Sintered NdFeB magnet,is the most powerful and advanced commercialized permanent magnet today. NdFeB has the high remanence, high coercive force, high-energy product and high performance, It can be shaped into various sizes and widely used in many fields such as aviation, electronics, instruments, meters, machine, medical instrument and relative fields.

Feathers of permanent magnet rotation motor :

1. Materials: Rare earth Neodymium-Iron-Boron, Sintered NdFeB permanent Magnets;

2. Certification: ISO9001:2000, ISO14001, ISO/TS16949

3. Magnetic properties:

    a) High coercive force, max is over 35KOe,

    b) (BH)max from 28 to 55MGOe,

    c) Max working temperature up to 240°C;

4. Grades of permanent magnet rotation motor : N30-N54, N30M-N52M, N30H-N50H, N30SH-N45SH, N28UH-N42UH, N26EH-N38EH, N28AH-N35AH;

5. Shapes: Shapes: segment / tile / arc magnets

6. Sizes: OR x IR x H x Degree, Customized;

7. Tolerance: ±0.05mm, Customized;

8. Coatings of permanent magnet rotation motor : Passivation, Nickel, Zinc, Tin, Aurum, Copper, Epoxy, Chemical, etc.

Surface	Coating	Thickness (Microns)	Color	Resistance
Passivation		1	Silver grey	Temporary protection
Nickel	Ni+Ni	10-20	Silver bright	Excellent to humidity
	Ni+Cu+Ni
Zinc	Zn	8-20	Shining light blue	Good to salt spray
	Cu-Zn		Shining color	Excellent to salt spray
Tin	Ni+Cu+Sn	15-20	Silver	Superior to humidity
Aurum	Ni+Cu+Au	10-20	Shining gold	Superior to humidity
Copper	Ni+Cu	10-20	Shining gold color	Temporary treatment
Epoxy	Ni+Cu+Epoxy	15-25	Black, red, grey color	Excellent to climate humidity and salt spray
	Zn+Epoxy
Chemical	Ni	10-20	Silver grey	Excellent to humidity

9. Applications of permanent magnet rotation motor : Toys, Packing boxes, Micro-special electric machinery, Permanent-magnet instrumental meters, Electronic industry, Nuclear magnetic resonance equipments, Magnetic suspension system, Magnetic transmission gears, Magnet therapy equipment, Sorption, ads, Books managements, Teaching tools, Office automation , Magnetic separators, Copiers, Synchrotrons, Radiation sources, Nuclear industry, Agriculture industrial, Detection earthquake, and so on.

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