
Super Strong Ring Magnets
Material: Sintered Neodymium-Iron-Boron
Grade: N45
Shape: Ring
Plating: NiCuNI, Zinc or other finish
Applicaiton: Motors, Sensor
Size: Customized
Tolerance: +/-0.05mm
Max. working temp.: 80 Celsius Degree
Lead time: 12~15 days
N45 Super Strong Ring Magnets for Servo Motors
N45 strong ring magnets are a type of rare earth magnet, primarily made from Neodymium-Iron-Boron (NdFeB), a powerful material known for its high magnetic strength and performance. These magnets are frequently utilized in various applications, including servo motors, where high efficiency, compact size, and precise control are essential.
Servo motors are critical components in many industrial systems, robotics, and automation applications, where they are used to control the position, speed, and acceleration of mechanical systems. The efficiency of a servo motor largely depends on the strength of the magnets used within it. N45 super strong ring magnets are specifically chosen for their high magnetic field strength, making them ideal for such demanding applications.
Features of N45 Ring Magnets
- High Magnetic Strength: The "N45" grade indicates that the magnet has a residual flux density of 1.45 Tesla, which translates into powerful magnetic performance. This makes N45 magnets among the strongest available in the market, ensuring excellent torque and precise control in servo motors.
- Durability and Stability: Neodymium magnets are known for their long-lasting durability. N45 magnets maintain their magnetic properties even under high temperatures and harsh operating conditions, ensuring long service life and consistent performance in servo motor applications.
- Compact Size: N45 ring magnets can be manufactured in a variety of sizes, making them ideal for applications where space is limited. The compact nature of these magnets helps keep servo motors small, efficient, and powerful.
- Enhanced Efficiency: By using N45 strong ring magnets, servo motors can achieve higher energy efficiency, reducing the need for excessive power input and enabling precise control over motion and speed. This contributes to the overall performance and longevity of the motor.
- Corrosion Resistance: These magnets are typically coated with a layer of nickel, copper, or epoxy to prevent rust and corrosion, ensuring that they maintain their magnetic properties over time, even in challenging environments.
Applications in Servo Motors
N45 strong ring magnets are commonly used in applications that require precise movement, such as robotics, CNC machines, medical devices, and automotive systems. Their superior magnetic properties allow servo motors to operate with high accuracy and speed, making them indispensable in industries where reliability and precision are paramount.
In summary, N45 strong ring magnets are a powerful and versatile solution for enhancing the performance of servo motors. Their high magnetic strength, durability, and compact size make them a top choice for many demanding applications in the modern industrial and technological landscape.
Customization
Strong rare earth magnets can be customized in terms of size, shape, and magnetic strength to suit for specific applications. please check below pictures for your reference.



Magnetized Orientation(Axially and diametrically)


Q2: Are N45 ring magnets dangerous?
A: While N45 magnets are extremely powerful and can pose risks if mishandled, they are generally safe to use when proper precautions are followed. Strong neodymium magnets can cause pinching injuries or attract metallic objects with high force. Always handle them with care and follow safety guidelines.
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