Motorcycle Engine Motor Magnet with Anisotropic Sintered Design

Permanent Magnet Ferrite Used In Motor Of Motorcycle Engine Motorcycle Ferrite Magnets

What does Xinheng offer to customers?

Our company manufactures an-isotropic ceramic strontium ferrite magnet made by means of wet compression molding.

What's the feature of ceramic strontium ferrite magnet made by wet compression molding?

• Composition - Contain strontium ferrite (SrFe12O19) as the primary magnetic material. Strontium ferrite has good magnetic properties and is inexpensive to produce.

• Density - Have a high relative density of around 95% or more after sintering. This gives good mechanical strength.

• An-isotropy - Exhibit strong magnetocrystalline an-isotropy due to their hexagonal crystal structure. This results in a preferred direction of magnetization along one axis.

• Particle shape - The strontium ferrite powder used typically has a hexagonal platelet morphology which helps promote magnetic an-isotropy during molding and sintering.

• Molding method - The powder is mixed with a liquid binder and compression molded into a dense green compact using high pressures. This orients the an-isotropic particles.

• Firing process - The compact is then sintered at high temperature to develop density while preserving the induced magnetic anisotropy orientation from molding.

• Remanence - Have a maximum magnetic flux density or remanence along the axis of anisotropy, but little/no remanence perpendicular to it.

• Coercivity - Usually have medium to high coercivity depending on additives, density, and anisotropy level achieved.

What's the key advantages of ceramic strontium ferrite magnets made by wet compression molding?

• Low cost - Strontium ferrite is inexpensive and the wet molding process is relatively simple. This makes them cheaper than rare-earth magnets.

• High magnetic property-Even without heavy rare earth element additions, strontium ferrite magnets can achieve coercivities of 700-1000 kA/m, making them suitable for many applications.

• Dimensional consistency - The compression molding process allows for close dimensional tolerances and uniform magnet shapes to be produced consistently.

• Temperature stability - Strontium ferrite magnets have high Curie temperatures, typically around 450-470°C. They maintain good magnetic properties over a wide operating temperature range.

• Resistance to corrosion - Being fully dense ceramic materials, they are not prone to corrosion like bonded magnets containing additives.

• Mass production capability - The molding process is amenable to automated high-volume manufacturing of complex magnet geometries.​​

PHYSICAL PROPERTIES OF SINTERED FERRITE MAGNETS

What's the application of Xinheng's permanent ferrite magnets?

Xinheng mainly manufactures the following types of ceramic arc segment magnets:

• Automotive motor magnet including automobile starter motor magnet, automobile wiper motor magnet, automobile rolling window motor magnet, automobile heating and cooling fan motor magnet, automobile seat motor magnet, automobile sunroof motor magnet, automobile powsteering motor magnet, automobile tailgate motor magnet, automobile oil pump motor magnet, automobile ABS anti-lock motor magnet, etc.
• Inverter home appliance magnet including inverter washing machine motor magnet, inverter refrigerator motor magnet, inverter air-conditioner motor magnet,etc.
• Fan motor magnet including ceiling fan motor magnet, floor fan magnet, etc.
• Motorcycle motor magnet including motorcycle starter motor magnet, motorcycle flywheel magneto magnet, etc.
• Electrical tool motor magnet including cutting machine motor magnet, electric sawing machine motor magnet, lawn mower motor magnet, gasoline generator magnet, etc.
• Actuator motor magnet including medical bed actuator motor magnet, TV lifting bracket actuator motor magnet, desk lifting actuator motor magnet, smart home appliance actuator motor magnet, etc.

How Xinheng fabricates its permanent strontium ferrite magnet?

FERRITE POWDER GRADE OF AUTOMOBILE Blower MAGNET

AUTOMOBILE Blower MAGNET SPECIFICATION TABLE

Permanent magnet ferrite plays an important role in motorcycle engines, mainly used in the field of motors and sensors:

Permanent magnets in motors: In motor motors of motorcycles (such as starter motors or other auxiliary motors), permanent magnet ferrite can be used as a permanent magnet in the rotor part, providing the necessary magnetic field. This design can improve the efficiency of the motor and reduce the size and weight of the motor, thereby improving the performance and handling of the motorcycle.
Reduce energy consumption: Compared to using the current provided by the power supply to generate a magnetic field, permanent magnet ferrite can maintain a stable magnetic field, thereby reducing energy consumption, which is an important factor in improving the overall energy efficiency of a motorcycle.
Improved starting performance: During the starting process of the motorcycle, the permanent magnet ferrite can provide strong starting torque to ensure that the engine can start smoothly. This is especially important in cold starts or under high load conditions.
High temperature resistance and stability: permanent magnet ferrite has good heat resistance and stability, can be used in harsh working environment for a long time, to adapt to the motorcycle engine in high temperature, high vibration and other conditions of operation.
Applied to sensors: In all kinds of sensors of motorcycles (such as position sensors, speed sensors, etc.), permanent magnet ferrite is also often used as a magnetic field source to improve the working accuracy and sensitivity of the sensor.

To know more about Xinheng Magnets

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