Y30 ferrite magnet , strontium ferrite magnet

What's ferrite magnets?

Ferrite magnets, also known as ceramic magnets, are a type of Permanent Magnet made from a composite of iron oxide and barium/strontium carbonate. They are known for their high resistance to demagnetization and low cost. Ferrite magnets are relatively brittle and have lower magnetic strength compared to other types of magnets like neodymium magnets. They are commonly used in various applications such as loudspeakers, motors, magnetic separators, and refrigerator magnets.

Anisotropic Ferrite Magnets, Isotropic Ferrite Magnets, Ferrite Permanent Magnets, Magnet Disc

The production of ferrite magnet?

The production of ferrite magnets involves several steps:

1. Raw material preparation: The main raw materials used in ferrite magnet production are iron oxide (Fe2O3) and strontium carbonate (SrCO3) or barium carbonate (BaCO3). These materials are carefully weighed and mixed in specific proportions to achieve the desired magnetic properties.

2. Mixing and milling: The mixed raw materials are then milled together to form a fine powder. This step helps in achieving a homogeneous mixture and reducing the particle size of the powder.

3. Pressing: The milled powder is pressed into the desired shape using a hydraulic press. The powder is placed in a mold and subjected to high pressure to compact it into a solid form.

4. Sintering: The pressed compacts are then sintered in a high-temperature furnace. During the sintering process, the compacts are heated to temperatures above 1200°C (2192°F) in a controlled atmosphere. This allows the particles to fuse together and form a solid magnet with improved magnetic properties.

5. Machining: After sintering, the magnet is machined to achieve the desired shape and dimensions. This may involve cutting, grinding, or drilling depending on the application requirements.

6. Surface treatment: The magnets may undergo surface treatments to improve their corrosion resistance or enhance their appearance. This can involve coating the magnets with a protective layer of epoxy or other materials.

7. Magnetization: The final step is magnetization, where the magnets are exposed to a strong magnetic field to align the magnetic domains within the material. This process ensures that the magnets exhibit the desired magnetic properties.

After these steps, the ferrite magnets are ready for use in various applications such as motors, speakers, sensors, and magnetic separators.

The material grade of Ceramic Magnet:

The size of Ferrite Disk Magnets:

The introduction of equipment:

Electric kilns are essential equipment for pottery and ceramics artists who need to fire their work at high temperatures. These kilns are powered by electricity and can reach temperatures of up to 2300°F. They come in different sizes and shapes, from small tabletop models to large industrial kilns.
Electric kilns consist of several components, including the heating elements, the temperature controller, the thermocouple, and the kiln shell. The heating elements are responsible for generating heat and are made of high-temperature resistance wires. The temperature controller regulates the temperature inside the kiln and ensures that it stays within the desired range. The thermocouple is a sensor that measures the temperature and sends signals to the temperature controller. The kiln shell is made of heat-resistant materials and provides insulation to maintain the temperature inside the kiln.

Electric kilns are versatile and can be used for various types of firing, including bisque firing, glaze firing, and low-temperature firing. They are also easy to use and require minimal maintenance. However, they can be expensive to purchase and operate, and they require a dedicated electrical circuit to function properly.

Factory case show: