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Custom SmCo Magnet Shape

Home / Product / Samarium Cobalt Magnet / SmCo Magnet Shape
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Adhering to the concept of win-win cooperation and mutual benefit, the company is committed to providing customers with environmentally friendly and high-quality magnetic materials and their application technologies to help customers solve technical problems.

  • Arc

    Almost all of arc magnet is served for both rotor and stator in permanent magnet (PM) motor, generators, and magnetic coupling devices.

  • Block

    Block magnet is generally specified according to the Length x Width x Thickness. The first two dimensions specify the pole face's size of each magnet, then the last dimension detail the magnetization direction, or distance between the N pole and S pole. Block magnet can be further classified to rectangular magnet, slab magnet, cube magnet, and square magnet in accordance with the relationships of above three dimensions.

  • Disc

    SmCo disc magnets are typically sized by diameter (D) and thickness (T). Samarium-cobalt disc magnets generally have a metallic appearance and do not require protective surface treatments due to their excellent corrosion resistance. In addition, SmCo disc magnets are also very resistant to demagnetization and therefore perform well at high or very low temperatures. The 5G circulator magnet is a representative application of samarium cobalt disc magnets in recent years.

  • Cylinder

    Cylinder magnet is also referred as the rod magnet. Cylinder magnets are generally specified according to the diameter (D) x length (L), where the length is equal to or exceeds the diameter. Thereby, cylinder magnets are also known as high L/D ratio magnets.

  • Ring

    Ring magnet is circular in shape with a concentric hole inside it. Ring magnets can be divided to pure ring or countersunk ring based on the detailed shape of the inner hole. Ring magnet is typically measured by the outer diameter (O.D.), inner diameter (I.D.), and thickness (T). Ring shaped magnet can be magnetized with its N pole and S pole opposite flat end surfaces or diametrically magnetized so as to the N pole is on one curved side and the S pole is on opposite curved side which totally same as disc magnet. Besides the conventional axially magnetized or diametrically magnetized magnets, radially oriented magnet is also available for Neodymium magnet and ferrite magnet.

  • Special-Shaped

    Special shaped magnet are mainly used in special occasions, such as magnetic connectors, and some non-standard components. Common heterogeneous magnets include large and small end magnets, T-shaped magnets, chamfered magnets, semicircular magnets, concave and convex magnets, and slotted magnets. The company can complete various shapes according to the drawings provided by customers to meet their needs.

About Our Company

Magnetic material core technology research and development team

Hangzhou Zhiyu Magnetic Technology Co., Ltd. is China Arc Tile SmCo Magnets manufacturers and Samarium Cobalt Motor magnet factory. Hangzhou Zhiyu Magnetic Technology Co., Ltd. is located in Tonglu County, Hangzhou City. It mainly focuses on the research and production of samarium cobalt permanent magnetic materials and magnetic components, and also sells magnetic steel and magnetic components such as neodymium iron boron and aluminum nickel cobalt.
The products are widely used in industries such as national defense and military, aerospace, permanent magnet (high-speed) motors, hydrogen energy compressors, automotive electronics, 5G communication, petrochemical, instrumentation, etc. The variety of samarium cobalt products is complete, with an annual production capacity of over 200 tons;
Fully covering the entire series of samarium cobalt grades of 1:5 and 2:17, covering the entire series of Br0.5T-1.2T;
Stable production of high-performance samarium cobalt magnetic steel with Br ≥ 1.16T and Hcj≥25KOe;
Stable production of Br≥0.96T low-temperature coefficient series products, with residual magnetic temperature coefficient a<-0.01%;
Stable production of ultra-high temperature (temperature resistance ≥ 550 ℃) and high Br (Br ≥ 1.02T) samarium cobalt magnetic steel;
Provide one-stop services from design to product application.

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Industry knowledge

What are the different shapes available for SmCo magnets?
Samarium cobalt (SmCo) magnets are widely used for various applications, and their effectiveness often depends on their shape. Here are some commonly used shapes for SmCo magnets:
1. Disc/Cylinder: This is one of the most popular shapes for SmCo magnets. They have a cylindrical or disc-like form with equal diameter and height. Depending on the specific application, these discs can be thin or thick.
2. Block/Rectangular: SmCo magnets also come in block or rectangular shapes. These magnets have a rectangular cross-section with varying lengths, widths, and thicknesses. They are often preferred when a larger surface area is required.
3. Ring/Torus: SmCo magnets can be manufactured in ring or torus shapes, featuring a circular or annular geometry. They have a central hole, making them suitable for applications where they need to be mounted around a shaft or used in rotating assemblies.
4. Arc/Segment: Arc or segment-shaped SmCo magnets have a curved geometry resembling a portion of a ring or cylinder. They are commonly employed in motors, generators, and other applications where a specific arc shape is necessary to interact with other magnetic components.
5. Custom Shapes: In addition to the standard shapes mentioned above, SmCo magnets can also be manufactured in custom shapes to meet specific application requirements. These custom shapes can vary widely and may include complex geometries tailored to fit unique design needs.
The choice of magnet shape depends on the specific application and the interaction required with other components. The different shapes allow for versatility in design, ensuring that SmCo magnets can be used in a wide range of applications effectively.
How does the shape of a SmCo magnet affect its magnetic properties?
The shape of a SmCo magnet can have an impact on its magnetic properties in several ways:
Magnetic Field Distribution: The shape of a magnet affects how the magnetic field is distributed around it. Different shapes can result in variations in the magnetic field strength, direction, and distribution. For example, disc-shaped magnets have a relatively uniform magnetic field along the axial direction, while arc-shaped magnets concentrate the magnetic field towards the curved portion.
Magnetic Field Orientation: The shape of a magnet can determine the orientation of its magnetic field. This can be important in applications where the magnet needs to interact with other magnetic components or align with specific directions. For instance, a ring-shaped magnet with a central hole allows for magnetic field alignment along the axis passing through the hole.
Magnetic Flux Density: The shape of a magnet can affect the magnetic flux density, which is a measure of the strength of the magnetic field. Different shapes can result in variations in the flux density at different regions. For example, block-shaped magnets may have higher flux density at the poles compared to the sides.
Magnetic Performance: The shape of a magnet can influence its overall magnetic performance, such as its magnetic energy product, coercivity, and remanence. Changes in shape can impact the magnetic circuit and affect factors like magnetic stability, demagnetization resistance, and maximum energy storage capability.
Mechanical Interactions: The shape of a SmCo magnet can also affect its mechanical interactions with other components. For example, a ring-shaped magnet with a central hole can be easily mounted around a shaft, while a block-shaped magnet can provide larger contact surfaces for better mechanical stability.
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