Advantages
- High Coercivity & Strong Demagnetization Resistance
Ensures stable torque output under high reverse magnetic fields.
- Uniform Density Achieved by Optimized Tooling Design
Guarantees consistency across all arc segments.
- Radiation Magnetic Orientation
Provides higher magnetic utilization efficiency inside the motor.
- Low Cost but Stable Performance
Ideal for starter motors, brushless motors, and industrial motors.
- Advanced Powder & Sintering Process
Fine, narrow particle distribution ensures high Br and Hcj.
- Custom Dimensions & Magnetic Grades Available
Technical Specifications
| Parameter | Value / Custom |
|---|---|
| Br (Residual Flux Density) | 390–420 mT |
| Hcb (Coercive Force) | 300–350 kA/m |
| Hcj (Intrinsic Coercivity) | 320–360 kA/m |
| BHmax | 28–32 kJ/m³ |
| Density | 4.8–5.0 g/cm³ |
| Orientation | Radial / Parallel |
| Material | Hard Ferrite (SrO·6Fe2O3) |
| Working Temp | 250°C Max |
- Electric Motors
- Starter Motors
- BLDC Motors
- Household Appliances
- Industrial Drives
- Custom Dimensions: We offer customized radians, thicknesses, and diameters based on motor design requirements, ensuring a precise match with the motor structure.
- Custom Magnetic Properties: We can adjust the remanence (Br), coercivity (Hci), and energy product ((BH)max) to suit different application requirements and loads and operating conditions.
- Prototype and Small-Batch Production: We support small-batch production and sample testing to help customers verify design and performance, ensuring quality control before mass production.
Why Choose Us
Strong Expertise in Ferrite Motor Magnets
Over 20 years of experience in ferrite material engineering and motor-grade magnet production.
Advanced Processing Technology
From powder preparation to tooling optimization, we ensure high coercivity, strong anti-demagnetization performance, and stable magnetic flux.
High Consistency & High Reliability
Uniform density, precise orientation, and strict sintering control guarantee consistent performance for every arc segment.
Flexible OEM / ODM Service
Custom shapes, orientations, and grades available for various electric motor designs.
FAQ
What is a ferrite arc segment for electric motors?
It is a permanent magnet made from ferrite material in an arc shape, used in the rotors or stators of electric motors to enhance magnetic efficiency and motor performance.
What are the primary advantages of ferrite arc segments?
Ferrite arc segments are cost-effective, offer stable magnetic properties, are resistant to corrosion, and are customizable in terms of size, shape, and magnetic strength to suit various motor designs.
Can ferrite arc segments be customized?
Yes, ferrite arc segments can be customized in size, arc angle, thickness, and magnetic properties to meet specific motor application requirements.
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