Alnico Horseshoe Magnets (AINiCo) / Horseshoe (AINiCo)
The AlNiCo horseshoe magnet is 80 mm x 60 mm big and red-green coated. These classic horseshoe magnets are popular in school experiments. A Red-Green AlNiCo Horseshoe Magnet works well for school classes & experiments. Order individual quantities at affordable scaled prices. Ideal for magnetic demonstrations in classrooms or for use as a piece of equipment in the laboratory.
The iconic, red-painted horseshoe magnet is something we all recognise and love. These staple magnets have been manufactured from the material known as Alnico for nearly 100 years and are still used to teach children about magnetism throughout the world. Alnico magnets are permanent magnets that are primarily made up of a combination of aluminium, nickel and cobalt. While Alnico magnets have largely been replaced by stronger rare-earth magnets, they still have many uses. Read on to find out more.
Whether horseshoe magnet school square, compass, iron powder, or ferrofluid magnetic calendar, we have it all. Experience the magnetism of Education and Science. Our school Alnico and Ferrite magnets have a low adhesive force, as they are only meant to display South, and the North Pole. The ever-popular iconic horseshoe magnet has been used for decades in the classroom and science lab to teach children about physics. This horseshoe magnet is small enough to fit in your pocket but will still lift an impressive weight. Each magnet is protected by a red epoxy paint coating. Alnico horseshoe magnets provide a compact, high power magnetic source, and are used for traction, lifting, sorting, clamping and retrieval. They are supplied with ground pole faces, painted and with metal keepers for storage and to help retain magnetic strength. Maximum operating temperature is approximately 930°F (500°C). Alnico horseshoe magnets, also known as minor, pocket or power horseshoe magnets, are available in a number of finishes, dimensions & grades. Alnico horseshoe magnets for use in manufacturing. Choose from several different sizes of horseshoe magnets.
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Horseshoe Magnets are regarded as the most quintessential magnet available and are recognised as the universal symbol for magnets and magnetism. Our handy horseshoe magnets are strong and versatile. They have a maximum operating temperature of 500⁰C. These magnets are perfect for teaching environments when learning about magnetism and the north and south magnetic properties, since both ends are clearly labelled as such. The north and south poles are always shown in different colours or stamped white on a red background. The material composition is normally Alnico although sometimes horseshoe magnets are made of ferrite material.
Alnico is an alloy produced by mixing aluminum, nickel and cobalt with certain addition of other metals like copper, iron and titanium. Capable of producing strong magnetic field, it has an excellent linear temperature characteristics and has wide industrial applications.
Types of Alnico Magnets
On the basis of manufacturing process and application alnico can be grouped into following types:
- Cast Alnico
- Sintered Alnico
- Bar Alnico
Alnico magnets can be fabricated into many shapes and types:
- Alnico's are the strong magnets which can produce strong magnetic fields.
- Excellent resistance to corrosion
- They have superior thermal stability
- These magnets have some of the highest curie points of any magnetic material ranging around 800oC
- Some type of Alnico's are isotropic
- They have high magnetic flux density
- Alnico magnets have applications in the following areas:
- Electric motors
- Electric guitar pickups
- Cow magnets
- Automotive and electronic sensors
- Hall effect sensors
- Reed switches
- TWT aomplifiers
Casting or sintering process is applied for making alnico magnets. The first step involves the pouring of molten metal alloys into moulds. Later it is passed through various heat cycles. The resultant magnets have rough surface which after machining gives a glossy look. Sintered magnets are produced by compacting fine alnico powder in a press, and then sintering the compacted powder into a solid magnet. Alnico magnets can only be magnetized only in the field having magnetizing fields of about 3 kOe. Since these magnets have low coercivity they, must be protected from the adverse repelling fields as this could partially demagnetize the magnets.
After the tolerance magnetizing is effected. As alnico magnets are brittle, they must be protected from hard blows and handled with care. It should be magnetized in a proper magnetic field and must be prevented from the repelling fields as it is prone to demagnetization.
Who supplies high quality Alnico magnets?
Magnosphere.uk.co offers best priced Neodymium magnets globally to all industries, including Automotive, Aerospace, Military, Advertising, Design House, Electronic and Academic/R&D. Please inquire for custom Neodymium magnets or magnetic assembly.
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