JPH0422444B2 - - Google Patents
Info
- Publication number
- JPH0422444B2 JPH0422444B2 JP20969285A JP20969285A JPH0422444B2 JP H0422444 B2 JPH0422444 B2 JP H0422444B2 JP 20969285 A JP20969285 A JP 20969285A JP 20969285 A JP20969285 A JP 20969285A JP H0422444 B2 JPH0422444 B2 JP H0422444B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- screw
- reflected light
- width
- tube
- 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.)
- Expired
Links
- 230000007547 defect Effects 0.000 claims description 22
- 238000007689 inspection Methods 0.000 claims description 17
- 238000005286 illumination Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 24
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 230000003287 optical effect Effects 0.000 description 9
- 230000002950 deficient Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20969285A JPS6269113A (ja) | 1985-09-20 | 1985-09-20 | ネジ表面検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20969285A JPS6269113A (ja) | 1985-09-20 | 1985-09-20 | ネジ表面検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6269113A JPS6269113A (ja) | 1987-03-30 |
| JPH0422444B2 true JPH0422444B2 (zh) | 1992-04-17 |
Family
ID=16577049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20969285A Granted JPS6269113A (ja) | 1985-09-20 | 1985-09-20 | ネジ表面検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6269113A (zh) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH073326B2 (ja) * | 1987-07-08 | 1995-01-18 | 川崎製鉄株式会社 | ロール表面のクレータ形状測定方法 |
| JP2008185462A (ja) * | 2007-01-30 | 2008-08-14 | Toyota Motor Corp | ねじ良否判定方法及びねじ良否判定装置 |
| DE102007017747B4 (de) * | 2007-04-12 | 2009-05-07 | V & M Deutschland Gmbh | Verfahren und Vorrichtung zur optischen Vermessung von Außengewinden |
| JP5251617B2 (ja) * | 2009-03-06 | 2013-07-31 | Ｊｆｅスチール株式会社 | ねじ形状測定装置およびねじ形状測定方法 |
| BR112012018564B1 (pt) * | 2010-01-29 | 2019-07-02 | Nippon Steel & Sumitomo Metal Corporation | Aparelho de inspeção de defeitos |
-
1985
- 1985-09-20 JP JP20969285A patent/JPS6269113A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6269113A (ja) | 1987-03-30 |
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