The fourth process of magnet production process: magnet orientation and molding

Magnetic field orientation of magnet powder is one of the key processes for NdFeB magnet manufacturers to manufacture high-performance sintered magnets. The purpose of the magnetic field orientation is to make the easy magnetization direction of each powder particle aligned in the same direction to make an anisotropic magnet, along the powder particles.cThe direction of axis orientation has maximum remanenceBr, which in turn increases the maximum energy product of the magnet.(BH)maxValue. Orientation of magnet powder on remanence of a magnetBrand maximum magnetic energy product(BH)maxhave a very important impact.

NdFeB magnet manufacturers have two purposes for the orientation molding of powder: one is to press the powder into a certain shape and size of the pressed blank according to the user's requirements; The second is to maintain the maximum magnetic field strength after the crystal orientation obtained in the magnetic field orientation. The pressing method used for Jiada magnets is die pressing and cold isostatic pressing. The pressing process is the main process of magnetic powder oxygen absorption, so the molding process has strict anti-oxidation measures, requiring magnetic powder weighing or pressing process to operate under the protection of inert gas.

Source: magnet manufacturers Youlian Magnetic Industrywww.youliancy.com