JPH0424062U - - Google Patents
Info
- Publication number
- JPH0424062U JPH0424062U JP6493290U JP6493290U JPH0424062U JP H0424062 U JPH0424062 U JP H0424062U JP 6493290 U JP6493290 U JP 6493290U JP 6493290 U JP6493290 U JP 6493290U JP H0424062 U JPH0424062 U JP H0424062U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- magnetizer
- rolled steel
- magnetic
- leakage
- 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 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は疵の傾斜角が検出信号レベルに及ぼす
影響を調べた結果を示す。第２図は本考案の実施
例装置の構成を示す。第３図は本装置により０度
から９０度までの方向性を有する疵について探傷
した結果を示す。第４図は従来装置の構成例を示
す。
１０……検出機構部、１１……磁化器、１２…
…磁気センサ、１３……圧延鋼板。
FIG. 1 shows the results of investigating the influence of the inclination angle of a flaw on the detection signal level. FIG. 2 shows the configuration of an apparatus according to an embodiment of the present invention. FIG. 3 shows the results of flaw detection using this device for flaws with directionality from 0 degrees to 90 degrees. FIG. 4 shows an example of the configuration of a conventional device. 10...Detection mechanism section, 11...Magnetizer, 12...
...Magnetic sensor, 13...Rolled steel plate.
Claims (1)
サを検出素子として用い、このセンサと磁化器を
一体構造とし、磁化器のＮ極とＳ極の中心を結ぶ
線がセンサの感磁面と直交し、かつ圧延鋼材の圧
延方向と４５度の奇数倍の角度で傾斜して配置し
たことを特徴とする漏洩磁束探傷装置。 In magnetic leakage flux detection equipment for rolled steel materials, a magnetic sensor is used as a detection element, and the sensor and magnetizer are integrated, and the line connecting the centers of the N and S poles of the magnetizer is perpendicular to the magnetically sensitive surface of the sensor. A leakage magnetic flux flaw detection device characterized in that the device is arranged at an angle of an odd multiple of 45 degrees with respect to the rolling direction of the rolled steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6493290U JPH0424062U (en) | 1990-06-21 | 1990-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6493290U JPH0424062U (en) | 1990-06-21 | 1990-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424062U true JPH0424062U (en) | 1992-02-27 |
Family
ID=31596308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6493290U Pending JPH0424062U (en) | 1990-06-21 | 1990-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007298482A (en) * | 2006-05-08 | 2007-11-15 | Nippon Denji Sokki Kk | Magnetic particle inspection device for steel pipe |
-
1990
- 1990-06-21 JP JP6493290U patent/JPH0424062U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007298482A (en) * | 2006-05-08 | 2007-11-15 | Nippon Denji Sokki Kk | Magnetic particle inspection device for steel pipe |
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