How to Magnetize Permanent Magnet?
A permanent magnet can be magnetized by both direct current magnetization and impulse magnetization. The direct current system includes direct current power and electromagnet or magnetizing yoke. The direct current magnetic field will generate once the direct current enters the coil. Magnetic field strength between two poles of the electromagnet is proportional to the coil turns N and current intensity I, and inversely proportional to the gap between two poles of the electromagnet. Both electromagnet and magnetizing yoke are extremely difficult to magnetize high-coercivity permanent magnets to technical saturation. For impulse magnetization, the capacitor will be charged after rectification, then the electrical energy in the capacitor instantaneous discharged to the magnetizing coil. The magnetizing coil will generate the pulsed magnetic field during the strong instantaneous current through it. Therefore, the permanent magnet in the coil will be magnetized.
Magnetizing Patterns of Permanent Magnet
