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4-Poles Cast Multi-Polar AlNiCo Magnet for Rotor Turbine Generator, AlNiCo Rotor Permanent Magnet 4-Poles for Synchronous Motors and Dynamos, Cast Alnico Magnet System, Multi-Poles AlNiCo Magnet, Al-Ni-Co rotor shaft magnet, Multi Polar Alnico Magnetic Rotor Core, custom alnico rotor magnet China Supplier
4-Poles Cast Multi-Polar AlNiCo Magnet for Rotor Paramenters
Part No. MPCOARM-4 SERIES
Size: 1.24″ Dia. x 0.75″
Number of Poles: 4
Permanent alnico magnet material
Especially effective on thin metal
4-Pole Magnetic face
Permanent alnico 5 rotor magnet material. Especially effective on thin metal. 4-Pole magnetic face. Counter sunk center mounting Hole.
Alnico rotor magnets are designed with multiple poles; each pole alternates in polarity. The hole in the rotor is designed for mounting onto shafts. They are excellent for use in synchronous motors, dynamos and air turbine generators.
ALNICO magnets are made from aluminum, nickel, cobalt, copper and iron. Great for high heat applications. Maximum working temperature 975°-1020° F.
We can supply various sizes of AlNiCo magnets, according to the customer’s requests and designs. Please contact us and provide the shape, size, tolerance and grade of ALNiCO magnets. If you need assistance with your requirements, please contact us. Multi-Poles Rotor Magnet Permanent AlNiCo Six-Poles
Alnico has the best temperature coefficient of any but the most advanced commercial magnet material, providing for excellent stability over a wide temperature range. A properly designed circuit using alnico magnets will have a stable flux output during temperature fluctuations. Although Alnico displays considerable residual induction it conversely exhibits among the lowest coercivity of any magnetic material. A consequence of low coercivity is sensitivity to demagnetizing effects caused by external magnetic fields, shock, and application temperatures. For critical applications, Alnico magnets can be magnetically stabilized to minimize these effects. Alnico magnets can be partially demagnetized if like poles of magnets are brought together. Placing individual magnets in contact with ferrous materials can also partially demagnetize them. Care must be taken in handling magnetized magnets. Typical open circuit Alnico 5 applications require a long magnetic length to pole surface ratio (usually 4:1 or greater) to ensure good magnetic performance. with MPCO’ technical staff to confirm best ratio for your application.
Dimensions are in inches. Direction of magnetization is through the length. Other sizes, shapes, and grades of Alnico are available from stock, and we can fabricate to your specifications.
Grinding and Tolerances
Alnico is hard and brittle, and is not suitable for drilling, tapping or conventional machining operations. Close tolerances are attained by abrasive grinding and cutting. Adams provides in-house cutting and grinding to meet your application requirements.