JPS62167161U - - Google Patents
Info
- Publication number
- JPS62167161U JPS62167161U JP5464486U JP5464486U JPS62167161U JP S62167161 U JPS62167161 U JP S62167161U JP 5464486 U JP5464486 U JP 5464486U JP 5464486 U JP5464486 U JP 5464486U JP S62167161 U JPS62167161 U JP S62167161U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- tested
- magnetic field
- rotating magnetic
- detection device
- 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
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は本考案検出端の説明図、第２図は回転
磁界の説明図、第３図はコイル配置の説明図、第
４図は不具合な例の説明図である。
図面で１０は被検材、１２，１４はコイル、１
２ａと１２ｂはコイル対である。
FIG. 1 is an explanatory diagram of the detection end of the present invention, FIG. 2 is an explanatory diagram of the rotating magnetic field, FIG. 3 is an explanatory diagram of the coil arrangement, and FIG. 4 is an explanatory diagram of a defective example. In the drawing, 10 is the material to be tested, 12 and 14 are coils, and 1
2a and 12b are a coil pair.
Claims (1)
、被検材表面の疵部で発生した漏洩磁束を被検材
周囲に配設したコイルの誘起電圧として検知する
回転磁界式探傷装置において、 該コイルを差動結線したコイル対の複数組で構
成し、該コイル対の第１のコイルおよび第２のコ
イルを被検材の径方向に並べかつ各コイルの軸心
を該径方向と直交する方向にして配設してなるこ
とを特徴とする回転磁界式探傷装置。[Scope of Claim for Utility Model Registration] A rotating magnetic field is electrically generated to magnetize the material to be tested, and the leakage magnetic flux generated at the flaws on the surface of the material to be tested is used as an induced voltage in a coil arranged around the material to be tested. In a rotating magnetic field type flaw detection device, the coil is composed of a plurality of differentially connected coil pairs, and the first coil and second coil of the coil pair are arranged in the radial direction of the test material, and each coil is A rotating magnetic field type flaw detection device characterized in that the axis of the is disposed in a direction perpendicular to the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5464486U JPS62167161U (en) | 1986-04-11 | 1986-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5464486U JPS62167161U (en) | 1986-04-11 | 1986-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62167161U true JPS62167161U (en) | 1987-10-23 |
Family
ID=30881824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5464486U Pending JPS62167161U (en) | 1986-04-11 | 1986-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62167161U (en) |
-
1986
- 1986-04-11 JP JP5464486U patent/JPS62167161U/ja active Pending
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