Round sintered NdFeB permanent magnet

Shape & Size
Customed Design
Coatings
Ni, Zn, Gold, Copper, Epoxy, etc
Appearance
Various as You Wish
Max Operation Temp
220 Degree Centigrade
Mold
Magnet Neodymium
Composite
Neodymium Magnet
Product Name
Ring Neodymium Magnets
Transport Package
Carton
Specification
ROHS
Trademark
COCO
Origin
China Mainland
HS Code
85051110
Production Capacity
2000 Tons Per Year
Reference Price
$ 0.01 - 9.00
Contact Us

Product Description

Round sintered NdFeB permanent magnet

Permanent Magnet Materials  Introduction
Permanent magnets are used in the following major groups: acoustic transducers, motors and generators, magneto mechanical devices, and magnetic field and imaging systems. You will find permanent magnets in many products, such as televisions, telephones, computers, audio systems and automobiles.
The permanent magnet family consists of non-rare earth permanent magnets and  rare earth magnets . The non-rare earth magnets include Alnico magnets and Ceramic   magnets. Rare earth magnets include Sm-Co magnets and NdFeB   magnets   (Neodymium-Iron-Boron).
Although non-rare earth magnets are used in the majority of these applications due to their economic cost, rare earth permanent magnets have many distinguishing characteristics, such as a large Maximum Energy Product ,  Two major families of rare earth permanent magnets, Sm-Co magnets and NdFeB magnets .
How to Choose Permanent Magnet Materials
Each permanent magnet material discussed above has its own pros and cons. How to choose the right one for your particular application is a challenge to any user. A balance between cost and performance must be considered in selecting of permanent magnet material. In Reference Information section of this page, several reference books are listed. Following is a Comparison Table to help you select a right permanent magnet material for your applications.
Permanent Magnet Material Comparison Table   Note: The data listed in the table are for reference only

Products Details:
  1. Widely   Pe r f or mance:   N35-N54,   N35M-N52M,   N33H-N50H, N33SH-N45SH, N30UH-N42UH, N30EH-N38EH, N28AH-N33AH;
    2. Best Price:  We are man u facture in Ningbo. We have a  whole  set of production process equipment  from Dosage to Cutting.
  1. Fast delivery:  8-15days.

Product Description :
1. Materials: Ne-Fe-B
2. Shape: Various as you wish
3. Certificate: ISO/TSI6949: 2009
Round sintered NdFeB permanent magnet

Specifications:
A. Materials:  Neodymium- Ferrum -Boron;
B . Grades:   N35-N54, 35M-52M, 33H-50H, 33SH-45SH, 30UH-42UH, 30EH-38EH, and 28AH-33AHB. 
C. Coating:   Various coatings to protect the magnets, such as Ni, Zn, gold, copper, epoxy, chemical, parylene and so on;
D.   Shape :   Block,   Ring,   Disc,   Cylinder,   Arc(Segment),   Half Ring, and Customized Design ;
E.  Size:   customized size per your requirements, largest block length of 150mm, biggest ring of D220mm, smallest thickness of 0.5mm
F .  Performance:  High coercive force  (Hcb) can reach 9.7kOe (772KA/M) , the max operation temp  (Tw)  is up to 2 2 0 degree centigrade or 380 curie temperature;
G .   Applications:  Magnet Separators,   Sensors, Motors, Rotors, Wind turbines,   Wind generators, Loudspeakers, Magnetic hooks, Magnetic holder, Filters Automobiles Magnetic jewelries, toys, magnetic buttons,   Magnetic therapy   and so on;

Production process:  
Raw Materials-->Mixture--->Vacuum Melting--- > Powder Production--- >Molding ---> Vacuum Sintering--- > Testing--- >Mechanical Processing--- > Surface Coating--- >Magnetized--- > Inspecting--- > Packing and Shipping.  
Round sintered NdFeB permanent magnet

Directions of Magnetization:
a. Thickness Magnetized
b. Axially Magnetized 
c. Diametrally Magnetized
d. Multi-poles magnetized
e. Radial Magnetized 
f. Custom iz ed specific requirements magnetized

Inquiry    
To receive a quote for Neodymium Arc magnets, please provide the following details: 
  1. Outer Diameter,   Inner Diameter or, Degree of Angle ;
  2. Thickness, Length ;
  3. Grades ;
  4. Coating ;
  5. Tolerances and Magnetization Direction (North on the Outside Face / South on the   Outside Face / Magnetized through Circumference / Magnetized through Thickness ). 
  6. Testing Conditions


neodymium magnet packing details  a nd delivery

Round sintered NdFeB permanent magnet




Welcome to inquiry!


We can provide almost all grades in large quantity. In addition, if you customized products, 
           
Contact Person: Merry   Mb:  15067444610    


 
 

 

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