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Arc magnets are mainly used in various DC motors, such as brushless DC motors, permanent magnet DC motors, etc., and magnets are indispensable. So what are the main arc magnet materials used in motors? What are the advantages? Please read on.
Strong magnetic force, can keep the power unchanged, reduce the size of the motor, the starting current is also small, and it is not easy to stall (ie overload). Generally, the temperature resistance H level and above are used.
2. Ferrite arc segmented magnet
It has the advantages of low price, high magnetic permeability, high temperature resistance, and not easy to demagnetize. The proportion of ferrite magnetic tiles in the motor is also large.
3. Bonded NdFeB magnetic tile
Bonded NdFeB magnetic tile is also a kind of magnetic tile, but it is made of bonded NdFeB material, and there are few customers. At least I haven't come across it yet.
4. Samarium cobalt magnetic tile
Samarium cobalt magnetic tiles are mainly used in some high-end motors, with a temperature resistance of up to 300 ℃, and the price is relatively expensive, and most of them are replaced by neodymium arc magnets.
Arc magnets can also be punched, see: Perforated counterbore arc neodymium magnet
At present, the customers on the market are mainly neodymium arc bending magnets and ferrite bending magnets. The production of neodymium arc magnets does not require molds, but ferrite arc magnets do (except for molds). Customers are welcome to provide size consultation. price, sample.
Introduction to related arc magnet articles;
How to custom arc magnets? What should we pay attention to?
This magnet ring is made of high-performance rare earth neodymium as the base material, with an outer diameter of 30 millimeters and a thickness of 6 mm, in a ring design. In terms of surface treatment, a nickel layer is first used as a base to enhance corrosion resistance and coating adhesion....
This 1/2-inch neodymium magnet is circular in shape and features a phosphated coating, offering excellent corrosion resistance, making it particularly suitable for applications in humid or harsh environments. It measures 12.5 mm x 3 mm and provides strong magnetic force...
This magnet is a ring-shaped neodymium magnet with radial 10 poles. The material is bonded NdFeB, the inner circle is magnetized with 10 poles, and the strong magnetic surface is inner circle. The size of the magnet is 32.6mm in outer diameter, 28.6mm in inner diameter, and 6mm in height....
This product is a square ceramic magnet, made of sintered ferrite anisotropy, with low remanence, low recovery magnetic permeability, and strong anti-demagnetization ability. 12mm, suitable for fitness equipment, massager, magnetic control machine, air pump, if you are interested in this product, please contact....
You are now viewing this is a super small (tiny) size ferrite block magnet sample, high performance grade Y30, magnet length 2.45mm, width and thickness are 1mm, magnetization direction along the length....
This product is a variety of isotropic ferrite (Y10) rotor magnets ring, which are processed and manufactured by the Chinese permanent magnet supplier Courage Magnet. The inner aperture size of the magnet is 5.4mm, and the surface is smooth and free of defects. It can be magnetized according to the number of magnetic poles required by customers, such as radial 2, 4, 6, and 8 poles...
This product is a float switch magnet, a float ring magnet, and the material is ferrite. Drinking system, etc.), industrial equipment (such as: air oil compressor, air cooler, drain, lubricating oil system), gardening equipment, medical equipment, beauty salon equipment, aquaculture and industrial water purification, sewage treatment system, automatic door control system, Automotive and other industries....
This product is a high-performance arc-shaped magnet. The material is the strongest magnetic material NdFeB. It has the characteristics of small size, light weight and high torque. It is especially suitable for high-end servo motors and brushless motors. It is widely used in industrial motors. , so that the brushless motor has the advantages of light weight, high efficiency, low noise, small speed error, etc....