JPS60250235A - ねじ表面の検査方法及び検査装置 - Google Patents
ねじ表面の検査方法及び検査装置Info
- Publication number
- JPS60250235A JPS60250235A JP10623484A JP10623484A JPS60250235A JP S60250235 A JPS60250235 A JP S60250235A JP 10623484 A JP10623484 A JP 10623484A JP 10623484 A JP10623484 A JP 10623484A JP S60250235 A JPS60250235 A JP S60250235A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- image signal
- thread
- autocorrelation
- image
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000007689 inspection Methods 0.000 claims description 30
- 230000007547 defect Effects 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 10
- 230000000737 periodic effect Effects 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 29
- 229910000831 Steel Inorganic materials 0.000 abstract description 21
- 239000010959 steel Substances 0.000 abstract description 21
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 2
- 244000145845 chattering Species 0.000 abstract 1
- 238000011179 visual inspection Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005311 autocorrelation function Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10623484A JPS60250235A (ja) | 1984-05-25 | 1984-05-25 | ねじ表面の検査方法及び検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10623484A JPS60250235A (ja) | 1984-05-25 | 1984-05-25 | ねじ表面の検査方法及び検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60250235A true JPS60250235A (ja) | 1985-12-10 |
| JPH0258588B2 JPH0258588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-12-10 |
Family
ID=14428429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10623484A Granted JPS60250235A (ja) | 1984-05-25 | 1984-05-25 | ねじ表面の検査方法及び検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60250235A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2606879A1 (fr) * | 1986-05-29 | 1988-05-20 | Rengo Co Ltd | Dispositif pour la detection de defauts dans un carton ondule simple-face |
| GB2407867A (en) * | 2003-11-07 | 2005-05-11 | Agilent Technologies Inc | Detecting a homogenous surface by the autocorrelation of the optical images of the surface |
| JP2010014547A (ja) * | 2008-07-03 | 2010-01-21 | Sumitomo Heavy Ind Ltd | 表面検査方法、及びびびりマーク検査装置 |
| JP2010523988A (ja) * | 2007-04-12 | 2010-07-15 | ファウ・ウント・エム・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 雄ねじを光学計測するための方法および装置 |
| WO2011093372A1 (ja) * | 2010-01-29 | 2011-08-04 | 住友金属工業株式会社 | 欠陥検査装置 |
| WO2021014645A1 (ja) * | 2019-07-25 | 2021-01-28 | 三菱電機株式会社 | 検査装置及び方法、並びにプログラム及び記録媒体 |
-
1984
- 1984-05-25 JP JP10623484A patent/JPS60250235A/ja active Granted
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2606879A1 (fr) * | 1986-05-29 | 1988-05-20 | Rengo Co Ltd | Dispositif pour la detection de defauts dans un carton ondule simple-face |
| GB2407867A (en) * | 2003-11-07 | 2005-05-11 | Agilent Technologies Inc | Detecting a homogenous surface by the autocorrelation of the optical images of the surface |
| GB2407867B (en) * | 2003-11-07 | 2006-08-16 | Agilent Technologies Inc | Homogeneous and plain surface detection in optical navigation systems |
| US7382935B2 (en) | 2003-11-07 | 2008-06-03 | Avago Technologies Ecbu Ip Pte Ltd | Homogeneous and plain surface detection in optical navigation systems |
| JP2010523988A (ja) * | 2007-04-12 | 2010-07-15 | ファウ・ウント・エム・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 雄ねじを光学計測するための方法および装置 |
| JP2010014547A (ja) * | 2008-07-03 | 2010-01-21 | Sumitomo Heavy Ind Ltd | 表面検査方法、及びびびりマーク検査装置 |
| WO2011093372A1 (ja) * | 2010-01-29 | 2011-08-04 | 住友金属工業株式会社 | 欠陥検査装置 |
| US9121833B2 (en) | 2010-01-29 | 2015-09-01 | Nippon Steel & Sumitomo Metal Corporation | Defect inspecting apparatus |
| WO2021014645A1 (ja) * | 2019-07-25 | 2021-01-28 | 三菱電機株式会社 | 検査装置及び方法、並びにプログラム及び記録媒体 |
| JPWO2021014645A1 (ja) * | 2019-07-25 | 2021-12-09 | 三菱電機株式会社 | 検査装置及び方法、並びにプログラム及び記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0258588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-12-10 |
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