Product Overview & Application Scenarios
This high quality ring magnet is designed for superior functionality in dynamic systems. Its circular geometry ensures balanced magnetic flux, stable rotation, and reduced mechanical stress during high-speed operations. In motor applications, the through-hole structure allows seamless integration with shafts, improving torque transmission and energy efficiency. The uniform magnetic field enhances performance, minimizes vibration, and supports long-term durability. Combining strong magnetic force with a precise ring design, this magnet is an ideal solution for modern motors requiring reliability and efficiency.
Technical Specifications
|
Product Name |
high quality ring magnets |
|
Magnet Grade |
N35 (Br ≥11.8 kGs, Hcj ≥12 kOe) |
|
Dimensional Tolerance |
+/-0.05 |
|
Operating Temperature |
≤80°C (High-temp versions available) |
|
Density |
≥7.5 g/cm³ |
|
Surface Magnetic Field |
3,500 Gs |
|
Magnetic Flux |
2.0 mWb (Fluxmeter-tested) |
Quality Inspection for Application-Critical NdFeB Magnets
Grade and coercivity verification based on operating temperature and load conditions
Magnetic flux and polarity inspection using application-specific fixtures
Dimensional control for tight assembly tolerances
Coating reliability inspection under thermal and mechanical stress considerations
Post-processing magnetic stability verification
FAQ
Q1. How is magnetic stability verified after coating and secondary processing?
Answer:Post-coating verification typically includes flux comparison before and after coating, adhesion testing, and optional thermal cycling. Excessive coating stress or thermal exposure during plating can cause partial magnetic loss if not properly controlled.
Q2. What are typical root causes of coating delamination in service?
Answer:Delamination is usually linked to poor surface activation, insufficient cleaning before plating, mismatched thermal expansion between coating layers, or excessive mechanical stress during assembly.
Q3. How do vibration and cyclic loading affect long-term magnet reliability?
Answer:While magnetic properties may remain stable, repeated vibration can propagate micro-cracks, leading to coating failure and corrosion ingress. Structural integrity and coating adhesion are therefore as important as magnetic parameters in dynamic applications.
Customization & Services
We offer comprehensive customization options, including:
- Tailored magnet dimensions, geometry, and surface coatings (layer structure, thickness, color)
- Precision-controlled magnetization orientation and adjustable field strength
- Laser marking for logos, serial numbers, and traceability
- Customized packaging and pull-force testing based on application needs
- With extensive expertise in magnetic materials, we deliver solutions for industries such as electric vehicles, smart manufacturing, and electronics. Our consistent quality and strong R&D support have earned the trust of customers worldwide.
Contact Us
Phone / WhatsApp / WeChat: +86 13829120676
Email: Info@jinconn.com
Address: Xiaohe Industrial Zone, Daojiao Town, Dongguan City, Guangdong Province, China
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