neodymium magnets

Cast AlNiCo Cylinder Magnet for Sensors

The wheel speed sensor magnet has been used as a core component of the wheel speed sensor for a long time. The AlNiCo magnet can be classified as cast AlNiCo magnet and sintered AlNiCo magnet. For a wheel speed sensor magnet, the sensor manufacturers will use the cast type.
  • Item NO.:

    BHAM-01
  • Lead Time:

    30-35 days
  • Product Orgin:

    China
  • Shipping Port:

    Shanghai
  • min order:

    1000pcs
  • Grade:

    Alnico 5
  • Product Detail

Cast AlNiCo Cylinder Magnet for Sensors

Cast Alnico magnet is composed primarily of Aluminum, Nickel, Cobalt, Copper and Iron. It has very good corrosion resistance and high temperature operation. Although other magnetic materials offer greater energy and coercivity values, the high remanence and thermal stability of AlNiCo makes it the most effective magnetic material for certain applications, like sensors, generator, microphone, lifting, voltmeter and measuring instruments. It is widely applied in high stability fields like aerospace, military, automobile and security systems.

Strong Permanent AlNiCo MagnetCast AlNiCo Magnet Rod Magnet for Speed Meters

Magnetic Feature

1. Good chemistry stability and strong anti-corrosion

2. Excellent stability and magnetic performance

3. Various shapes and size

4. High working temperature

5. Strong magnetic force

6. High intrinsic coercive force


Neodymium sensor magnets

Besides wheel speed sensor, there're thousands of applications for sensor magnet, which require neodymium magnets. Such as hall effect sensor, float sensor, Reed sensor and so on.

Here below is the size range for Neodymium sensor magnets( also can be customized).

Description

Dimension(mm)

Grade

Max working temperature()

           Block sensor magnets

7.62*3.18*3.18

N45H

120

19.05*3.18*3.18

N35H

120

21.00*7.00*4.70

N35H

120

Disc sensor magnets

6.35*6.35

N35H

120

4.4*6.00

N35SH

120


Custom Permanent Magnets for Sensor Applications

Bearheart provides rare earth magnets (Samarium–Cobalt & Neodymium), hard ferrite and AlNiCo permanent magnet, molded magnets for sensor applications. They all come in different sizes and shapes. Meanwhile, they have different magnetic strengths.

Different types of sensors and different working environments require different permanent magnets. Because of magnet’s properties, it should be fully considered a shock, vibration, strong external magnetic fields as well as high temperatures in the design of sensor magnet. All these factors will influence the magnetic force and the long term stability in different ways.

The sintered neodymium magnet is the strongest magnet. The rare earth smco magnets combine high magnetic force and high working temperature. Alnico magnets are the most stable magnet and can work up to 550°C. Ferrite magnets are the cheapest magnet and their coercivity is higher than alnico magnets. Molded magnets are best for the multi-poles requirement and they are customized in various material, shapes and sizes.

Cast AlNiCo Magnet Cylinder Magnet for Sensors



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