低周波誘導加熱を利用したモータ鉄心のひずみ取焼鈍装置の開発

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2014/04/01

タイトル(英語): Development of a Stress-Relied Annealing Device by using a Low Frequency Induction Heating Technique

著者名: 吉田　彰伍（大分大学工学部），甲斐　祐一郎（大分大学工学部），戸高　孝（大分大学工学部），榎園　正人（大分大学工学部），今川　尊雄（（株）日立製作所中央研究所），相馬　憲一（（株）日立産機システム）

著者名(英語): Shogo Yoshida (Faculty of Engineering, Oita University), Yuichiro Kai (Faculty of Engineering, Oita University), Takashi Todaka (Faculty of Engineering, Oita University), Masato Enokizono (Faculty of Engineering, Oita University), Takeo Imagawa (Hitachi, Ltd. Central Research Laboratory), Kenichi Souma (Hitachi Industrial Equipment Systems Co., Ltd.)

キーワード: 鉄損，低周波誘導加熱，モータ鉄心，ひずみ取焼鈍　　iron loss，low frequency induction heating，motor core，stress-relied annealing

要約(英語): Magnetic properties of motor cores are deteriorated due to residual stress occurred during manufacturing process. Therefore, it is necessary to reduce the residual stress in motor cores through stress-relied annealing. As a conventional method, electric furnaces have been used to anneal motor cores. However it takes a long annealing time and requires high running cost for annealing with electric furnaces. In order to improve this method, we have developed a new stress-relied annealing technique with the usage of a low frequency induction heating. This paper presents the effect of the stress-relied annealing on the magnetic properties of ring cores. The low frequency induction heating can be extended the skin depth of eddy currents and achieved uniform heating in annealing.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.134 No.4 （2014） 特集：平成25年基礎・材料・共通部門大会

本誌掲載ページ: 217-222 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/134/4/134_217/_article/-char/ja/