JP4598811B2 - 鋼球の検査方法 - Google Patents
鋼球の検査方法 Download PDFInfo
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- JP4598811B2 JP4598811B2 JP2007259504A JP2007259504A JP4598811B2 JP 4598811 B2 JP4598811 B2 JP 4598811B2 JP 2007259504 A JP2007259504 A JP 2007259504A JP 2007259504 A JP2007259504 A JP 2007259504A JP 4598811 B2 JP4598811 B2 JP 4598811B2
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- Prior art keywords
- steel ball
- inspection
- current
- eddy current
- frequency
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
2:ドライブモーター
3:サポートローラー
4:コントロールローラー
5:ホルダー
6:偏心ギヤ
7:外観キズ検出及び異材判別、焼き入れ状態判定センサ
a:回転装置と鋼球の振動によるノイズ
b:欠陥信号
c:SUJ2製品球の材料信号
d:SUJ2未熱処理球の材料信号
e:SUS440C製品球の材料信号
Claims (2)
- 上置コイル方式のプローブをもつ渦流探傷装置を内蔵した検査装置を用いて鋼球の検査を行う方法において、同一のプローブに高周波数の電流と、低周波数の電流を夫々流して高周波数の電流を流したとき渦電流の分布の変化を検知して外観キズの検査を行い、低周波数の電流を流したとき、渦電流の電圧と位相の変化を検知して異材判別ならびに焼き入れ状態の判定を行うことを特徴とする鋼球の検査方法。
- 高周波数が0.6MHz〜3MHz,低周波数が50Hz〜1500KHzの交流の電流を用いた請求項1記載の鋼球の検査方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007259504A JP4598811B2 (ja) | 2007-10-03 | 2007-10-03 | 鋼球の検査方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007259504A JP4598811B2 (ja) | 2007-10-03 | 2007-10-03 | 鋼球の検査方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009085907A JP2009085907A (ja) | 2009-04-23 |
JP4598811B2 true JP4598811B2 (ja) | 2010-12-15 |
Family
ID=40659498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007259504A Active JP4598811B2 (ja) | 2007-10-03 | 2007-10-03 | 鋼球の検査方法 |
Country Status (1)
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JP (1) | JP4598811B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5614752B2 (ja) * | 2010-09-14 | 2014-10-29 | 株式会社デルタツーリング | 焼入れ状態検査装置及び焼入れ状態検査方法 |
JP2012083247A (ja) * | 2010-10-13 | 2012-04-26 | Shimomura Tokushu Kako Kk | 異材検出システム |
US20140267680A1 (en) * | 2013-03-14 | 2014-09-18 | Ya-Chen Hsu | Steel Ball Inspection Method and System |
CN105510431B (zh) * | 2015-11-26 | 2018-11-13 | 江苏力星通用钢球股份有限公司 | 涡流探伤滚子的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000310619A (ja) * | 1999-04-28 | 2000-11-07 | Amatsuji Steel Ball Mfg Co Ltd | 鋼球の渦流探傷装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0980028A (ja) * | 1995-09-18 | 1997-03-28 | Nippon Steel Corp | 単数励磁コイル方式による多重周波数渦流探傷法及び装置 |
JPH09236584A (ja) * | 1996-02-29 | 1997-09-09 | Sumitomo Metal Ind Ltd | ロール探傷装置 |
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2007
- 2007-10-03 JP JP2007259504A patent/JP4598811B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000310619A (ja) * | 1999-04-28 | 2000-11-07 | Amatsuji Steel Ball Mfg Co Ltd | 鋼球の渦流探傷装置 |
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JP2009085907A (ja) | 2009-04-23 |
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