As we all know, magnets can be divided into "permanent magnets" and "non-permanent magnets." Permanent magnets can be natural products, also known as natural magnets, or they can be made by hand. Non-permanent magnets only appear magnetic under certain conditions.
However, in practical applications, magnets can be generally classified into five categories: NdFeB permanent magnets, permanent magnet ferrites, samarium cobalt magnets, AlNiCo magnets, and rubber magnets. So, what are the uses of different types of magnets?
1. NdFeB permanent magnets are the strongest permanent magnets in modern magnetics and their applications are the most extensive. It is mainly used in electro-acoustic, permanent magnet motor, communications, automotive electronics, magnetic machinery, aerospace, computers, household appliances, medical equipment, office automation, toys, packaging boxes, leather products, magnetic jewelry and other fields.
2. Permanent magnet ferrite is used as a permanent magnet in electricity meters, generators, telephones, loudspeakers, televisions and microwave devices. It is also used in recorders, pickups, loudspeakers, and magnetic cores for various instruments. Radar, communications, navigation, telemetry and other electronic devices.
3. The operating temperature of samarium cobalt magnets can reach up to 300 degrees, and it also has anti-corrosion and anti-oxidation properties. Now it has been widely used in detectors, generators, radars, meters, and other precision technologies.
4. AlNiCo magnets are resistant to high temperatures and corrosion. They are mainly used for motors, sensors, medical instruments, hand tools, tweeters and various instruments.
5. Rubber magnets are of the same sex and opposite sex, same-sex attraction is relatively weak mainly for publicity (fridge, car stickers, etc.), decorative gifts, refrigerator magnets, toys, teaching materials and other areas. The opposite sex magnet force is stronger and can be used for small motors. , sensors, magnetic adsorption supplies, etc.