Permanent magnet - production process, the permanent magnet production and before the direction of the permanent magnet and electrical rotary appliance

摘要

In a permanent magnet - production process, a magnet powder material (52) formed into a groove-shaped cavity (21) is introduced, the longitudinal direction in the horizontal direction. A introduction step for the introduction of the magnet powder material (52) contains a first introduction step, in which of the magnet of a powder material (52) a first magnet powder material (52a) is introduced, the no heavy rare earths element or a heavy rare earths element, and a second introduction step, in which of the magnet of a powder material (52) a second magnet powder material (52b) with a higher content of the heavy rare earths element as a the content of the first magnet powder material (52a) at a predetermined location in the cavity (21) is introduced.