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Rainbow Magnet Ltd.
Rainbow Magnet Ltd.  

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various strong bonded injection NdFeB magnets 

Price: 0.01~10.0 USD 
Payment Terms: T/T,L/C 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: standard carton by sea or b...
Application: Motor Magnet
Type: Permanent
Brand Name: rainbow magnet
Production Capacity: 50 ton/mnoth
Delivery Date: 25 days
Shape: Coil
Composite: NdFeB Magnet

the material have rigidity and flexibility, can be processed thin-walled rings, rods, sheets and a variety of special and complex shapes.

There is Bonded compression NdFeB and Bonded Injection NdFeB according the process way.
picture shows the Bonded injection NdFeB magnet.
Process size of shrinkage rate is small, only 0.2%-0.5%
No distortion, no second processing and get products with
High - precision, mechanical strength is well.
Easy for mass production, easy for small equipment to
process,easy to process complex shape,many kinds of sizes, especially for small sizes products.
The size is exact, the surface is smooth and with high corrosion resistance, good consistency of the magnetic field.

Bonded injection NdFeB magnet:

Applications:
sensors,
brushless motor,
automotive electronic throttle pedal,
the car dashboard,
car dashboard-driven,
automotive tachometer,
fuel gauge
other fields.

Bonded injection NdFeB magnetic energy parameters
Br (Residual induction)
Hcb (Coercive Force)
Hcj (Intrinsic coercive Force)
(BH)max. Max. Energy Product
Reversible temperature
Coefficient
 α( B r )
Max. Operating Temp.
Grade
T
KA/m
KA/m
KJ/m3
%/ ℃
KGs
KOe
KOe
MGOe
BNI-3
0.2-0.4
120-240
480-640
8-24
-0.15
100
2.0-4.0
1.5-3.0
6.0-8.0
1.0-3.0
BNI-4
0.40-0.46
250-335
575-735
28-36
-0.13
110
4.0-4.6
3.1-4.2
7.2-9.2
3.5-4.5
BNI-5
0.45-0.51
280-360
640-800
37-44
-0.13
120
4.5-5.1
3.5-4.5
8-10
4.6-5.5
BNI-6
0.51-0.56
295-375
640-800
44-52
-0.11
120
5.1-5.6
3.7-4.7
8-10
5.5-6.5
BNI-7
0.54-0.64
320-400
640-800
51-59
-0.11
120
5.4-6.4
4.0-5.0
8-10
6.5-7.5
BNI-6H
0.48-0.56
335-400
1035-1355
40-52
-0.15
130
4.8-5.6
4.2-5.0
13-17
5.0-6.5
BNI-5SR (PPS)
0.45-0.50
300-360
875-1115
36-44
-0.13
150
4.5-5.0
3.8-4.5
11-14
4.5-5.5
The above-mentioned data of magnetic parameters are related with magnet shape and size.

Molding method of isotropic NdFeB bonded magnets properties
Molding method
(BH)max/ KJ/m3
Powder
Volume %
Hole volume %
Density
/g.m-3
shear strength/
σc MPa
compression
79.6
80.5
11.2
6.14
4.88
Injection
47.76
66.0
1.0
5.3
7.26

Compare of bonded permanent magnetic magnet NdFeB and SmCo
material
remark
Br/T
Hcb
/kA.m-1
Hcj
/kA.m-1
(BH)m
/kA.m-3
α/Br
β/Hcj
ρ
/g.cm-3
NdFeB
Isotropic
0.69-0.74
360-480
640-1080
64-80
-0.1
-0.4
6.0
Isotropic
0.664
437
716
77
-0.09
-0.4
Anisotropic
0.854
577
927
133
-0.09
Anisotropic
1.015
617
848
178
-0.09
SmCo5
Anisotropic
0.67
796
796
79.6
-0.04
5.7
Sm2Co17
Anisotropic
0.867
557
875
135.0
-0.04
7.1
bigPhoto
 Ms. Annie

Tel: 86-574-87840198
Fax: 86-574-87393806
Mobile: 86- 189 5744 9606
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Company Info

Rainbow Magnet Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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