1.Any Shape/Grade/Coating
2.Specialize in big size,better consistency
3.US Patent/ISO 9001:2008/REACH/RoHS
4.Permanent Rare Earth Arc Motor Magnets Since 2003
Product Number: NdFeB Permanent Rare Earth Arc Motor Magnets
Type: Permanent Composite: Neodymium Magnet Shape: Arc-shaped
Application: Moto Magnet Grade: N,M,H,SH,UH,EH
1. General Description of rare earth permanent arc Motor magnet:
We are specialized in manufacturing high temperature SH, UH, EH , AH series and big block magnets such as 100mm×100mm×50mm, 70mm×50mm×25mm and 90mm×35mm×30mm for wind turbine, 3"×2"×2", 2"×2"×1" for magnetic separators, also we have been supplying the magnets for MRI, maglev, motors etc.
2. Performance range of products :
Br : from 11.400 Gauss to 14.700 Gauss
Hcj : from 11.000 Oersted to 30.000 Oersted
BH(max) : from 29 MGOe to 54 MGOe
BH(max) : from 29 MGOe to 54 MGOe
3. Dimensions range of products :
Maximum dimension of block: up to 150 mm (length)×100 mm (width)×60 mm (hight)
Maximum dimension of column: up to 73 mm(Diameter)×40 mm (hight)
Maximum dimension of ring: up to 100 mm(Outer diameter)×50mm (hight)
4. Products shape : Blocks, Cubes, Cylinders, Discs, Rings, Arc magnet, Hooks etc.
5. Surface Treatments of rare earth permanent arc Motor magnet: 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 |