電気学会論文誌D(産業応用部門誌)
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
論文
小形モータのトルク性能に及ぼす素材要因解析
開道 力山崎 二郎半澤 和文金子 祥子橋本 寿雄木村 徹宍戸 祐司
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2006 年 126 巻 12 号 p. 1706-1711

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This paper discusses the effect of manufacturing deterioration and permanent magnet conditions on cogging torque and iron loss in 12-pole small motors using 9-slot cores (20mm outer dia.). Manufacturing stress and strain increase 12n-th order cogging torques and iron loss, and smaller-clearance punching and larger-clearance clinching reduces iron loss althouogh they hardly affect cogging torque. The 9n-th order cogging torques are influenced a little by stress-relief annealing. The magnetization conditions of permanent magnet influences not only iron loss, but also cogging torque, which may be proportional to the square of magnet magnetization. However, cogging torques are hard to be induced at lower magnet magnetization.

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© 電気学会 2006
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