0769-23388351
Toggle Navigation
As a commonly used power source in modern electric equipment, brushless motors have the characteristics of high efficiency, low noise, and long lifespan. Magnetic steel (magnets), as a key component in brushless motors, plays an important role in generating magnetic fields. Do netizens want to know if it will affect the speed of the motor? What are the main parameters that will affect it? The following is an introduction to this issue from the manufacturer of motor magnets, Courage.
Firstly, the conclusion is that the magnetic steel of brushless motors will have a certain impact on the motor speed, including the material, shape and size of the magnetic steel, magnetization direction, temperature characteristics, etc.
The material of magnetic steel directly affects its magnetization characteristics and magnetic field strength. Common magnetic steel materials include permanent magnet materials (such as neodymium iron boron, samarium cobalt magnets, etc.) and soft magnetic materials (such as silicon steel sheets). Different materials of magnetic steel have different magnetization curves and coercivity, thus affecting the magnetic field distribution and speed characteristics of motors.
The shape and size of magnetic steel determine its magnetic field distribution and strength. By designing the shape and size of the magnetic steel reasonably, the magnetic field distribution of the motor can be adjusted, thereby affecting the speed response and efficiency of the motor. For example, using magnetic steel with specific shapes and sizes can increase the uniformity of the magnetic field and increase the speed of the motor.
The accompanying picture shows bonded neodymium arc magnets for brushless motors.
The magnetization direction of magnetic steel has a significant impact on the magnetic field distribution and the direction of magnetic field lines in motors. The correct selection and installation of the magnetization direction of the magnetic steel can optimize the magnetic field structure of the motor, improve the efficiency and performance of the motor.
The temperature characteristics of magnetic steel are also one of the important factors affecting the motor speed. In high-temperature environments, the magnetization strength of magnetic steel may decrease, thereby reducing the output torque and speed of the motor. Choosing the appropriate grade is crucial.
In addition, the position of the magnetic steel also has a significant impact on the speed and output power of the motor. Usually, magnetic steel is installed on the rotor or stator, and the selection of its position will affect the torque and speed characteristics of the motor.
The above is the complete introduction of this article. By optimizing the magnetization intensity, magnetization direction, shape and size of the magnetic steel, as well as controlling the temperature of the magnetic steel, the speed and efficiency of the motor can be improved.
Recommended column for brushless motor magnetic steel;
Related Brushless Motor Magnet Introduction;
Temperature resistance and surface treatment of brushless DC motor magnets
This is a multi-pole ferrite magnetic assembly, composed of injection molded ferrite + shaft, also known as injection molded ferrite magnetic rotor magnet, rotor OD 29.8mm, height 7.5mm, shaft 3.17mm...
Product Name: 6x6mm cylindrical neodymium magnet, Color: silver white, Manufacturer: courage magnet, N35 is about 4100 Gauss, and n52 is about 4800 Gauss, We have a great price advantage in the production of high-performance magnets. We look forward to your consultation!...
This product is a small magnet, made of neodymium with galvanized surface. How small are these magnets? 5mm, 8mm in length, 2mm in width, 2.5mm in width, 1mm in thickness, 1.5mm in thickness, if you are interested in such small neodymium block magnets, you can tell us the size you actually need, and...
You are now viewing a ceramic ferrite ring magnet with 60mm bore (center hole), 120mm outer diameter, 20mm thickness, medium to large size magnet, no plating on surface, especially suitable for speakers, horns, salvage, fishing, and mechanical equipment,...
Introduction of small size ring neodymium magnet; Product name: Nickel-plated strong neodymium small ring magnet，Performance level: N35 (can be customized for higher performance)，Product size: 8mm diameter, 2mm thickness, 4mm middle hole...
This is a thin rectangular block neodymium magnet, the specific specifications are length 40mm, width 25mm, thickness 1.5mm, strong magnetic force, N35 grade, magnetized in the thickness direction, suitable for ceiling lamps, crafts, home furnishing, electronic products, can be matched with 3M back glue to use....
This is a small size ring rare earth magnet, N38M grade, the outer diameter of the ring is 11mm, the hole is 2mm, which is also relatively small, the thickness is 5mm, the surface is plated with bright nickel, this type of magnet is suitable for passing through some thin shafts....
This is a very hot neodymium round magnet size, diameter 10mm, thickness 2mm, in many areas can be applied, the only difference is that different customers choose the coating, performance level and temperature resistance performance on the difference, the magnet weighs about 1.2g....