AMC Group Limited

Super Ndfeb Magnet Ring, Neodymium Magnet, Ndfeb Permanent Magnet manufacturer / supplier in China, offering Super NdFeB Magnet Ring, Customized Permanent NdFeB Magnet Block, High Quality Magnetic Health Massage Comb and so on.

Super NdFeB Magnet Ring

FOB Price: Get Latest Price
Min. Order: 200 Pieces
Production Capacity: 25 Ton/Tons / Month
Transport Package: White Box
Payment Terms: L/C, T/T, D/P, Paypal, Western Union

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Basic Info.

Model NO.:NM-37
Application:Speaker Magnet, Motor Magnet
Shape:Ring
Coating:Nickel
Grade:N50
Nickel Coating:Round Magnet
Super Power:Rare Earth Magnet
Specification:CE. ROHS
Origin:China
HS Code:8505119000

Product Description

Super NdFeB magnet ring has superior magnetic properties than other magnets
1) Strong power magnet
2) Higher unit magnetic properties
3) Smaller size and lighter weight in designing devices
4) Mostly an iron based alloy, NdFeB type rare earth magnet is much more prone to surface oxidation or rust, and elimination. Users should consider magnet coating, plating or suitable surface treatment
5) Less prone to chipping during handling
6) Lower temperature coefficient of magnetic properties than ceramic, higher than SmCo type rare earth magnet
7) Irreversible loss at high temperature
8) Types: N30, N33, N35, N38, N40, N42, N30M, N33M, N35M, N38M, N40M, N27H, N30H, N33H, N35H, N37H, N27SH, N30SH, N33SH, N35SH, N25UH, N28UH, N30UH, N35SH, N38, N45, N48, and N50
9) High energy ranging from 8MGOe to 48MGOe with wonderful coercive force
10) Less expensive, and mechanically stronger and less brittle than SmCo
11) Density: 13%, smaller than SmCo products
12) For most applications, coating or plating is recommended

13) Advantages:
A) High energy
B) Very high Hc and Hci output
C) More economical than SmCo
D) Wonderful performance at ambient temperature

14) Widely used in apparatus and instruments where a strong magnetic field is needed, including motors, sensors, microphones, electro-acoustics, magnetic separation, magnetic suckers and magnetic therapy.

15.  Physical performance of Super NdFeB magnet ring

Physical Performance of Sintered Neodymium Magnet

Parameter

Unit

Reference

Density

g/cm3

7.4-7.6

Vickers Hardness

HV

500-600

Resistivity

μΩ·m

1.4-1.6

Compressive Strength

MPa

1000-1100

Tensile Strength

MPa

80-90

Thermal Conductivity

W/(m.K)

8-10

Young's Modulus

Gpa

150-200

Vertical Thermal Expansion Coefficient

10-6/K

1-3

Parallel Thermal Expansion Coefficient

10-6/K

3-4
 


16. Manufacture Process
Super NdFeB Magnet Ring
17. Detailed Four Step Quality Control
Super NdFeB Magnet Ring
18. Package.
Super NdFeB Magnet Ring

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