Product Overview & Application Scenarios
Premium quality high adhesive force cylindrical magnets, with their precision-crafted, tube-shaped design, offer exceptional strength and versatility across diverse industries. These strong magnetic force high adhesive force cylindrical magnets are essential in manufacturing, automotive, and electronics, meeting the rigorous demands of modern technology and industrial processes. Enhance your applications with the superior strength and durability of Jinconn's Tube Magnets.
Technical Specifications
|
Product Name |
high adhesive force cylindrical magnets |
|
Magnet Grade |
N35 (Br ≥11.8kGs, Hcj ≥12 kOe) |
|
Dimension |
N35-D10-D8*30 |
|
Dimensional Tolerance |
+/-0.05 |
|
Operating Temperature |
≤80°C (High-temp versions available) |
|
Density |
≥7.5 g/cm³ |
|
Surface Magnetic Field |
4,300 Gs |
|
Magnetic Flux |
2.0 mWb (Fluxmeter-tested) |
2.1 Performance Stability vs. Peak Performance
While peak magnetic strength is often highlighted, long-term performance stability is the key concern in real-world applications. For NdFeB magnets, actual operating conditions-such as continuous load, thermal cycling, and magnetic circuit interaction-have a greater impact on performance than laboratory-rated values alone.
Magnetic performance is evaluated not only by initial output, but also by long-term flux stability and resistance to irreversible loss
Proper grade and coercivity selection ensures stable operation under repeated temperature fluctuations and dynamic working conditions
Real application environments often differ significantly from laboratory test conditions; therefore, performance margins are designed based on actual operating scenarios, not theoretical limits
▼ By focusing on stability rather than peak specifications, NdFeB magnets can deliver reliable, predictable performance throughout their service life, reducing system risk and improving long-term reliability
Surface Treatment & Coating Technology
Surface Treatment & Coating Technology
To improve the long-term durability and functional stability of precision cylindrical magnets with high adhesive force, multiple surface and edge treatment processes are applied:
- Localized edge protection using nickel-alloy laser deposition to suppress galvanic corrosion at exposed interfaces
- Controlled edge profiling to stabilize magnetic field distribution and reduce localized flux disturbance
- Standard surface system Adopt multi-layer metallic coating with customizable options
- Typical coating structure consists of Ni (3 μm) / Cu (5 μm) / Ni (4 μm)
- Optional noble metal coatings, such as gold or silver, are available for applications requiring enhanced conductivity or chemical resistance
Customization & Services
- Custom magnet size, shape, and coating (layers, thickness, color)
- Tailored magnetization direction and field strength
- Laser engraving service for logos or serial numbers
- Packaging and suction force testing for special applications
FAQ
Q1. How should NdFeB magnets be stored for long-term stability?
NdFeB magnets should be kept in a dry, temperature-controlled environment, ideally at room temperature. They should be stored with spacers to prevent accidental attraction or breakage and kept away from corrosive substances. Long-term storage is safest when magnets remain in their original vacuum-sealed or moisture-barrier packaging to prevent oxidation.
Q2. Are neodymium magnets safe to use around electronic devices?
NdFeB magnets generate very strong magnetic fields, which can interfere with or damage electronics such as compasses, credit cards, magnetic storage drives, and certain sensors. While most modern devices have some protection, magnets should still be kept at a safe distance. For critical equipment-like medical devices or precision instruments-additional shielding or controlled separation is recommended.
Q3. Can NdFeB magnets be machined or drilled?
NdFeB magnets cannot be easily machined after sintering due to their extreme hardness and brittleness. Cutting or drilling without proper equipment may cause cracking, chipping, or demagnetization. Therefore, NdFeB magnets are typically manufactured in their final shape and size before magnetization. Any special holes, chamfers, or geometric features must be specified during production, not afterward
Contact Us
We're here to help!
Phone/WhatsApp/WeChat: +86 13829120676
Email: info@jinconn.com
Website: www.jinconnmagnet.com
Address: Xiaohe Industrial Zone, Daojiao Town, Dongguan City, Guangdong, China
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