JPS62111539U - - Google Patents
Info
- Publication number
- JPS62111539U JPS62111539U JP20228285U JP20228285U JPS62111539U JP S62111539 U JPS62111539 U JP S62111539U JP 20228285 U JP20228285 U JP 20228285U JP 20228285 U JP20228285 U JP 20228285U JP S62111539 U JPS62111539 U JP S62111539U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- height
- magnetic core
- winding height
- inspected
- Prior art date
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 4
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000004020 conductor Substances 0.000 claims 1
- 230000005415 magnetization Effects 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は本考案の一実施例の構成を示す正面図
、第２ａ図および第２ｂ図は、本考案の効果の例
を示すグラフおよび磁化器配置を示す正面図、第
３ａ図および第３ｂ図は比較例の結果を示すグラ
フおよび磁化器配置を示す正面図、第４図は従来
装置の構成例を示す正面図である。
１０：第１の極間型磁化器、１１：第２の極間
型磁化器、１１―１，１１―２：磁極、１２：漏
洩磁束検出端、Ｐ：被検査材。
FIG. 1 is a front view showing the configuration of an embodiment of the present invention, FIGS. 2a and 2b are graphs showing an example of the effects of the present invention, and front views showing the magnetizer arrangement, and FIGS. 3a and 3b are The figure is a graph showing the results of a comparative example and a front view showing the magnetizer arrangement, and FIG. 4 is a front view showing an example of the configuration of a conventional device. 10: first inter-pole magnetizer, 11: second inter-pole magnetizer, 11-1, 11-2: magnetic poles, 12: leakage magnetic flux detection end, P: material to be inspected.
Claims (1)
一様な巻高さに導線を巻回してコイルとなし、磁
心のフランジ部の高さを前記コイルの巻高さより
低くした第１の極間型磁化器を被検査材の一面側
に配置し、断面Ｕ字型の磁心のウエブ部の全幅に
わたつて一様な巻高さに導線を巻回してコイルと
なし、磁心のフランジ部の高さを前記コイルの巻
高さより高くした第２の極間型磁化器を被検査材
の他面側に漏洩磁束検出端を介在させて配置する
とともに、第１の極間型磁化器と第２の極間型磁
化器の相対向する磁極が同一極性となるよう構成
した薄鋼板磁気探傷用磁化装置。 A first pole in which a conductive wire is wound at a uniform winding height over the entire width of a web part of a magnetic core having a U-shaped cross section to form a coil, and the height of the flange part of the magnetic core is lower than the winding height of the coil. An intermediate type magnetizer is placed on one side of the material to be inspected, and a conductor is wound at a uniform winding height over the entire width of the web portion of the U-shaped magnetic core to form a coil. A second inter-pole magnetizer whose height is higher than the winding height of the coil is arranged on the other surface of the material to be inspected with a leakage flux detection end interposed therebetween, and A magnetization device for magnetic flaw detection of thin steel sheets configured so that the opposing magnetic poles of two interpolar magnetizers have the same polarity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20228285U JPS62111539U (en) | 1985-12-27 | 1985-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20228285U JPS62111539U (en) | 1985-12-27 | 1985-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62111539U true JPS62111539U (en) | 1987-07-16 |
Family
ID=31166514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20228285U Pending JPS62111539U (en) | 1985-12-27 | 1985-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62111539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011196863A (en) * | 2010-03-19 | 2011-10-06 | Jfe Steel Corp | Leakage magnetic flux flaw detection method, and leakage magnetic flux flaw detection apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5251979A (en) * | 1975-10-23 | 1977-04-26 | Nippon Steel Corp | Nondestructive measurement of magnetic characteristics |
| JPS52100282A (en) * | 1976-02-19 | 1977-08-23 | Toyo Kohan Co Ltd | Detector for internal defects of thin steel sheet |
-
1985
- 1985-12-27 JP JP20228285U patent/JPS62111539U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5251979A (en) * | 1975-10-23 | 1977-04-26 | Nippon Steel Corp | Nondestructive measurement of magnetic characteristics |
| JPS52100282A (en) * | 1976-02-19 | 1977-08-23 | Toyo Kohan Co Ltd | Detector for internal defects of thin steel sheet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011196863A (en) * | 2010-03-19 | 2011-10-06 | Jfe Steel Corp | Leakage magnetic flux flaw detection method, and leakage magnetic flux flaw detection apparatus |
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