This is a neodymium wedge magnet made of strong magnet material. The black appearance on the surface is black epoxy coating. It is mainly used in generators, industrial motors and other fields. As for the size of each customer's needs, our company can customize it according to your needs. Customized drawings and technical requirements, welcome to consult for quotation and delivery.
We are from Dongguan, China, contact us for a better price.
Several magnetization modes of wedge neodymium magnets;

Similar to motor arc magnet products;
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This is a black triangular magnet, also known as a wedge-shaped curved magnet, with an outer radius of 31mm, inner radius of 20mm, length of 21mm, and thickness of 1mm. Despite its compact size, it delivers powerful magnetic force due to its N52 grade...
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This product is a high-performance arc-shaped magnet. The material is the strongest magnetic material NdFeB. It has the characteristics of small size, light weight and high torque. It is especially suitable for high-end servo motors and brushless motors. It is widely used in industrial motors. , so that the brushless motor has the advantages of light weight, high efficiency, low noise, small speed error, etc....
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The magnets used in hard disk drives are very strong neodymium (rare earth) magnets. Typically a magnet will have a north pole on one face, and a south pole on the other face. Hard drive magnets differ in that they act like two magnets stuck together side by side. On one face there is a north pole on the left and a south pole on the right, on the other face there is a south pole on the left and a north pole on the right....
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For cost-effective starter motor applications, the use of curved or segmented ferrite permanent magnets is a good choice. Ferrite magnets offer some of the following advantages....