JP5779948B2 - 方向性電磁鋼板の製造方法 - Google Patents
方向性電磁鋼板の製造方法 Download PDFInfo
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- JP5779948B2 JP5779948B2 JP2011086057A JP2011086057A JP5779948B2 JP 5779948 B2 JP5779948 B2 JP 5779948B2 JP 2011086057 A JP2011086057 A JP 2011086057A JP 2011086057 A JP2011086057 A JP 2011086057A JP 5779948 B2 JP5779948 B2 JP 5779948B2
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Description
例えば、鋼板を図2に示すように圧延方向に曲げ加工すると、内面側は、圧延方向に縮められるため板幅方向に伸びようとする内部応力が発生する。一方、外面側は、圧延方向に引っ張られるため板幅方向に縮もうとする内部応力が発生する。その結果、曲げ加工後に除荷すると、曲げ線部が外面側に反り返っていわゆる「鞍反り」が発生することが知られている。
Claims (1)
- Si含有冷延鋼板を一次再結晶焼鈍した後、コイル状態で仕上焼鈍を施して方向性電磁鋼板を製造する方法において、仕上焼鈍後の巻き戻し時における鋼板板幅方向の反り量と前記コイル内径との関係を予め鋼板の板厚ごとに求めておき、鋼板板幅方向の反り量が予め定めた許容範囲を満たすよう仕上焼鈍時のコイル内径を設定することを特徴とする方向性電磁鋼板の製造方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011086057A JP5779948B2 (ja) | 2011-04-08 | 2011-04-08 | 方向性電磁鋼板の製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2011086057A JP5779948B2 (ja) | 2011-04-08 | 2011-04-08 | 方向性電磁鋼板の製造方法 |
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| Publication Number | Publication Date |
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| JP2012219327A JP2012219327A (ja) | 2012-11-12 |
| JP5779948B2 true JP5779948B2 (ja) | 2015-09-16 |
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| JP2011086057A Active JP5779948B2 (ja) | 2011-04-08 | 2011-04-08 | 方向性電磁鋼板の製造方法 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2021133411A (ja) * | 2020-02-28 | 2021-09-13 | Jfeスチール株式会社 | 金属帯の圧延制御方法、圧延制御装置、及び製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5037128B2 (ja) * | 1972-07-09 | 1975-12-01 | ||
| JP4259002B2 (ja) * | 2001-07-06 | 2009-04-30 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
| JP3772847B2 (ja) * | 2003-03-25 | 2006-05-10 | 住友金属工業株式会社 | 鋼板の巻き取り方法 |
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| JP2012219327A (ja) | 2012-11-12 |
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