic field.
Product Description
What Are N52 Ring Magnets?
N52 ring magnets are high-strength neodymium magnets in a ring shape, classified by their N52 grade, the highest commercial grade available. These magnets exhibit superior magnetic properties, making them a popular choice for industrial, scientific, and consumer applications.
Detailed Product Description
|
Grade: |
N52 |
Shape: |
Ring |
|
Finish: |
NiCuNi Coated, or Zinc, Black Epoxy |
Br: |
50~53 MGOe |
|
Max. working Temp.: |
80 Celsius Degree |
Export Port: |
Xiamen, China |
Featurs of N52 ring magnets
- Exceptional Strength – N52 neodymium magnets possess a maximum energy product (BHmax) of 52 MGOe, the highest among standard neodymium grades.
- Compact and Efficient – Their high magnetic strength enables powerful performance even in small sizes.
- Ring Shape Benefits – The hollow center provides unique applications, such as improved assembly options and reduced weight.
- Durable Coating – Usually coated with nickel-copper-nickel (Ni-Cu-Ni) for enhanced corrosion resistance and durability.
- High Temperature Limit – N52 magnets typically operate effectively up to 80°C (176°F) but may require special coatings or materials for higher temperatures
Besides N52, Please check more Porperty for other Grade neodymium magnets.
| Grade | Br mt(KG) | Hcb Koe(KA/m) | iHc Koe(KA/m) | (BH)max KJ/m3 (MGOe) | TW℃ |
| N35 | 1170-1210(11.7-12.1) | ≧10.8(≧860) | ≧12(≧955) | 263-287(33-36) | 80 |
| N38 | 1210-1250(12.1-12.5) | ≧10.8(≧860) | ≧12(≧955) | 287-310(36-39) | 80 |
| N40 | 1250-1280(12.5-12.8) | ≧11.6(≧923) | ≧12(≧955) | 302-326(38-41) | 80 |
| N42 | 1280-1320(12.8-13.2) | ≧11.6(≧923) | ≧12(≧955) | 318-342(40-43) | 80 |
| N45 | 1320-1380(13.2-13.8) | ≧11.0(≧876) | ≧12(≧955) | 342-366(43-46) | 80 |
| N48 | 1380-1420(13.8-14.2) | ≧10.5(≧835) | ≧12(≧955) | 366-390(46-49) | 80 |
| N50 | 1380-1450(13.8-14.5) | ≧10.5(≧835) | ≧12(≧955) | 474-406(47-51) | 80 |
| N52 | 1430-1480(14.3-14.8) | ≧11(≧836) | ≧12(≧955) | 474-406(50-53) | 80 |
SIX Common Applications of N52 Ring Magnets
Due to their exceptional strength and ring shape, N52 ring magnets are widely used in:
- Motors and Generators – Used in brushless DC motors and high-efficiency generators.
- Magnetic Couplings – Ideal for contactless torque transfer in mechanical systems.
- Magnetic Bearings – Provide frictionless rotation in various machinery.
- Magnetic Sensors – Enable precision sensing in industrial automation.
- Loudspeakers – Enhance sound performance in high-fidelity speaker systems.
- Jewelry and DIY Projects – Used in crafts, accessories, and innovative designs.
How is a Ring Neodymium Magnet Used in Car Motors?
- Ring neodymium magnets play a crucial role in car motors, particularly in brushless DC (BLDC) motors and permanent magnet synchronous motors (PMSMs). These high-performance magnets are embedded in the rotor to generate a strong magnetic field, which interacts with the stator's electromagnetic coils to produce rotational motion. The powerful magnetic force of neodymium ensures higher torque, energy efficiency, and compact motor designs.
- In electric vehicles (EVs) and hybrid cars, ring neodymium magnets help improve motor performance by reducing energy loss and increasing power output. Their high coercivity and temperature resistance make them ideal for demanding automotive applications. Additionally, their precision-engineered shapes allow for smooth and efficient rotation, contributing to the overall efficiency and durability of the vehicle's motor system.
Below is an illustration of how ring neodymium magnets are positioned in car motors:
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FAQ
Q : Which is stronger N35 or N52 magnet?
A: There are eight different standard grades of neodymium magnets typically used in commercial applications today ranging from N35 to N52. Neodymium magnets are graded by their maximum energy product (BH)max with N52 grade neodymium providing the greatest magnetic performance and N35 being the weakest.
Q: How long do N52 magnets last?
A: Giant neodymium magnets can last a very long time, but their lifespan can vary depending on several factors. In general, they can last for decades, but their lifespan will depend on their use and the conditions they are exposed to.
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