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Professional Disc sintered NdFeb Permanent Magnets For Loudspeaker / Mobile Phone

Place of Origin: Zhejiang

Company Profile

Location: Guangzhou, Guangdong, China (Mainland)
Business Type: Manufacturer
Main Products: NdFeb Magnet, Injection Molded Magnet, Neodymium Disc Magnets

Product Detail

Model No.: ZCMN: PM06

Product Description

NdFeB Permanent Round Magnet, Strong Magnetism, Used in Loudspeaker and Mobile Phone

 

 

 


Knowledge of sintered NdFeB magnet:


 
NdFeBmagnet is a kind of strong permanent magnet. Its lifetime can be 30 years when the working temperature is reasonable.  
The most special feature is that its volume is small, but the pull force is very strong.
It can be used almost everwhere in our life, such as industrial , moto, speaker and so on.
 


Product Description & Specification:
 
 
 Grades
 
Range: N35-N52; N35M-N50M;
       N35H-N48H, N35SH-N45SH;
       N30UH-N40UH,  N30EH-N38EH.
 
Professional suggestions:  
    -The grade like N48-N52 could meet your requirements on strong power.
      -Standard one like N35 or N40 is okay for your normal applications.
    - If you have requirement on the working temperature, please note it.
 
Shapes
 
    Others available: Block, Ring, Cylinder, Disc, Customized shape as your design.
 
 
 Size

 

Block / Bar

 Length x Width x Thickness

Disc / Cylinder

 Diamter x Thickness

Ring

 External Diamter x Internal Diameter x Thickness

Irregular

 According to customer's size or drawing request.

  You could choose freely according to your plan.
 
 
Coatings
 
Others available: Nickel, Zinc, Gold, Silver, Epoxy, Parylene, etc.

 

                              Coating and Corrosive Resistance of Sintered NdFeB

Surface

Coating

colour

Thickness
(um)

Resistance can be

Corrosive Resistance

PCT Test

Salt Spray Test

Nickel

Ni/NiCuNi

Silver

10-20

48h/72h

72h

excellent

Zinc

blue zinc/colour zinc

brightblue/shinyblue

8-20

24

24

good

epoxy

epoxy/NiCu+Epoxy

black/grey

15-25

48

96

excellent

Tin

NiCuSn

silver

15-20

72

72

superior

Parylene

Parylene

grey

15-25

96

200

superior

Teflon

Teflon

grey

10-20

12

24

superior

Phosphorization

      -

grey

1-2

   -

  -

temporary protection

Passivation

      -

grey

1-2

   -

  -

temporary protection

 
 

Torelance:

±0.01 or you can tell us according to your plan.

 


Orientation


Through the direction of thickness or according to your needs.
 
a. Thickness Magnetized
b. Axially Magnetized
c. Diametrally Magnetized
d. Mult-poles Magnetized
e. Radial Magnetized
f. Customzied Specific Requirements Magnetized
 

 
 
Applications:
 
 

 
Competitive Advantage:

  1. Original manufacture.
  2. More than15years magnet manufactured experiences(since 1999).
  3. Competitive price, stable quality, fast delivery, good service.
  4. Unique customized according to your requirements.

 
 
Please have the following information avaliable when you contact us.

  1. The magnet’s Grade.
  2. Any details on finish of surface.
  3. Dimensions, tolerances, shapes.
  4. Application for magnet.
  5. Quantities.
  6. Need the magnetization or not.
  7. Any other specifications & information.

 

                                  

 
We can manufacture a custom magnet for your application.If you have any question,please do not hesitate to contact me.

Shirley Email:shirley@czczs.com, Skype: live: shirleyczczs, Whatsapp:+ 86 13533554325

 

                           

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