- Application: Motor Magnet
- Coating: Nickel
- Type: Permanent
- Specification: ROHS, SGS
- Shape: Trapezoid
- Grade: N52
- Composite: NdFeB Magnet
- Origin: Ningbo
Block Neodymium Magnet
1. Materials: Neodymium-Iron-Boron;
2. Technology: Utilizes new Sintered NdFeB magnet techniques and equipment such as strip casting, HDDR technology;
3. Magnetic properties: High coercive force, the max operation temp is up to 200 degree centigrade or 380 curie temperature;
4. Grades: N35-N52, 30M-50M, 30H-48H, 30SH-45SH, 30UH-40UH and 30EH-38EH;
5. Shapes: Various shapes
6. Size: According to customers' request;
7. Coatings: Ni, Zn, gold, copper, epoxy, chemical, parylene and so on;
8. Applications: Widely used in different applications, such as sensors, motors, rotors, wind turbines/wind generators, loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on.
Machining and tolerances
Neodymium is easily ground, although coolants must be used in the process to avoid spontaneous combustion of powder. Grinding should be completed before coating or plating is applied to protect the magnets from corrosion. Standard tolerances for neodymium magnets are +/-0.05mm for ground dimensions.
Temperature constraints
The temperature coefficient of neodymium has triggered several grades to be developed to meet specific operating requirements. Please refer to our chart of magnetic properties to compare the characteristics of each grade. Before choosing a neodymium magnet be sure to consider your application's maximum operating temperature.
Added value services
Our knowledgeable engineering department is always available to assist in determining the best grade and size of neodymium magnet for your application. We also offer coating and plating choices for magnets we custom-machine.
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