Plastic Bonded Cylinder Ndfeb Magnets with Hole

Plastic Bonded Cylinder Ndfeb Magnets with Hole

Bonded NdFeB magnets are plastic magnets made of fastened NdFeB magnetic powder.The molten NdFeB alloy flows to a high-speed rotating wheel under pressure, and cooled at a cooling rate of up to 106℃/ s, and then the formation of NdFeB boron ribbon, using striped powder to crumble into 200 microparticles, it can get fast quenching magnetic powder.

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Product Details

Bonded NdFeB magnets are plastic magnets made of fastened NdFeB magnetic powder.The molten NdFeB alloy flows to a high-speed rotating wheel under pressure, and cooled at a cooling rate of up to 106℃/ s, and then the formation of NdFeB boron ribbon, using striped powder to crumble into 200 microparticles, it can get fast quenching magnetic powder. And then after homogeneous mixing fast quenching the magnetic powder and binder, by die casting or injection molding made of die-casting magnets and injection molding magnets.Die-casting magnets used in the adhesive for the epoxy resin and injection molding magnets used for nylon. Injection molding magnets density is smaller than Die-cast magnets and its corresponding magnetic properties are also low.The size of the bonded magnets is high and the secondary processing is no longer required.Magnet surface by resin coating or nickel plating, can effectively improve its corrosion resistance. Thickness of Epoxy coating is about 10-25 microns, the surface is smooth, and it have gray and black two colors.

CHARACTERISTICS OF PLASTIC BONDED MAGNETS

- one molding and can achieve precision dimensional accuracy;
- easy to be processed directly into thin-walled ring, tile and other shapes;
- can be magnetized, multi-polar magnetization;
- it is more resistant to corrosion than sintered magnets;
- An anisotropic bonded magnets with higher magnetic properties can be developed.

MATERIAL CHARACTERISTICS

Grade

Residual   Induction
Br

Coercive Force
Hcb

Intrinsic   Coercive Force
Hcj

Max. Energy Product  
(BH)max.

Material

Application

JPM-N4

530~630mT

200~340kA/m

450~665kA/m

28~49.6kJ/m3

Nd2Fe14B

Holder 
Stationery
Toy
Household
Appliance
OA Facilities
Micro-motor

5300~6300Gs

2513~4272Oe

5655~8356Oe

3.5~6.2MGOe

JPM-N6

600~700mT

360~440kA/m

600~800kA/m

49.6~64kJ/m3

Nd2Fe14B

6000~7000Gs

4524~5529Oe

7540~10053Oe

6.2~8.0MGOe

JPM-N8

600~700mT

400~480kA/m

640~800kA/m

64~76kJ/m3

Nd2Fe14B

6000~7000Gs

5026~6031Oe

8042~10053Oe

8.0~9.5MGOe

JPM-N8L

600~700mT

320~448kA/m

560~720kA/m

60~72kJ/m3

Nd2Fe14B

6000~7000Gs

4021~5629Oe

7037~9047Oe

7.5~9.0MGOe

JPM-N8H

560~650mT

400~480kA/m

875~1200kA/m

60~76kJ/m3

Nd2Fe14B

5600~6500Gs

5026~6031Oe

10995~15079Oe

7.5~9.5MGOe

JPM-N10

650~750mT

400~480kA/m

680~850kA/m

72~88kJ/m3

Nd2Fe14B

6500~7500Gs

5026~6031Oe

8545~10681Oe

9.0~11.0MGOe

JPM-N10L

700~800mT

400~480kA/m

480~640kA/m

72~88kJ/m3

Nd2Fe14B

7000~8000Gs

5026~6031Oe

6031~8042Oe

9.0~11.0MGOe

JPM-N10H

650~750mT

430~510kA/m

875~1035kA/m

72~88kJ/m3

Nd2Fe14B

6500~7500Gs

5403~6408Oe

10995~13000Oe

9.0~11.0MGOe

JPM-N12

700~770mT

450~530kA/m

680~850kA/m

80~96kJ/m3

Nd2Fe14B

7000~7700Gs

5655~6660Oe

8545~10681Oe

10.0~12.0MGOe

JPM-N12L

750-830mT

380-460kA/m

480~640kA/m

80-96kJ/m3

Nd2Fe14B

7500-8300Gs

4773-5777Oe

6031~8042Oe

10.0-12.0MGOe

JPM-N12H

740-790mT

460-540kA/m

716~836kA/m

80-100kJ/m3

Nd2Fe14B

7400-7900Gs

5780-6785Oe

9000~10500Oe

11.0-12.5MGOe

OTHER PHYSICAL CHARACTERISTICS

Grade

Density
g/cm3

Hardness
HRB

Temperature Coefficient
%/℃

Curie   Temperature

Max Operation   Temperature

Saturated   Magnetic Field
kA/m

Thickness Of   Coating
μm

JPM-N4

5.8~6.3

40~45

-0.11

≥350

120-160

≥1600

5~30

JPM-N6

5.8~6.1

40~45

-0.11

≥350

120-160

≥1600

5~30

JPM-N8

5.8~6.1

35~38

-0.11

≥350

120-160

≥1600

5~30

JPM-N8L

5.8~6.1

35~38

-0.12

≥400

110-140

≥1600

5~30

JPM-N8H

5.8~6.1

35~38

-0.12

≥300

150-170

≥2400

5~30

JPM-N10

5.8~6.1

35~38

-0.10

≥350

120-160

≥1600

5~30

JPM-N10L

5.8~6.1

35~38

-0.10

≥320

110-150

≥1600

5~30

JPM-N10H

5.9~6.2

35~38

-0.10

≥400

150-180

≥2000

5~30

JPM-N12

6.0~6.3

35~38

-0.10

≥350

120-160

≥1600

5~30

JPM-N12L

6.0~6.3

35~38

-0.10

≥320

110-150

≥1600

5~30

JPM-N12H

6.0~6.3

35~38

-0.11

≥350

120-160

≥1600

5~30

*The coating material can be chosen according to customer,s demand

PRODUCT ADVANTAGE

QUALITY

PRODUCTION PROCESS FLOWCHART

MAGNETIZATION DIRECTION

Axial

Diametrical

Axial

Diametrical

Thickness

Length

Axial

Diametrical

Diametrical

Diametrical

Width

Thickness

APPLICATIONS

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