Machining & Tolerances
Alnico is hard and brittle, and is not suitable for drilling,
tapping or conventional machining operations. Standard tolerances
for ground dimensions are +/-0.1mm. Un-ground surfaces are gray to
dark brown in color but are bright metallic after grindingTemperature Considerations
Alnico has the lowest temperature coefficient of any commercial
magnet material, providing for excellent stability over a wide
temperature range. The maximum operating temperature for Alnico is
Block,Bar, Rod, U shape, as the request of clientsWhy we choose Alnico magnet?
1. High energies and relatively low coactivity.
2. Excellent ability to withstand extreme temperatures stability
(as high as 500oC, 930oF)
3. High magnetic flux density,Applications
Alnico magnets are widely used in industrial and consumer
applications where strong permanent magnets are needed; examples
are electric motors, electric guitar pickups, microphones, sensors,
loudspeakers, traveling-wave tubes, and cow magnets. In many
applications they are being superseded by rare earth magnets, whose
stronger fields (Br) and larger energy products (BHmax) allow
smaller size magnets to be used for a given application.
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