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The power supply mode of the micro DC motor is direct current, so it can be powered by a battery. The use of permanent magnets in the micro motor is to prolong the battery life, save the excitation coil, and reduce the volume. Today, we will introduce the type of permanent magnet used.
Now, most micro motor manufacturers use neodymium magnets, and a few motor manufacturers also use samarium cobalt magnets and ordinary ferrite magnets. The shapes are mainly ring-shaped and arc-shaped. The following is an introduction to the use of magnets for micro motors.
For permanent magnet ferrite, because of its good high temperature resistance (250 ° C) and low price, it is necessary to consider whether the magnetic field strength can meet the requirements.
The NdFeB strong magnet has a temperature resistance of about 200 °C, which fully meets the working temperature requirements of the micro motor. Its price is cheaper than samarium cobalt, and the price is in the middle.
The above is the introduction of magnets used in micro motors. Our company can provide various multi-pole neodymium magnets, neodymium arc magnets, and injection-molded ferrite magnets. You are welcome to provide drawings to inquire about prices and samples.
Related micro-motor magnet samples;
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....