首页>
外国专利>
MANUFACTURE OF ANNULAR PERMANENT MAGNET, ANNULAR PERMANENT MAGNET MANUFACTURED THEREBY AND MOLD FOR ANNULAR PERMANENT MAGNET
MANUFACTURE OF ANNULAR PERMANENT MAGNET, ANNULAR PERMANENT MAGNET MANUFACTURED THEREBY AND MOLD FOR ANNULAR PERMANENT MAGNET
展开▼
机译：环形永磁体的制造，由此制造的环形永磁体和环形永磁体的模具
展开▼
页面导航
摘要
著录项
相似文献
摘要
PURPOSE:To realize the uniform orientation of material in a cavity and consequently manufacture an annular permanent magnet, the uniform magnetization of which is obtained, by a method wherein an annular gate is provided at the inner peripheral or outer peripheral edge on one edge face of an annular cavity so as to pour plastic magnet material in the cavity from the gate. CONSTITUTION:Plastic magnet material, which is prepared by mixing ferrite with magnetic powder, is poured from an annular gate 6, which is provided 4 the inner peripheral edge part on the top surface side of an annular cavity 2, in the annular cavity 2. At the outer peripheral part of an isotropic annular permanent magnet produced by the above-mentioned method, the most part of particles of the magnetic powder distribute uniformly under the state that their directions of the thickness are directed radially, resulting in forming uniformly orientated state over the whole periphery on the gate side and on the counter-gate side alike.
展开▼
