Bonded Injection Moulding Ferrite Magnet for Sensor

Bonded Injection Moulding Ferrite Magnet for Sensor, 8-polars Permanent Radial Ring Ferrite Magnet, Ferrite Multi-Polar Magnet, Multipoles bonded ferrite ring magnet, Industry Application Bonded Multipolar Permanent Magnets

Bonded Injection Moulding Ferrite Magnet for Sensor Basic Info:

Ferrite, also known as Ceramic Magnets, are made of a composite of Iron oxide and barium carbonate (BaCO3) or strontium carbonate (SrCO3). Since th 1950’s, this material is commonly available and at a lower cost than other types of materials used in permanent magnets. Ceramic magnets are made by pressing and sintering. Sintered magnets are a type of ceramic composed of the compressed powder of the alloy material being used. Sintering involves the compaction of fine alloy powder in a dry and then fusing the powder into a solid material with heat. While the sintered magnets are solid, their physical properties are more similar to a ceramic and are easily broken and chipped.
Ferrite magnets are brittle and hard , which generally requires diamond wheels to grind and shape. These magnets come in a number of different grades. Ferrite Multipolar Ring Magnets, 2-Polar Ring Axial Ferrite Magnet, Planar Block Ferrite Bipolar Magnet

Advantages of Bonded Magnets
*Produced with high efficiency, stability and repeatability.
*Magnet and other part may form together in one step.
*Free choice of magnetizing direction-especially for multi-polar applications
*High dimensional accuracy-large quantity applications with minimum post-press machining.
*Thin-wall ring and complex shape magnets.
*High resistance to corrosion.

Coating:
1. Black, grey Epoxy;
2. Prylene.

Magnetization:
Thickness Magnetization, Radiation Magnetization, Multi-pole Magnetization

Performance:
Br T: 0.55-0.80
(BH)max k J/M3 (MGOe): 44-92 (5.5-11.5)
Tw 0C: 110-150

Produts Tech:
Powder–Belending–Granulation–Compaction–Curing–Refining–Coating–Magnetization–Packing

Features:
1. High precision;
2. Excellent magnetic properties;
3. Stable working temperature;
4. Good corrosion-resistance and nice surface.

The complete combination of injecting process and high-property rare-earth powder makes it possible to form easily the anisotropic(especially radial anisotrotropic)super-thin ring or block magnets in complex shapes.The products can be formed in a unit together with other components.This process provides high precision and high acceptable rate of products.

Usages:
1. The compression molding magnets, as for simple mould and high magnetic properties, are widely used in stepping motor, CD-ROM spindle motor, general motor, vibrating motor, pick-up, HDD spindle motor, and FDD spindle motor.
2. The injection molding magnets, as for complex mould, magnetic properties around 6 to 7 MGOe, and highly consistency, are widely used in electric expansion valve, air-condition motor etc,.