Ring Ferrite Magnet/Permanent Ferrite Magnet

What's Ferrite Ring Magnet?

A ferrite ring magnet is a type of Permanent Magnet made from a ceramic material called ferrite. It is also known as a ceramic ring magnet or ferrite core magnet. Ferrite magnets are made by mixing iron oxide with other materials such as strontium or barium and then sintering the mixture at high temperatures.

Ferrite Ring Magnets have a circular shape with a hole in the center, hence the name "ring magnet." They are widely used in various applications due to their low cost, high electrical resistance, and good resistance to demagnetization.

These magnets are commonly used in electronics, such as speakers, motors, and transformers, as well as in magnetic assemblies, magnetic separators, and magnetic therapy devices. They have a relatively low magnetic strength compared to other types of magnets, but they are still effective for many applications.

The production of Permanent Ferrite Magnet?

The production of Permanent Ferrite Magnets involves several steps. Here is a general overview of the process:

1. Raw materials: The main ingredients used in ferrite magnet production are iron oxide (Fe2O3) and strontium carbonate (SrCO3) or barium carbonate (BaCO3). These materials are mixed in specific proportions according to the desired magnetic properties of the final product.

2. Mixing: The iron oxide and carbonate powders are mixed together in a ball mill or a similar grinding machine. This ensures a homogenous distribution of the particles and helps in achieving the desired magnetic properties.

3. Forming: The mixed powder is then pressed into the desired shape using a hydraulic press. The press applies high pressure to compact the powder into a solid mass. The shape can be a disc, block, or any other desired form.

4. Sintering: The formed magnets are then subjected to a high-temperature sintering process. This involves heating the pressed shapes in a furnace at temperatures ranging from 1000 to 1300 degrees Celsius. The sintering process helps in bonding the particles together and transforming the pressed shapes into a solid magnet.

5. Machining and finishing: After sintering, the magnets are machined to achieve the desired dimensions and surface finish. This can involve processes like grinding, cutting, and polishing.

6. Magnetization: The final step in the production process is magnetization. The magnets are subjected to a strong magnetic field to align the magnetic domains within the material. This ensures that the magnet exhibits a strong magnetic field in the desired direction.

7. Quality control: Throughout the production process, various quality control measures are implemented to ensure that the magnets meet the required specifications. This can include testing the magnetic properties, dimensions, and overall quality of the finished magnets.

It is important to note that the specific production process may vary depending on the manufacturer and the desired magnet specifications.

If you also need other goods,such as Sintered Neodymium Magnet,Anisotropic Cylinder Ferrite Magnets,Custom Anisotropic Ferrite Magnets,feel free to contact us.