Neodymium related knowledge
Time:03/22/2019
What is the processing cost of iron?
The processing cost of a magnet is mainly affected by three factors: batch size, specification shape, and tolerance size. The smaller the batch size, the higher the processing cost; the more complex the shape, the higher the processing cost; the stricter the tolerance, the higher the processing cost.
How to shield or guide the magnetic field
Ferromagnetic materials can be used to shield magnetic fields. Generally, we use ordinary iron plates. However, it is necessary to pay attention to the thickness of the iron plate. If the thickness is not reached, the iron plate is in a magnetic saturation state, and only part of the magnetic field can be shielded, and some of the magnetic lines of force will still diverge. The key to guiding the magnetic field to form a magnetic circuit is to select a material with high magnetic permeability and a suitable size and shape to reduce magnetic leakage, that is, to properly arrange the yoke and the pole piece in the magnetic circuit.
Can you directly use magnetic magnets for magnetic separation?
No! Neodymium magnets are easily corroded and easily broken. The magnet must be protected by a magnetically-dissociated material to separate the magnetic separation medium from the magnet.
What are the precautions for storing and transporting magnets?
1 should pay attention to the indoor humidity, must be maintained at a dry level, the temperature should not exceed room temperature;
2 When the product in the black block or blank state is stored, it can be properly oiled (general oil can be used);
3 Electroplating products should be vacuum sealed or insulated to ensure corrosion resistance of the coating;
4 Magnetized products should be sucked together and stored in a box to avoid picking up other metal bodies;
5 Magnetized products should be stored away from magnetic disks, magnetic cards, magnetic tapes, computer monitors, watches and other objects sensitive to magnetic fields.
The magnet should be shielded during transportation in the magnetized state, especially for air transportation.
What are the precautions for the operation of the magnet?
The characteristics of Neodymium material are hard and brittle. After magnetization, the suction weight is more than 600 times its own weight, which is easy to absorb and bump. The operation process should pay attention to avoid bumps and disability for small specifications. For large specifications, it is more important to pay attention to personal safety and protection. When the magnet is assembled and fastened, it can be mechanically used such as a bolt or a glue or the like.
