JPH0333362U - - Google Patents
Info
- Publication number
- JPH0333362U JPH0333362U JP9318789U JP9318789U JPH0333362U JP H0333362 U JPH0333362 U JP H0333362U JP 9318789 U JP9318789 U JP 9318789U JP 9318789 U JP9318789 U JP 9318789U JP H0333362 U JPH0333362 U JP H0333362U
- Authority
- JP
- Japan
- Prior art keywords
- steel strip
- generates
- magnetically sensitive
- thin steel
- noise removal
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は、この考案の一実施例を示す一部欠截
断面図、第２図は、この考案の一実施例を示す電
気回路図、第３図は、この考案の使用状態を示す
出力波形を示すグラフ図、第４図ａは、それぞ感
磁性素子群の異なつた間隔での出力波形を示すグ
ラフ図、第４図ｂは、それぞれ第４図ａでの出力
波形を合成したグラフ図、第５図ａは、従来装置
の使用による傷信号とノイズ出力との関係を示し
たグラフ図、第５図ｂは、この考案の装置を使用
した傷信号とノイズ出力との関係を示したグラフ
図、第６図は、感磁性素子群の異なつた間隔での
出力を示したグラフ図である。
１……励磁コイル、２……電磁石、Ｘ……薄鋼
帯、Ｙ……傷、Ａ，Ｂ……感磁性素子。
Fig. 1 is a partially cutaway sectional view showing an embodiment of this invention, Fig. 2 is an electric circuit diagram showing an embodiment of this invention, and Fig. 3 is an output showing the state of use of this invention. A graph showing the waveforms, FIG. 4a is a graph showing the output waveforms at different intervals of the magnetically sensitive element group, and FIG. 4b is a graph combining the output waveforms in FIG. 4a. Figure 5a is a graph showing the relationship between the flaw signal and noise output using the conventional device, and Fig. 5b is a graph showing the relationship between the flaw signal and noise output using the device of this invention. FIG. 6 is a graph showing the output of the magnetically sensitive element group at different intervals. 1... Excitation coil, 2... Electromagnet, X... Thin steel strip, Y... Scratch, A, B... Magnetism sensitive element.
Claims (1)
内部あるいは表面傷によつて生ずる漏洩磁末を感
磁性素子群によつて検出し、傷信号とする探傷装
置において；走行方向に二列に並んだ感磁性素子
群を配し、これら素子群列の間隔を０．５〜２．
０mmとすることを特徴とする薄鋼帯磁気探傷装置
におけるノイズ除去装置。 Generates a magnetic field in the running direction of the running thin steel strip,
In a flaw detection device that detects magnetic leakage caused by internal or surface flaws using a group of magnetically sensitive elements and generates a flaw signal; two groups of magnetically sensitive elements are arranged in the running direction, and these The interval between 0.5 and 2.
A noise removal device for a thin steel strip magnetic flaw detection device characterized by a noise removal device of 0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9318789U JPH0333362U (en) | 1989-08-07 | 1989-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9318789U JPH0333362U (en) | 1989-08-07 | 1989-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0333362U true JPH0333362U (en) | 1991-04-02 |
Family
ID=31642580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9318789U Pending JPH0333362U (en) | 1989-08-07 | 1989-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008094569A (en) * | 2006-10-12 | 2008-04-24 | Masanori Saito | Manual auxiliary lifting device for installing-removing facility equipment |
-
1989
- 1989-08-07 JP JP9318789U patent/JPH0333362U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008094569A (en) * | 2006-10-12 | 2008-04-24 | Masanori Saito | Manual auxiliary lifting device for installing-removing facility equipment |
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