neodymium magnets

AlNiCo cylinder magnets for sensors

Alnico magnets are relatively high in magnetic strength, offer excellent temperature stability and can be used in temperatures up to 1000°F (500°C), making them the preferred choice for many industrial applications. Alnico magnets are manufactured through a casting or sintering process, so they can be made into complex shapes, not possible with other magnet materials. Commonly used in the oil and gas, medical, aerospace, military and defense, industrial automation, automotive, and manufacturing industry.
  • Item NO.:

    BHAM-01
  • Lead Time:

    30-35 days
  • Product Orgin:

    China
  • Shipping Port:

    Shanghai
  • min order:

    1000pcs
  • Grade:

    Alnico 5
  • Product Detail

AlNiCo cylinder magnets for sensors

Alnico magnets derive their magnetic properties and name from these elements – ALuminum, NIckel, and CObalt.

Alnico rods/cylinders are good electrical conductors because of the metallic composition. When rods (diameter smaller than thickness) are being used for open circuit applications the thickness should be approximately 5 times the diameter. However, because they are course-grained they are hard and brittle and must not be drilled, conventionally machined or used as structural components.

Industrial Super Powerful AlNiCo Magnets


Ring Cast AlNiCo Permanent Magnets

Products features

1. Material: Aluminum-Nickel-Cobalt magnet

2. Composite: Rare earth magnet

3. Type: Permanent

4. Size: Cusom made as per clients' request

5. Coating: No

6. Advantage:

A. Competitive price

B. Holding high temperature

C. Anti-corrosion & oxidization


Manufacturing Process

Alnico magnet is manufactured through either casting or sintering processes. Cast alnico magnet is manufactured by pouring a molten metal alloy into a mold and then further processing it through various heat-treat cycles. The resulting magnet has a dark gray exterior appearance, and may have a rough surface. Machined surfaces have a shiny appearance similar to steel. Sintered alnico magnet is manufactured by compacting fine Alnico powder in a press, and then sintering the compacted powder into a solid magnet.


Machining & Tolerance

Alnico magnet is hard and brittle, and prone to chipping and cracking. Special machining techniques must be used to machine this material. The Standard tolerances for Alnico magnet is +/- 0.1mm for ground dimensions, but sticter tolerances are possible if specially required.


Surface treatments

The corrosion resistance of Alnico magnet is considered excellent , and no surface treatments are required. However, Alnico magnet is easily plated if specially required.


Application

Cast Alnico 5 is the most commonly used of all the cast Alnicos. This material is used extensively in rotating machinery, meters, instruments, sensing devices, and holding applications, to name a few.

Strong Alnico Magnetic Ring for speakers



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