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Hard Ferrite Magnet
Ferrite Material grade
Demagnetization Curves
Dimension Range/Nominal Tolerance
Ferrite Block Magnets
Ferrite Ring Magnets
Ferrite Segment Magnets
Ferrite Assembly
Customer Specific Ferrite Magnets
Magnetization Direction of Ferrite Magnets
More Information on Ferrite Magnets
Catalogue of Ferrite Magnets (PDF)
Other Magnetic Materials
Magnetic Devices

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Online Calculator:
Pull force between two disc magnets
Pull force between disc magnet and flat
Pull force between two block magnets
Pull force between block magnet and flat
Magnetic field of a Disc magnet
Magnetic field of a block magnet

Dimension Range/Nominal Tolerance of Hard Ferrite (Ceramic) Magnets

Ring Magnet Outer Diameter (mm) Inner Diameter (mm) Thickness (mm)
Maximum 220 110 40
Minimum 2.6 1.8 0.5
Tolerance ±0.2 ±0.15 ±0.1

Block Magnet Length (mm) Width (mm) Thickness (mm)
Maximum 220 200 40
Minimum 2.0 1.5 0.5
Tolerance ±0.2 ±0.15 ±0.1

Disc/Cylinder Magnet Diameter (mm) Thickness (mm)
Maximum 220 40
Minimum 1.2 0.5
Tolerance ±0.2 ±0.1

Segment & other irregular shapes can be manfactured according to customer's sample or drawing/blue print

Technologies GmbH & Co. KG
Markt Schwabener Str. 8
85464 Finsing, Germany
Tel.: +49-(0)8121-2574100
Fax: +49-(0)8121-2574101
Email: info@chenyang.de
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