customized precision machined compact extra strength Sintered nickel coating Neodymium Cylinder Magnets

1. Product Overview & Application Scenarios

Experience unmatched magnetic power with our customized precision machined premium quality heat resistant compact extra strength Sintered nickel coating Neodymium Cylinder Magnets , meticulously engineered for industrial, technological, and precision applications. Manufactured using advanced sintering technology and the highest grade rare earth materials, this customized high adhesive force precision machined compact extra strength stable Sintered nickel coating Neodymium Cylinder Magnet delivers exceptional magnetic force, tight dimensional tolerances, and long-term durability in even the most demanding environments.

Key Features & Advantages:

✅ Super Strong Magnetic Strength
Constructed from premium-grade NdFeB (Neodymium-Iron-Boron), this magnet offers one of the highest energy products in the industry—ideal for high-efficiency applications requiring compact yet powerful magnetic force.

✅ High Coercivity & Remanence
Designed to retain magnetism under extreme conditions, it provides excellent coercive force and remanent magnetization, reducing demagnetization risk in high-speed motors or precision instruments.

✅ Precision Cylindrical Shape
CNC-machined to tight tolerances with a smooth round surface, ensuring a perfect fit for housings, shafts, sensors, and rotating systems where alignment and balance are critical.

Application Scenarios

Motors & Drives

Brushless DC Motor (BLDC) Rotor

Miniature Motor / Servo Motor Magnet Rings

Wind Turbine or Power Tool Motors

High-Frequency Motor Magnet Assembly

✅ Key Advantages:
High coercivity and high remanence for enhanced power density and fast response in motor systems.

Magnetic Fixtures & Holding Systems

Precision Positioning Fixtures

Magnetic Base Hold-Down Posts for Work Platforms

Magnetic Guide Rail Clamping Structures

✅ Key Advantages:
Compact design, strong holding force, reusable structure—reduces manual operation time and increases efficiency.

 Magnetic Couplings & Gearings

Sealless Pump / Magnetic Pump Systems

Contactless Rotary Drives

Magnetic Transmission Structures in Automated Equipment

✅ Key Advantages:
Stable magnetic coupling and frictionless rotation, ideal for cleanroom or sealed system applications.

2. Technical Specifications

- Product Name: customized precision machined compact extra strength Sintered nickel coating Neodymium Cylinder Magnets

- Magnet Grade: N52 (Br ≥14.2 kGs, Hcj ≥12 kOe)

- Dimension: D2x4mm

- 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)  

3. Surface Treatment & Coating Technology

To enhance this customized high torque energy efficient fast response precision machined compact extra strength Sintered nickel coating Neodymium Cylinder Magnet ’s corrosion resistance, surface quality, and magnetic stability, the following treatments are used:

Edge Reinforcement: Laser cladding with nickel-based alloy at magnet seams (prevents electrochemical corrosion)

Edge Rounding: Reduces magnetic field distortion

Default Coating: Triple layer Ni-Cu-Ni (customizable)

Standard Thickness: Ni (3μm) + Cu (5μm) + Ni (4μm)

Optional Coatings: Gold or silver plating for better conductivity and corrosion resistance

4. Reliability Testing

Impact & Vibration Test: Simulates shipping and usage conditions to ensure operational stability.

Constant Temperature & Humidity Test: Performed under 85°C and 85% RH for 96–500 hours. Performance and appearance are compared before and after testing.

Damp Heat Test: Evaluates resistance to high humidity and corrosion

5. Packaging & Transportation

Defect Elimination: 100% inspection using calipers, projectors, visual checks, and automated systems to reject cracked, chipped, oxidized, or coated-defective magnets.

Uniform Magnetization & Structured Arrangement: Magnets are uniformly magnetized and arranged for optimal packaging based on customer requirements to ensure performance and facilitate automated assembly.

Vacuum Sealed Packaging: Multi-layer vacuum sealing with moisture barriers, desiccants or nitrogen, prevents corrosion and magnetic interference during storage and shipping.

Customized Outer Packaging: Shock-proof, moisture-resistant, and anti-magnetic leakage packaging (e.g., multilayer cartons, plastic boxes, metal shielding) ensures compliance with international logistics standards. Each box includes a product list, labels, and tracking codes.

6. Why Choose us ？

Dongguan Jinconn New Material Holdings  Co., Ltd. is a publicly listed enterprise offering integrated R&D, manufacturing, and sales of rare earth magnets. Based in Xiaohe Industrial Zone, Daojiao Town, Dongguan, we serve clients across China and globally.

⭐20+ years of magnet manufacturing expertise

⭐Strict quality control & customization capability

⭐Multilingual technical support with global delivery

⭐RoHS and REACH compliant

7.  Usage Precautions？

⚠ Safety & Handling Guidelines

Handle with care: Neodymium magnets are brittle and can chip or crack if dropped or impacted.

Avoid injury: Always slide magnets apart—do not force or pry them to separate.

Check polarity before use: Incorrect installation may cause malfunction or damage to equipment.

Store properly: Keep in a dry, neutral environment; avoid contact with moisture, acids, or corrosive substances.

Keep away from sensitive electronics: Do not place near hard drives, magnetic cards, pacemakers, or similar devices.

8. Customization & Services

Customizable magnet dimensions, geometry, and surface coatings (including layer count, thickness, and color)

Precision magnetization orientation and adjustable magnetic field intensity

Optional laser marking for logos, part numbers, or traceability codes

Specialized packaging and pull-force testing tailored to your application needs

With deep expertise in magnetic materials, we deliver solutions for industries like EVs, smart manufacturing, and electronics. Our strong technical capabilities and product consistency have earned the trust of customers worldwide.

·  Precision Magnetics, Tailored for Performance.

If you have any magnet-related needs, we offer free customized magnet services. Please feel free to contact us at any time.

Contact Us：

 Phone/WhatsApp/WeChat: +86 13829120676

 Email: Info@jinconn.com

 Address: Xiaohe Industrial Zone, Daojiao Town, Dongguan City, Guangdong Province, China.