Importance of punching and workability in non-oriented electrical steel sheets |
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Authors: | Yousuke Kurosaki Hisashi Mogi Hiroyasu Fujii Takeshi Kubota Morio Shiozaki |
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Institution: | 1. Steel Research Laboratories, Nippon Steel Corporation, 20-1 Shintomi, Futtsu 293-8511, Japan;2. Hirohata R&D Laboratory, Nippon Steel Corporation, 1 Fuji-cho, Hirohata-ku, Himeji 671-1188, Japan;3. Yawata R&D Laboratory, Nippon Steel Corporation, Tobihata-cho, Tobata-ku, Kitakyushu 804-8501, Japan;4. Formerly Hirohata R&D Laboratory, Nippon Steel Corporation |
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Abstract: | In order to reduce energy loss in motors, the use of high-efficiency non-oriented electrical steel sheets and an optimal motor core design are important. It is also crucial to minimize the deterioration of magnetic properties during the motor core manufacturing process. Accordingly, this report evaluates the effects of cutting and clamping methods on the deterioration factors of motor cores. Magnetic properties are largely influenced by both cutting and clamping methods. While it is difficult to avoid cutting and clamping altogether, it is necessary to adopt suitable production conditions and minimize the deterioration involved. |
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Keywords: | 5 50 Bb 75 60 Ej |
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