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MAGNET CORES

made of crystalline, amorphous and nanocrystalline alloys for a wide application spectrum in power electronics, IT and installation technology

VAC has many years of expertise in manufacturing of cores using tapes of the most varied alloys with a wide spectrum of properties.

For example, a saturation induction range of 0.5 - 2.4 Tesla with accurate application of appropriate technology enables outstanding magnetic properties in almost all areas of application.

A manufacturing process well optimized to specific initial materials allows to produce cores with properties well adjusted to the particular application.

Amorphous/ nanocrystalline

Amorphous structures (CoFeMoSiB) Nano-crystalline structures (FeCuNbSiB)

Crystalline

Crystalline structure (NiFe, CoFe)

Rapid solidification

more

Vacuum Induction Melting

more

Frequency Characteristic

Frequency Characteristic is defined by tape thickness
Crystalline:
specific cold rolling steps (50 - 100 µm)
Amorphous, nano-crystalline:
casting technology (17 - 25 µm)more

Hot and Cold Forming

mehr


Cutting & eddy current isolation



Winding

Stress-free winding of toroidal tape cores on high-speed automatic machines. Realised diameter: 2mm - 1100 mm

Heat Treatment

Defining the magnetic properties by setting the structure, relaxing the material partially under magnetic field.more

Mechanical Protection

Encapsulation in plastic cases or coating with epoxy resin.more

Final inspection

Precise monitoring of application-specific variables State-of-the-art measuring technology guarantees compliance with the agreed specification

 

Last update: 02.07.2012

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