For instance, in automotive applications, NdFeB ring magnets with a hole are often used in wheel speed sensors or crankshaft position sensors. These sensors help vehicles’ electronic control units (ECUs) monitor the movement of various engine and wheel components, providing critical data for smooth operation and safety.

The ability to create strong, non-contact connections is another function of NdFeB ring magnets with a hole. These magnets are often used in magnetic couplings and clutches, where they enable the transfer of torque between rotating shafts without the need for physical contact. This non-contact transmission is highly beneficial in reducing wear and tear, improving reliability, and minimizing maintenance needs in mechanical systems.

In applications such as pumps, compressors, and conveyor systems, magnetic couplings made from NdFeB ring magnets can transmit rotational force while maintaining a hermetic seal between parts. This is especially useful in industries that handle corrosive fluids, as the magnetic coupling can prevent leakage while maintaining a strong magnetic connection.

The versatile design of NdFeB ring magnets with a hole allows for easy customization to meet the specific requirements of different applications. For example, the size of the ring magnet, the thickness of the magnet's material, and the diameter of the central hole can all be tailored to suit the needs of particular machines or devices. This level of customization makes NdFeB ring magnets with a hole an attractive option for industries such as aerospace, medical devices, and electronics.

In the medical field, these magnets are used in MRI machines, actuators for prosthetics, and other diagnostic equipment. The strong magnetic fields generated by NdFeB ring magnets contribute to the precision and reliability of these devices. Similarly, in aerospace and military applications, customized ring magnets are used in actuators, sensors, and satellite systems, where their power and compact design are invaluable for system performance.

https://www.mlmagnet.com/product/ndfeb-ring-shape-magnet/ring-neodymium-magnets-with-hole.html
These are ring neodymium magnets with holes used in various applications where they can be stuck and repositioned with ease during use. Neodymium ring magnets are one of the strongest permanent magnetic materials available and have high resistance to demagnetization.