The motor application Watts shaped powerful magnets

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NdFeB magnets

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The motor application Watts shaped powerful magnets

Detailed

The Specifications:

processed into a variety . the the box maximum processing to : 150 * 100 * 40mm . Cylindrical largest processing ￠ 120 * 34mm .

products introduced :
NdFeB ( NdFeB ) , it not only has a High remanence, High coercivity coercivity, High energy product, High cost performance characteristics, and easily processed into a variety of sizes, and is now widely used in the aerospace, electrical and electro-acoustic instruments, jewelry, leather handbags, packing boxes, toys, medical technology and other needs the permanent magnetic field in the device of the apparatus, particularly suitable for the development of High performance, miniaturization, light generation product.

Surface treatment :
sintered Nd-Fe-B permanent magnet material is the activity of a chemical powder metallurgy material, its characteristics are hard and brittle and susceptible to oxidation and corrosion. , The most effective way is being taken based on the characteristics of the surface of the protective layer. But NdFeB sintered permanent magnet surface due to the presence of voids in the deterioration of the layer is generated when the grinding and density are not completely generated oxide, equal to its Surface treatment must take the necessary pre-processing and appropriate electroplating process, as follows shown:
chamfer → the degreasing → pickling → aging → → ultrasonic cleaning → the plating coating detection

Surface treatment project:

Surface treatment	Galvanization	Nickel-plated	Coated with epoxy	Other epoxy
Exterior Color	Multicolored or blue and white	Shiny or matte	Black, red, etc.	Black, red, etc.
Coating thickness（μm）	5～13	15～25	40～60	55～85
Applicable specifications	Tablets, blocks, tiles, Ring, column profiled	Sheet, tile, etc. Small and medium size	Blocks, tiles, sheet CUHK specifications	Block, Sheet, tile, etc. In the specifications
Economic costs	Lowest	Higher	High	Highest
Applications	Applications Communications, magnetic drive	Motor, electro-acoustic, Meters, etc.	Magnetic separation, magnetic resonance imaging Resonance	Motors, magnetic separation, Instruments, etc.
PCTTest 120℃2atm100%RH	〇	100h	48h	100h
Salt spray Test5%NaCl 35℃	24h	24～48h	200h	200h
Adhesion Test250℃×1hQuench	OK	OK	OK	OK
Damp heat Test*80℃90%RH	〇	500h	300h	1000h
Note: playing * marked as a reference item, hit 〇 marked as not detected items.