Injection molded Neodymium magnets

Besides sintered magnets and bonded magnets categories, injection molded magnet is one of the more important developments in magnetic materials, it has opened a new world of application opportunities. Similar to plastic injection molding, magnet injection molding process is by mixing the magnetic powder together with polymer binder, heated in the injection machine and shooting the melted mixtures into the mold to achieve different shapes of products.

Injection molded Neodymium magnets

Injection molded Neodymium magnets

Features and benefits of injection molded NdFeB

l Injection molded magnets can be of very complex shapes with high precision, typically, tolerance is+/- 0.005mm, it is suitable for high precision parts
l It is a new technology to achieve adjustable magnetic properties, composite molding, elastic magnetization and high mechanical strength
l By doing insert molding, magnetic material can be directly molded into or onto other assembly components without further assembly process
l Magnetic powder is neodymium-iron-boron (NdFeB), either isotropic or anisotropic. And Polymer binders utilized are PA6,PA12 and PPS
l Anisotropic NdFeB powder achieves the highest magnetic force as injection molded magnet. And it is possible to achieve BHmax 17GMOe, and can replace some of sintered products

Applications
(Super) Compact Motor, Actuator, Compact Sensor, Motor, etc

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