Ring SmCo Magnets

Ring SmCo Magnets, or samarium cobalt ring magnets, as an important member of the permanent magnet material family, have demonstrated irreplaceable value in many high-tech and industrial fields with their unique ring structure and excellent magnetic properties. It is made of key elements such as samarium (Sm) and cobalt (Co) through precise powder metallurgy process smelting, pressing and sintering.

Product Advantages

1.Highly concentrated and uniform magnetic field
The ring structure enables the magnetic lines of force to form a highly closed and uniform loop inside the ring. Compared with other shaped magnets, Ring SmCo Magnets can generate extremely stable and concentrated magnetic fields in the central hole area and the space adjacent to the ring wall.

2.Excellent high temperature resistance
The inherent high temperature resistance of samarium cobalt material also shines in ring magnets. Its Curie temperature is generally as high as 700℃ - 800℃, which means that under high temperature conditions, the magnetic attenuation is minimal.

3.Excellent corrosion resistance
The surface of samarium cobalt ring magnets can naturally form a dense protective film, which effectively resists corrosive media such as moisture, acids, alkalis and salts in the external environment.

Application scenarios

New energy field

The permanent magnet synchronous generator part of the wind turbine uses Ring SmCo Magnets to effectively reduce the weight and volume of the generator and improve the power density. Its stable magnetic field helps to accurately capture wind energy under different wind speed conditions and convert it into electrical energy, thereby improving the overall power generation efficiency of the wind power generation system and promoting the development of the clean energy industry.

High-end manufacturing

In some surgical robots and rehabilitation robots, samarium cobalt ring magnets can be used to drive joints and actuators. Its strong magnetic force can provide precise power control, enabling the robot to perform fine movements, helping to improve the accuracy of surgery and the effectiveness of rehabilitation therapy.In addition, the magnetic levitation technology of samarium cobalt ring magnets can be used to develop a magnetic levitation stretcher, which can reduce the vibration and damage to the patient's body during transportation.

FAQ

How to measure magnetic pull?
We use a tensile testing machine in the laboratory to measure the pull. Our pull is obtained under the most ideal conditions, and the actual pull will vary greatly under different uses.

Will the magnet lose its magnetism?
Unless the magnet is damaged, such as being demagnetized by a strong magnetic field, used at high temperatures, or corroded by salt water, the magnet will not lose its magnetism and can maintain almost the same magnetism for more than 10 years.

Can I cut, drill, and weld the magnets we have here?
No, we do not recommend that you process the magnets yourself because the magnets are very brittle and will soon be damaged.

What is the maximum operating temperature of the magnet?
The maximum operating temperature of different magnets varies greatly. The maximum operating temperature of the NdFeB magnet NMH-SH-UH-EH-AH series is 80 to 200℃, and the maximum operating temperature of the Sm1Co5 and Sm2Co17 series of SmCo magnets is 250 to 350℃.

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