The significant advantage

Plastic-bonded SmFeN magnets

Plastic-bonded SmFeN magnets have a significant advantage: Their geometries can be customized to fit the application. This is done through injection molding processes.

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Samarium, iron, nitrate, binding agents such as polyamide 12 or PPS

Plastic-bonded, injected

See data sheet

Can take almost any shape

Product

Versatile range of shapes

Injected, plastic-bonded SmFeN magnets can take almost any shape, exhibiting a certain degree of flexibility. However, this is not comparable with purely injected plastics without ferrite content. Thanks to the production method – injection molding – very high shape tolerances can be achieved. This can eliminate the need for additional processing steps. Moreover, it is possible to combine the magnets with insert parts in the same process step and create complex components – simplifying subsequent assembly.

Application Fields

Drive technology

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High corrosion resistance

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Almost any geometry

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No further processing necessary

SPECIFICATIONS

Many geometries and levels of magnetization possible

Plastic-bonded SmFeN magnets have a much higher magnetic performance than hard ferrites. As a result, the complete system configuration can be much smaller. With an equally complex range of shape options, they are mechanically resilient and almost any magnetization level can be chosen. SmFeN magnets are corrosion-resistant and have very low aging at high temperatures.

Chemical Resistance

Largely Resistant

Engine oil

Organic solvents

Salts in aqueous solution

Sea water

Conditionally Resistant

Uric acid < 10%

Not Resistant

Uric acid

Acids and alkalis

PRODUCTION PROCESS

All of the advantages of injection molding

Plastic-bonded SmFeN magnets, created through the injection molding process, combine all the benefits of pure plastic injection molding with the fourth dimension – magnetism.

Information

Note

The resistance to acids and alkalis depends on the plastic used. This needs to be checked for each specific application. Rare-earth magnets must be magnetized after the injection molding process using suitable magnetizing coils.

TECHNICAL DATA

What the plastic-bonded, injected SmFeN magnet can do

The high-performance rare-earth magnets are elastic, exhibit high shape tolerances and can be prepared with insert parts for assemblies. They feature minimal aging at temperature and are corrosion-resistant.

SmFeN injection molded, anisotropic

Grade

Further Questions? Talk to an Expert!

Jürgen Goltz

Key Account Manager

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