Bonded magnet

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Generally, the bonded NdFeB magnet is produced by molding compression of the compound NdFeB alloy powder with epoxy resin, also it can be made by injection or extrusion from NdFeB alloy powder mixed with plastic.

The characteristics are as follows: Higher Magnet Property.Large Freeness of Product Shapes and High Precision of Dimension:Good Corrosion Resistance: after electrodeposited or through other special treatments,Diverse magnetization: It has high production efficiency, suitable for mass production.

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Bonded Magnet Advantages

Specializing in the production of a variety of high precision and complex shapes of bonded NdFeB magnets;
Professional at complex shape magnet with iron parts, copper parts, plastic parts, housing, shaft injection molding completely;
The whole set of bonded NdFeB rotor and stator assembly can be provided, Strong integration capability;
We have nearly 10 years of experience in designing magnetic circuit and in magnetizing;
Coil design and manufacturing. The magnetization wave form could be square, sinusoid and so on;
Provide a variety of different magnetization, Radial magnetization, multi-pole magnetization, Radial multi-pole magnetization and Composite encoder magnetization, magnetic performance stability, uniformity, good consistency;

Bonded magnet Application Field

Bonded NdFeB Magnets are mainly applied to sorts of mini-sized and special motors, such as spindle motor (HDD,CD-ROM and DVD), stepping motor, synchronous motor, DC motor and brushless motor, etc.It can replace sintered NdFeB magnet and ferrite, making motor assembling simpler and more reliable, reducing costs and improving efficiency.

: Bonded magnet

: Bonded magnet

Bonded magnet Temperature Demagnetization Curves

Bonded magnet Bonded NdFeB Magnet Introduction

Grade	BR		Hcb		Hcj		BH(max)		Coefficient of B	Max.Operating TEMP
Grade	mT	kGs	kA/m	kOe	kA/m	kOe	kJ/m	MGOe	%℃	℃
BNM-2	300-400	3.0-4.0	240-320	3.0-4.0	480-640	6.0-8.0	24-32	3.0-4.4	-0.11	160
BNM-4	400-500	4.0-5.0	240-320	3.0-4.0	560-720	7.0-9.0	32-48	4.0-6.0	-0.11	160
BNM-6	500-600	5.0-6.0	320-400	4.0-5.0	560-720	7.0-9.0	48-60	6.0-7.5	-0.11	160
BNM-8	600-680	6.0-6.8	360-440	4.5-5.5	640-800	8.0-10.0	60-72	7.5-9.0	-0.11	160
BNM-8L	600-680	6.0-6.8	400-480	5.0-6.0	640-800	8.0-10.0	64-72	8.0-9.0	-0.11	160
BNM-8H	600-660	6.0-6.6	400-480	5.0-6.0	1040-1360	13.0-17.0	64-72	8.0-9.0	-0.1	180
BNM-8SR	620-680	6.2-6.8	400-480	5.0-6.0	800-1120	10.0-14.0	68-76	8.5-9.5	-0.1	180
BNM-10	680-730	6.8-7.3	400-480	5.0-6.0	640-800	8.0-10.0	76-84	9.5-10.5	-0.1	160
BNM-10H	700-750	7.0-7.5	440-520	5.5-6.5	640-800	8.0-10.0	80-88	10.0-11.0	-0.1	160
BNM-12	720-770	7.2-7.7	440-520	5.5-6.5	720-800	9.0-10.0	88-96	11.0-12.0	-0.1	160
BNM-12D	720-770	7.2-7.7	440-520	5.5-6.5	720-880	9.0-11.0	88-96	11.0-12.0	-0.1	160
BNM-12H	740-800	7.4-8.0	440-520	5.5-6.5	760-880	9.5-11.0	88-96	11.0-12.0	-0.1	160
BNM-12L	760-810	7.6-8.1	400-480	5.0-6.0	480-640	6.0-8.0	88-96	11.0-12.0	-0.12	150
BNM-13L	780-830	7.8-8.3	400-480	5.0-6.0	480-640	6.0-8.0	88-104	11.0-13.0	-0.12	150