neodymium magnets

Strong AlNiCo Permanent Magnets For Sensors

AlNiCo (Aluminium, Nickel, Cobalt and Iron alloy) is obtained by casting process, shaped in cheap phenolic resin sand moulds. It is the oldest and most stable magnetic material, with temperature coefficients of -0,03%/°C (Br) and -0,02%/°C (HcJ). It can operate in environments up to 500 °C with a very good resistance against corrosion, therefore coatings are seldom required. For multi-pole magnetizing patterns isotropic material is available. Higher energy anisotropy is obtained by external coils orientation during the thermal treatment.
  • Item NO.:

    BHAM-01
  • Lead Time:

    30-35 days
  • Product Orgin:

    China
  • Shipping Port:

    Shanghai
  • min order:

    1000pcs
  • Grade:

    Alnico 5
  • Product Detail

Strong AlNiCo Permanent Magnets For Sensors

AlNiCo magnet is composed of Aluminum, Nickel, Cobalt, and a few transition metals. They have excellent temperature stability, high residual induction, and relatively high energies. Permanent AlNiCo magnet may be manufactured in complex shapes, such as horseshoes, which is otherwise not possible with other magnet materials. They represent the most versatile magnets available.

Cast AlNiCo Block Magnets

Products description

Product Name: High Quality AlNiCo Block Magnets

Material: Aluminum,Nickel,Cobalt,Copper and Iron

Demension: Customized size

Coating:NO Painting or as your request

Shape: Various shapes- blocks, bars, discs, rings, horseshoes, cylinders, etc

Delivery time: 15-30 working days for prototype or batch accordingly

Inner packaging: Put the magnet into the paper box separetely or as your request

Outer packaging: Carton


Feature of AlNiCo Magnets:

Alnico magnets are ideal for corrosive and high heat applications up to 930°F (500°C).

We Can help optimize performance and cost with a variety of Cast and Sintered grades, including Alnico 2, Alnico 5, Alnico 5-7,

and Alnico 8.

Commonly used for various types of sensors.

BEARHEART offers both Cast AlNiCo Magnets and Sintered Alnico Magnets in a variety of grades, shapes and sizes,

The corrosion resistance of AlNiCo is considered excellent , and no surface treatments are required. 

However, AlNiCo magnets are easily plated for cosmetic reasons if required.

Sintered AlNiCo Permanent Magnets


Applications for sensors

AlNiCo magnets are widely used for sensors, Such as hall effect sensor, float sensor, Reed sensor and so on.

A speed sensor is used to determine the acceleration or deceleration of the wheel. These sensors use a magnet and a Hall effect sensor, or a toothed wheel and an electromagnetic coil to generate a signal. The rotation of the wheel or differential induces a magnetic field around the sensor. The fluctuations of this magnetic field generate a voltage in the sensor. Since the voltage induced in the sensor is a result of the rotating wheel, this sensor can become inaccurate at slow speeds. The slower rotation of the wheel can cause inaccurate fluctuations in the magnetic field and thus cause inaccurate readings to the controller.

Super Powerful AlNiCo Block Sensor Magnet





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