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The advantage of Radial NdFeB Ring Magnet 1.Motor assembly is made much easier. Installation ofone or more rings versus g uing arcs into place. 2. Radial sintering assures no "weak spots". 3.Magnets are multi-poled-thus the ring does not compromise the magnetic properties. 4.The radial orientation results in a super strong magnet by virtue ofsuperior metallurgy developed specifically to BE radially oriented. The difference between diametrical magnetized and radially magnetized The method of preparing 4-pole-oriented anisotropic bonded NdFeB magnet and presents an application to a small size dc motor.The influence on the magnet performance in terms of alignment magnetic feld intensity, powder flling density, and the temperature of compression mold tools are investigated.The design and optimization of the magnet and motor were done with the aid ofelectromagnetic field analysis based on the finite element method. Experimental results with a designed dc motor adopting the developed anisotropic bonded NdFeB magnet show 50% reduction of weight and volume. Anisotropic bonaed magnet,direct current motor, dynamic hydrogenation decomposition desorption recombination(d-HDDR), permanent magnet, polar anisotropic, powder alignment. Rare Earth Magnetic Rotor Components