What is injection - molded NdFeB?
Injection NdFeB is made by NdFeB magnetic powder, plastic (nylon, PPS, etc.) polymer materials through a special process mixed from a new composite material. Through injection molding process and produced both NdFeB high performance and injection molding of high efficiency, high precision magnets. New materials and unique process make it have some unique characteristics:
1, it has both Rigidity and plasticity, can be processed into thin-walled rings, bars, pieces and various special complex shapes (such as: steps, damping groove, hole, positioning pin, etc.), can be made into a small moment, multi-pole magnetic.
2, it can make magnets and other metal embedded parts (gears, screws, shaped holes, etc.) a molding, not easy to crack, fracture.
3, the magnet does not need cutting and other mechanical processing, the product yield is high, high tolerance precision after molding, smooth surface.
4. The use of plastic products makes the products thinner and lighter; Motor inertia and starting current are smaller.
5. The effective coating of plastic polymer material on magnetic powder makes the anti-corrosion effect of magnet better.
6. The unique injection molding process improves the internal uniformity of the magnet and the magnetic field consistency on the surface of the magnet is better.
What are the applications of Injection molded NdFeB?
It is mainly used in the fields of automation equipment, sensors, permanent magnet dc motor, axial flow fan, hard disk spindle motor HDD, variable frequency air conditioning motor, instrument motor and so on.
PS: the advantage of injection molded NdFeB is dimensional accuracy, and other parts can be integrated molding, high cost performance, but the surface of injection molded NdFeB or electroplating corrosion resistance is low.