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In the field of rotation detection and motor control, multi-pole magnetic rings have always played a crucial role. Today, I will introduce an article about a dual-plane 10-pole magnetized magnetic ring, including its characteristics, advantages, magnetic pole distribution, and main applications.
The dual-plane (axial) 10-pole magnetized magnetic ring is a special type of annular permanent magnet, with its magnetic poles distributed along the circumferential direction on two parallel end faces of the ring. This type of magnetic ring is usually made using injection molding or bonding processes, such as by mixing ferrite or neodymium-iron-boron powder with plastic or rubber binder and then pressing them together. The term "10-pole" refers to the fact that there are five pairs of N-S magnetic poles evenly distributed around the circumference
The key advantage of dual-plane magnetization lies in its more uniform magnetic flux distribution. Since both the upper and lower planes of the magnetic ring feature a complete 10-pole magnetization structure, the magnetic field propagates in two directions, allowing the sensor to detect clear polarity changes on either side. This resolves the issues of magnetic field asymmetry and weak signals on the opposite side found in traditional single-plane designs.
Magnetic Pole Distribution of a 10-Pole Ring Magnets
Compared to traditional 2-pole or 4-pole magnetic rings, 10-pole magnetization offers higher resolution and control accuracy. Within the same rotation angle, there are more cycles of magnetic field changes, allowing Hall sensors or magnetoresistive sensors to capture denser signal variations, thus achieving more precise position detection and speed measurement.
In brushless DC motors, it collaborates with Hall sensors to facilitate electronic commutation. The 10-pole design enables more frequent and smoother commutation, resulting in reduced torque ripple and lower operational noise. In servo motor encoder systems, the magnetic field variations generated during the rotation of the magnetic ring are detected by multiple sensors. Through signal processing, high-resolution angular information can be obtained, supporting precise position control and speed feedback. Smart door locks, robotic joints, medical equipment, automotive steering systems, and many other applications utilize this type of magnetic ring as a position sensing component.
The above provides an overview of the double-sided 10-pole magnetizing ring. Our company offers a variety of single-sided and double-sided multi-pole magnets in different materials, and we can customize them according to your technical specifications. Please contact our customer service team via the website if you have any inquiries.
The 10-pole ring magnets are now available on the website;
Inner magnetized 10 pole neodymium magnet ring 32.6mm x 28.6mm x 6mm
Radial magnetization 10 pole neodymium magnet ring 27x22.7x21mm
This product is a radially magnetized 10-pole (5N5S) ring magnet, the material is bonded NdFeB, the surface coating is black epoxy, the magnet size is 27mm outer diameter, 22.7mm inner diameter, 21mm height, if you feel this specification If you are interested, you can contact our company for a quotation, provide samples...
This product is a 12 poles axial ferrite ring designed for rowing machines. It features a relatively large central bore and is manufactured from high-performance sintered ferrite material....
If you are looking for a 6-pole (3-pole pair) multi-pole ferrite ring sample, take a look at this one. Made of sintered ferrite, it has an outer diameter of 26.5 mm, an inner bore of 12.5 mm, and a thickness of 3 mm....
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Magnet name: Rectangular rounded magnet, Oval Power Magnets Manufacturer: Courage Magnets in China，Size: Length 25mm, Width 5mm, Thickness 2.5mm，If you have a similar runway magnet, runway ring magnet, please contact our company to quote for you....
This product is a radial 8-pole rotor magnet. The material is injection-molded ferrite. The surface has no special treatment. At present, our company can provide injection-molded magnetic products with various properties, including injection-molded ferrite, injection-molded NdFeB and injection-molded ferrite....
Buy motor radial magnetized ring magnets, courage magnet mold, provided today is a radial 8 pole ceramic ferrite magnetic ring, the inner circle (inner diameter) for the use of strong magnetic surface, sintered ferrite material, magnetic ring specification outer diameter 40.3mm, inner diameter about 28mm, height 16mm, surface magnetic strength 1205 Gauss,...
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