A ferrite arc-segment magnet, also known as a ferrite arc magnet, is a type of permanent magnet made from a ceramic material called ferrite. Ferrite magnets are composed of iron oxide (Fe2O3) and other elements such as strontium (Sr) or barium (Ba). They are known for their low cost, high coercivity, and excellent resistance to demagnetization.

An arc-segment magnet refers to the specific shape of the magnet, which is curved or arc-shaped. These magnets are commonly used in applications where a curved or circular magnetic field is required, such as in electric motors, generators, speakers, and magnetic separators.

Ferrite arc-segment magnets are manufactured by sintering the ferrite magnet material into the desired shape. The sintering process involves compacting the powdered ferrite material into a mold and then heating it at high temperatures to fuse the particles together. After sintering, the magnet is magnetized to its final magnetic state.

Ferrite magnets have a relatively low magnetic energy compared to other types of magnets, such as neodymium magnets. However, they offer advantages in terms of cost-effectiveness, temperature stability, and corrosion resistance. Ferrite arc-segment magnets are widely used in various industries due to their affordability and satisfactory performance in many applications.

Production Flow Chart

Application

Ferrite arc-segment magnets are widely used in various applications where a curved or arc-shaped magnetic field is required. These magnets are typically made from ceramic ferrite material, which is a type of permanent magnet with high coercivity and low cost. Here are some common applications of ferrite arc-segment magnets:

Electric Motors and Generators: Ferrite arc-segment magnets are used in electric motors and generators to convert electrical energy into mechanical energy and vice versa. They are often found in fractional horsepower motors, automotive windshield wiper motors, and small appliances.

Automotive Applications: Ferrite arc-segment magnets can be found in automotive components such as electric power steering systems, sensors, and actuators. They are also used in automotive speakers and audio systems.

Magnetic Separators: These magnets are employed in magnetic separators to remove ferrous contaminants from different materials, such as food products, pharmaceuticals, and bulk materials. The arc shape allows for efficient separation and collection of magnetic particles.

Loudspeakers: Ferrite arc-segment magnets are used in the magnets of loudspeakers to produce sound by converting electrical signals into mechanical vibrations. They provide a strong magnetic field for the voice coil to interact with, resulting in the movement of the speaker diaphragm.

Magnetic Resonance Imaging (MRI): In MRI machines, ferrite arc-segment magnets are used as part of the static magnetic field system. These magnets create a strong and uniform magnetic field to align the protons in a patient's body, enabling the production of detailed images for medical diagnosis.

Magnetic Couplings: Ferrite arc-segment magnets are utilized in magnetic couplings, which are used to transmit torque between two rotating shafts without any physical contact. They are commonly used in pumps, mixers, and other industrial machinery where a sealed and leak-proof connection is required.

Magnetic Sensors: Arc-segment magnets can be used in various magnetic sensing applications, such as speed sensors, position sensors, and proximity sensors. They provide a magnetic field that can be detected by Hall effect sensors or magnetoresistive sensors to measure the position or movement of objects.

Magnetic Latches and Closures: Ferrite arc-segment magnets are employed in latches and closures to provide secure magnetic holding forces. They are commonly used in cabinet doors, gates, toolboxes, and access control systems.

These are just a few examples of the many applications where ferrite arc-segment magnets are utilized. Their affordability, durability, and versatility make them suitable for a wide range of industries and devices.

Production Capability and Certification

With Certification of ISO9001:2008, IATF 16949, we offer 80% of the magnet to oversea market for stable quality and reasonable price. Our production capabilty is 1500ton/Month which can meet your demands for production.

If ferrite acr semgnet magnet can not meet you requests for the magnet performance we can also offer the much higher power material neodymium and SmCo magnet to you for reference.