Product Details

N52 strong neodymium magnet for car motor and wind energy

1Deatails:

Brand	CJ MAG
Catalog	Magnetic Material
Certificates	ISO9001,ISO14001,ISO16949,REACH,ROSH,SGS,VDA6.3
Material	Nd-Fe-B/rare earth magnet
Magnet Shape	Disc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and Customized shape.
Coating	Ni-Cu-Ni, Nickel, Zn, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube and etc.
Thickness of Coating (Microns)	1-20
Size of Magnet	The biggest block size:F24010050mm The biggest ring size:24015050mm The highest grade:N52 N40UH N42EH N38AH The smallest block size:F0.80.81.6mm The smallest disc size:1.5*0.75mm The highest grade:N52 N40UH N42EH N38AH Customer's size is available
MOQ	100/1000/10000 pieces
Advantage	Stable, consistency,powerful
Sample	Available
Application	Rare Earth Magnets are widely used in many fields, such as motors, sensors, microphones, wind turbines, wind generators, VCM in hard disk drives, printer, switchboard, loudspeakers, magnetic separation, magnetic hooks, magnetic holder, magnetic chuck, common daily use and etc.

2 Type and grade

type	grade	max work temperature
N	N35-N52	80
NM	N35M-N50M	100
NH	N30H-N48H	120
NSH	N30SH-N45SH	150
NUH	N30UH-N40UH	180
NEH	N30EH-N38EH	200
NAH	N30AH-N33AH	240

3 manufacture process

Main steps:

1 raw material ready
2 strip casting
3 hydrogen broken
4 jet milling
5 magnetic pressing
6 sintering
7 magnetic property test
8 machining
9 electroplating
10 inspection

4 About Coating


Surface	Coating	Thickness( m)	Color	SST(hours)
Nickel	Ni	10-20	Bright Silver	>24-72
Black Nickel	Ni+Cu+Ni	10-20	Bright Black	>48-96
Cr3+Zinc	Zn C-Zn	5-8	Bright Blue Shinning Color	>16-48 >36-72
Sn	Ni+Cu+Ni+Sn	10-25	Silver	>36-72
Au	Ni+Cu+Ni+Au	10-15	Gold	>12
Ag	Ni+Cu+Ni+Ag	10-15	Silver	>12
Epoxy	Epoxy Ni+Cu+Epoxy Zn+Epoxy	10-20 15-30 15-25	Black / Grey	>48 >72-108 >72-108