Product Overview
High torque output Heat resistant u-shaped magnet is crafted from premium NdFeB material, offering outstanding remanence (Br), coercivity (Hcj), and maximum energy product (BHmax). It is an ideal choice for high-performance permanent magnet motors such as BLDC motors and wind turbine generators.
The precisely machined arc geometry ensures optimized magnetic flux distribution and seamless rotor integration, significantly boosting motor efficiency, torque density, and energy savings.
Key Advantages:
- Exceptional magnetic strength and compact energy density
- Consistent magnetic properties for automated assembly lines
- Durable Ni-Cu-Ni coating for superior corrosion and oxidation resistance
- Customizable in terms of pole pairs, arc angle, thickness, and coatings
Technical Specifications
|
Product Name |
heat resistant u-shaped magnets |
|
Magnet Grade |
N52 (Br ≥ 14.8 KGs, Hcj ≥ 10.5 KOe) - Customizable |
|
Dimensions |
D15 x d8 x H3 |
|
Tolerance |
±0.05 mm (Length, Width, Thickness) |
|
Operating Temperature |
≤ 80°C (Customizable high-temp versions available) |
|
Density |
≥7.5 g/cm³ |
|
Surface Magnetic Field |
2400 Gauss (Measured using Japan TM-801 Gauss meter) |
|
Magnetic Flux |
2.2 mWb (Measured; value varies by material grade) |
Appearance & Dimensional Inspection
Visual Inspection: Under standardized lighting, trained QC staff check for cracks, chipping, inclusions, pores, or oxidation.
Magnetic Flux Consistency Test: Fluxmeters or Hall-effect testers measure magnetic flux across batches to ensure uniform performance in end-user applications.
Application Fields
Industrial Automation Motors
Application Description:
Used as rotor poles in servo motors, robotic joint motors, and precision control motors.
Key Benefits:
Precise magnetic field control improves response speed and positioning accuracy
Enhanced energy efficiency with reduced heat generation and loss
Supports high-frequency, high-speed operation
Home Appliance Motors
Application Description:
Applied in motors for air conditioner compressors, direct drive (DD) washing machines, and inverter compressors in refrigerators.
Key Benefits:
Quiet operation enhances user comfort
Energy-saving performance meets energy efficiency certification standards
Compact size with high power output
Power Tools
Application Description:
Used in internal rotors of high-speed drills, electric saws, impact wrenches, and similar handheld tools.
Key Benefits:
High torque output improves work efficiency
Compact design for lightweight and easy handling
Prolonged battery life for better portability
Packaging & Transportation
Magnets are packed using protective materials and magnetic shielding when required, ensuring safety during storage and transportation. Customized packaging solutions are available for air, sea, and express shipments.
Why Choose Us ?
√ 20+ Years of Magnet Manufacturing Expertise – From concept to mass production
√ High Consistency Guaranteed – Batch-level QC with full magnetic test reports
√ Strong Customization Capabilities – Tailored shapes, coatings, and magnetization directions
√ Certified for Global Compliance – RoHS, REACH, and optional SGS/TÜV certificates
FAQ
Q1. How do you validate coating performance after machining or grinding?
Post-machining magnets undergo coating inspection, adhesion testing, and corrosion testing to ensure surface protection is not compromised.
Q2. How is internal stress evaluated after sintering?
Internal stress is evaluated indirectly through dimensional stability checks, microstructure observation, and mechanical testing.
Q3. How do you prevent edge chipping during handling and testing?
Preventive measures include chamfer design, protective fixtures, controlled handling procedures, and operator training.
Contact Us：
Phone/WhatsApp/WeChat: +86 13829120676
Email: Info@jinconn.com
Address: Xiaohe Industrial Zone, Daojiao Town, Dongguan City, Guangdong Province, China.
Hot Tags: heat resistant u-shaped magnets, China heat resistant u-shaped magnets manufacturers, factory
