Name: Ring D32x13x6mm powerful magnet can be used in speaker with REACH
Brand: CJ MAG
Availability: InStock

Product Details

Ring D32x13x6mm powerful magnet can be used in speaker with REACH

1 Description

1 Our company the Cj magnet company is the pioneer of magnetic material industry in the world and we have specialized in this feild for many years.

2 we can not only provide you simple magnetic materials, but also can provide magnetic systems and solutions.

3 our main products are NdFeB and Ferrite, and the annual capacity of NdFeB is 1500 ton, the Ferrite is 6000 ton.

4 Our copany has our own factories.they are located in Zhejiang Anji and Ningbo,we can finish all the manufacture steps by our own.

5 we also have pay great attention to the technolgies and have import a series of professional and advanced machines from aboard.

6 during the past years our company have got some international certificates,such as ISO9001.ISO14001 and ISO/TS16949. these certificates can make sure that our quality is up to standard.

2 Detailed product description

CJ MAG

Magnetic Material

ISO9001,ISO14001,ISO16949,REACH,ROSH,SGS,VDA6.3

Nd-Fe-B/rare earth magnet

Disc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and Customized shape.

Ni-Cu-Ni, Nickel, Zn, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube and etc.

1-20

The biggest block size:F240*100*50mm

The biggest ring size:240*150*50mm

The highest grade:N52 N40UH N42EH N38AH

The smallest block size:F0.8*0.8*1.6mm

The smallest disc size:1.5*0.75mm

The highest grade:N52 N40UH N42EH N38AH

Customer's size is available

100/1000/10000 pieces

Stable, consistency,powerful

Available

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.

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 electroplatin

10 inspection

4 Coating

surface	coating	color	Thickness(um)	SST	PCT
Nickel	NI(NICUNI)	Bright silver	10-20	>24-72	>24-72
Cr3+Zinc	Zn/C-Zn		5-8	>16-48
Sn	NI+CU+NI+Sn	silver	10-25	>36-72	>48
Epoxy	Epoxy	Black/grey	10-20	>48
Passivation		Dark gray	1-3	Temporary protection
Phosphate		Dark gray	1-3	Temporary protection