Product Overview & Application Scenarios
These high grade neodymium rare earth disc magnets offer a powerful and compact magnetic solution for home projects, including creating magnetic fixtures, organising tools, or securing lightweight items. In the professional world, they are crucial in manufacturing, engineering, and product design, where their magnetic strength and precision are essential for holding and positioning small components. Furthermore, they are used in the energy sector, particularly in the development of renewable energy devices, where their magnetic force contributes to efficient operation. These magnets are utilised across various industries, making them a reliable choice for both consumers and businesses.
Technical Parameters
|
Product Name |
neodymium rare earth disc magnets |
|
Magnetic Grade |
N42 (Br ≥ 13.5 kGs, Hcj ≥ 12 kOe) |
|
Dimensions |
D - 14.35 x 3.49mm (customizable) |
|
Dimensional Tolerance |
Length ±0.05mm, Width ±0.05mm, Thickness ±0.05mm |
|
Operating Temperature |
≤80°C (high-temp version available) |
|
Density |
≥7.5 g/cm³ |
|
Surface Magnetic Field |
2450 ±200 Gauss (measured with TM-801 Gauss meter) |
|
Magnetic Flux |
2.3 mWb (measured with fluxmeter) |
Manufacturing Process
The product is manufactured through a controlled precision machining process to ensure dimensional accuracy, surface integrity, and consistent performance.
Precision Grinding
High-speed grinding equipment is used to machine all functional surfaces, achieving tight dimensional tolerances and precise geometry.
Thermal Control During Machining
A regulated coolant system is applied throughout the grinding process to effectively control heat generation, reduce residual stress, and prevent surface damage.
Surface Quality Optimization
The combined control of grinding parameters and cooling conditions ensures a smooth surface finish and clean, well-defined edges.
♦ As a result, the finished magnet exhibits uniform dimensions, high surface quality, and reliable structural stability. This precision machining step is critical to meeting stringent quality standards and ensures suitability for high-performance applications including electric motors, sensors, electronic assemblies, and aerospace components.
Packaging & Transportation
Step 1: Visual inspection of NdFeB magnets
Step 2: Separation to avoid magnetic attraction
Step 3: Anti-rust and moisture protection applied
Step 4: Inner packing with plastic bags or trays
Step 5: Outer carton packing and palletizing
FAQ
Q1. How is consistency maintained across long-term supply programs?
Answer:Consistency depends on stable raw material sourcing, fixed production routes, controlled magnetization fixtures, and ongoing statistical monitoring rather than spot inspection alone.
Q2. What causes magnetic imbalance in multi-pole assemblies?
Answer:Imbalance may result from magnetization angle deviation, flux tolerance stacking, or assembly positioning error. Individual magnet matching or post-assembly scanning is often required for precision systems.
Q3. Why are engineering samples sometimes more stable than mass production parts?
Answer:Samples often receive tighter process control and lower throughput stress. Scaling up requires reinforced process discipline to maintain the same level of consistency.
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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