Company Details

  • China-Base Ningbo Foreign Trade Co.,Ltd

  •  [Zhejiang,China]
  • Business Type:Manufacturer
  • Main Mark: Worldwide
  • Exporter:91% - 100%
  • Certs:CE
  • Description:NdFeB Magnet, NdFeB Magnets, Bonded NdFeB Magnets, Ring Bonded NdFeB Magnets, Ring NdFeB Magnets
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China-Base Ningbo Foreign Trade Co.,Ltd

NdFeB Magnet, NdFeB Magnets, Bonded NdFeB Magnets, Ring Bonded NdFeB Magnets, Ring NdFeB Magnets

86-0574-87329155

Home > Products > Bonded NdFeB Magnets > Ring Bonded NdFeB Magnets

Ring Bonded NdFeB Magnets

Product categories of Ring Bonded NdFeB Magnets, we are specialized manufacturers from China, NdFeB Magnet, NdFeB Magnets suppliers/factory, wholesale high-quality products of Bonded NdFeB Magnets R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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Ring type bonded NdFeB magnets
  • Brand: CBNB
  • Packaging: High quality cartons or according to customers'
  • Place of Origin: China
  • Transportation: Ocean,Land,Air

We are the manufacturer of ring type bonded NdFeB Magnets,bonded ring ndfeb magnet,neodymium bonded magnets,ring bonded neodymium magnet and so on. Features: 1) Bonded magnet of ring shape can be used in motor, especially the micro and special motors, such as all kinds of motors in auto instrument 2) Grades from KTN-6 to KTN-12, KTN-8H If you are...

China NdFeB Magnet of with CE
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Good Performance Big Ring Bonded Ndfeb Magnet
  • Brand: CBNB
  • Packaging: High quality cartons or according to customers'
  • Place of Origin: China
  • Transportation: Ocean,Land,Air

Rare earth sintered NdFeB ring magnet: NdFeB (Neodymium Iron Boron) magnet is an alloy magnet made from ND, Fe, B and other metal elements. As the third generation of rare earth permanent magnets, it is by far the best performance in contemporary. Specification: 1. High performance, cost ratio 2. High intrinsic coercive force after concocting 3....

China Manufacturer of NdFeB Magnets
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Bonded Ndfeb Rotor Magnet
  • Brand: CBNB
  • Packaging: High quality cartons or according to customers'
  • Place of Origin: China

Bonded NDFEB rotor magnet,ROHS compliant About Bonded NDFEB rotor magnet: item:16756-001 REV A Description: material: 16-10(12 MGOe) Binder: epoxy resin Coating: grey epoxy Rohs compliant If you are interested in ,please contact

Customized Bonded NdFeB Magnets Made in China
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Super Strong Ring Bonded Ndfeb Magnets
  • Brand: CBNB
  • Packaging: High quality cartons or according to customers' requirements
  • Place of Origin: China
  • Transportation: Ocean,Land,Air

We specialize in manufacturing and selling of NdFeB permanent magnet(sintered and bonded), alnico magnet,SMCO magnet and all kinds of magnet-related products. We can produce all kinds of grade sinteres NdFeB N series (N30-N48),M series (N30M-N50M),H series (N30H-N48H),SH series (N27SH-N45SH),UH series (N25UH-N38UH),EH series (N25EH-N35EH)etc., six...

Professional Manufacturer of Ring Bonded NdFeB Magnets
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China Ring Bonded NdFeB Magnets Suppliers

Bonded NdFeB Magnets

Bonded NdFeB Magnets are manufactured by binding rapid-quenching NdFeB powder. The powder is mixed with resin to form a magnet by compression molding with epoxy or infection molding with nylon. The latter technique is particular effective in large volume production, though the magnetic value of products is lower than those made with compression molding because of their relatively lower density. Various shapes of high dimensional accuracy can be produced without further processing. Surface is treated by epoxy coating or nickel-plating to prevent corrosion
bonded magnet, bonded NdFeB Magnet

Other Properties of NdFeB Bonded Magnets

Hybrid magnets to create different magnetic properties

With different ratio of additives to NdFeB powder, magnetic properties of hybrid NdFeB magnets can be tuned in a wide range. Once the ratio is fixed, magnetic property fluctuation can still be limited in a narrow bank. Hybrid magnets will meet customers¡¯specified properties.

Characteristics for the initial magnetization of NdFeB bonded magnets

Rapidly quenched NdFeB powder used for bonded magnets is multi grain with grain size of sub-micron. Powder is isotropic in magnetic properties, which results in flat increasing of remanence and intrinsic coercivity with applied field. Magnet can only be magnetized to saturation in high fields. bonded magnet, bonded ndfeb magnet

Advantages of Bonded Magnet

*Produced with high efficiency, stability and repeatability.
*Magnet and other part may form together in one step.
*Free choice of magnetizing direction-especially for multi-polar applications
*High dimensional accuracy-large quantity applications with minimum post-press machining.
*Thin-wall ring and complex shape magnets.
*High resistance to corrosion.


Magnetic properties of bonded NdFeB Magnets

P/N

Br Remanence

Hcj Intrinsic Coercivity

Hcb Coercive Force

(BH)max. Maximum Energy Product

MT

kG

kA/m

kOe

kA/m

kOe

KJ/m3

MGOe

ndfeb-NB6

440-560

4.40-5.60

560-680

7.0-8.5

240-320

3.0-4.0

32-48

4.0-6.0

ndfeb-NB8

540-640

5.40-6.40

640-720

8.0-9.0

320-400

4.0-5.0

48-64

6.0-8.0

ndfeb-NB8M

540-620

5.40-6.20

1040-1360

13.0-17.0

384-464

4.8-5.8

56-72

7.0-9.0

ndfeb-NB10

620-700

6.20-7.00

608-800

7.6-10.0

360-456

4.5-5.7

64-80

8.0-10.0

ndfeb-NB12

690-760

6.90-7.60

640-840

8.0-10.5

400-480

5.0-6.0

80-96

10.0-12.0



Physical Chracteristics of bonded NdFeB Magnets

P/N

Recoil Permeability

Hs Magnetizing Field

Density

Temperature Coefficient

Tc Curie Temperature

K[2]Ring Crushing Strength

Coefficient of Thermal Expansion (25-200)


kA/m

g/cm3

kOe

α(Br)%/>oC

β(Hcj)%/oC

oC

kg/mm2

10-6/oC

ndfeb-NB6

1.22

1600

5.1-5.6

20

-0.14

-0.40

360

5.5

4.8

ndfeb-NB8

1.22

1600

5.4-5.8

20

-0.13

-0.40

360

5.5

4.8

ndfeb-NB8M

1.18

2000

5.8-6.0

25

-0.12

-0.38

305

5.5

4.8

ndfeb-NB10

1.22

1600

5.8-6.0

20

-0.11

-0.40

360

5.5

4.8

ndfeb-NB12

1.17

1600

5.9-6.1

20

-0.11

-0.41

360

5.5

4.8


Note:
[1] The properties given above are typical at room temperature(23oCfor uncoated samples.
[2] Ring Crushing Strength K is defined as follows, with the force applying along a diameter of magnet ring and P is the value at which the first crack appears. K=P(D-T)/LT2
K-Ring Crushing Strength(kg/mm2) P-Load on magnet ring(kg)
D-Outer diameter(mm) T-Ring thickness(mm)
L-Height of the ring(mm)


Demagnetization Curves of Bonded NdFeB Magnets


Safety Notes for the Use and Storage of Bonded Magnets.

*Do not place magnets near person wearing electrical medical equipment.such as pacemaker,because the magnet may result in malfunction of the equipment and endanger person's life. bonded magnet, bonded ndfeb magnet
*Keep magnets away from magnetic memory media or other magnetic field sensitive devices such as magnetic cards.tapes,floppy disks,hard disk drivers,and watches.Otherwise information stored in the media or the devices may be damaged.
*Big block of magnet will strongly attract each other or attract iron steel pieces,which may cause serious injure to person.
*Relatively weak in strength,bonded magnets may break into pieces when collide with other materials.Be careful in assembling magnets and prevent the finy fragments from entering into eyes or cause other injuries.
*Keep magnets in good condition and avoid following environment in case that magnets become rust or weaken in mechanical or magnetic strength. bonded magnet, bonded ndfeb magnet
A. With acid,alkali,organic solvent or electrolytes.
B. Immersed in water or in oil.
C. Space filled with hydrogen.
D. Space filled with corrosive gases such as Cl2,NH3,Nox,etc.
E. With radioactive rays.

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