| 摘要 |
PROBLEM TO BE SOLVED: To provide a pole face spherical bond magnet for a multi-freedom motor etc. which realizes high precision and high strength without work and adhering, by molding a magnet and soft magnetic material integrally. SOLUTION: In the pole face spherical bond magnet, a pole face is formed of a bond magnet mainly consisting of bonding material and magnetic powder, the inner layer side of the bond magnetic part is formed of a soft magnetic part mainly consisting of bonding material and soft magnetic powder, the pole face is formed nearly spherically, and a plurality of magnetic poles are magnetized on the outer-periphery curved surface of the bond magnet. The magnet poles are formed so that the directions of the magnetic poles adjacent to each other on the left, right, top and bottom sides may be nearly different from each other. As the manufacturing method, the method can adopt a system of integrating the bond magnet part mainly consisting of the bonding material and the magnetic powder, and the soft magnetic part mainly consisting of the bonding material and the soft magnetic powder in one mold by compression molding. COPYRIGHT: (C)2006,JPO&NCIPI
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