JPH09500445A - 光学部品検査装置 - Google Patents
光学部品検査装置Info
- Publication number
- JPH09500445A JPH09500445A JP6521442A JP52144294A JPH09500445A JP H09500445 A JPH09500445 A JP H09500445A JP 6521442 A JP6521442 A JP 6521442A JP 52144294 A JP52144294 A JP 52144294A JP H09500445 A JPH09500445 A JP H09500445A
- Authority
- JP
- Japan
- Prior art keywords
- light
- band
- inspection
- workpiece
- length
- 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
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
- G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2425—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures of screw-threads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
Landscapes
- Physics & Mathematics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 加工物が形状の基準に適合しているかどうかを評価する検査装置であっ て、 検査部を通って前記加工物を移動させる通路手段と、 前記検査部であって、その厚さより大きい幅を持つ光の帯を作る光源を備え、 前記加工物が前記検査部を通るときに前記光の帯を通過する方向に前記光源を前 記通路に対して向け、前記光の帯の方向はその幅と前記加工物が前記試験部を通 って移動する方向とが平行になるようにし、前記検査部は、前記光の帯を受けて 、入射する前記光の帯の強さに関係する出力信号を出す光電検出器を更に備え、 これにより前記強さは、前記加工物が前記検査部を通って移動する際に前記加工 物が前記光の帯をさえぎる程度に関係する、検査部と、 前記光電検出器の出力信号を受けて、前記移動の方向に測定した前記加工物の 長さに関係する値を出す、信号処理手段と、 を備える検査装置。 2. 請求項1記載の検査装置であって、前記光電検出器は前記さえぎる程度 に関係するアナログ信号である1チャンネル出力を出す、検査装置。 3. 請求項1記載の検査装置であって、前記光の帯の幅は前記加工物の幅よ り小さい、検査装置。 4. 請求項1記載の検査装置であって、各加工物の長さは、前記加工物が前 記検査部を通って移動する前記方向に測定した前記光の帯の前記幅より小さい、 検査装置。 5. 請求項1記載の検査装置であって、前記検査部内に前記光の帯から離れ た少なくとも1個の光ビーム検出器を備え、これにより前記加工物の長さを前記 第1および第2光電検出器からの信号で評価することができ、従って前記光の帯 より長い加工物を評価することができる、検査装置。 6. 請求項1記載の検査装置であって、前記信号処理手段は前記検査部を通 って移動する前記加工物の速度を計算する、検査装置。 7. 加工物が形状の基準に適合しているかどうかを評価する検査装置であっ て、 検査部を通って前記加工物を移動させる通路手段と、 前記検査部であって、その厚さより大きい幅を持つ光の帯を作る光源を備え、 前記加工物が前記検査部を通るときに前記光の帯を通過する方向に前記光源を前 記通路に対して向け、前記光の帯の方向はその幅と前記加工物が前記試験部を通 って移動する方向とが垂直になるようにし、前記検査部は、前記光の帯を受けて 、入射する前記光の帯の強さに関係する出力信号を出す光電検出器を更に備え、 これにより前記強さは、前記加工物が前記検査部を通って移動する際に前記加工 物が前記光の帯をさえぎる程度に関係する、検査部と、 前記光電検出器の出力信号を受けて、前記移動の方向に垂直に測定した前記加 工物の断面厚さに関係する値を出す、信号処理手段と、 を備える検査装置。 8. 請求項7記載の検査装置であって、前記光電検出器は前記さえぎる程度 に関係するアナログ信号である1チャンネル出力を出す、検査装置。 9. 請求項7記載の検査装置であって、前記光の帯の長さは前記加工物の幅 より大きい、検査装置。 10. 請求項7記載の検査装置であって、角度を変えた位置に向けた複数の 前記光源を更に備える、検査装置。 11. 加工物が形状の基準に適合しているかどうかを評価する検査装置であ って、 検査部を通って前記加工物を移動させる通路手段と、 前記検査部であって、その厚さより大きい幅を持つ光の第1帯を作る第1光源 を備え、前記加工物が前記検査部を通るときに前記光の第1帯を通過する方向に 前記第1光源を前記通路に対して向け、前記光の第1帯の方向はその幅と前記加 工物が前記試験部を通って移動する方向とが平行になるようにし、前記検査部は 、前記光の第1帯を受けて、入射する前記光の第1帯の強さに関係する出力信号 を出す第1光電検出器を更に備え、これにより前記強さは、前記加工物が前記検 査部を通って移動する際に前記加工物が前記光の第1帯をさえぎる程度に関係し 、また、その厚さより大きい幅を持つ光の第2帯を作る第2光源を備え、前記加 工 物が前記検査部を通るときに前記光の第2帯を通過する方向に前記第2光源を前 記通路に対して向け、前記光の第2帯の方向はその幅と前記加工物が前記試験部 を通って移動する方向とが垂直になるようにし、前記検査部は、前記光の第2帯 を受けて、入射する前記光の第2帯の強さに関係する出力信号を出す第2光電検 出器を更に備え、これにより前記強さは、前記加工物が前記検査部を通って移動 する際に前記加工物が前記光の第2帯をさえぎる程度に関係する、検査部と、 前記第1および第2光電検出器の出力信号を受けて、前記移動の方向に測定し た前記加工物の長さと、前記移動の方向に垂直に測定した前記加工物の断面形状 とに関係する値を出す、信号処理手段と、 を備える検査装置。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/049,172 US5383021A (en) | 1993-04-19 | 1993-04-19 | Optical part inspection system |
| US08/049,172 | 1993-04-19 | ||
| US049,172 | 1993-04-19 | ||
| PCT/US1994/003822 WO1994024517A1 (en) | 1993-04-19 | 1994-04-07 | Non-contact inspection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09500445A true JPH09500445A (ja) | 1997-01-14 |
| JP3042885B2 JP3042885B2 (ja) | 2000-05-22 |
Family
ID=21958409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6521442A Expired - Fee Related JP3042885B2 (ja) | 1993-04-19 | 1994-04-07 | 光学部品検査装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US5383021A (ja) |
| EP (1) | EP0695413B1 (ja) |
| JP (1) | JP3042885B2 (ja) |
| DE (1) | DE69429340T2 (ja) |
| WO (1) | WO1994024517A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011501192A (ja) * | 2007-10-23 | 2011-01-06 | ジーアイアイ アクイジション,エルエルシー ディービーエイ ジェネラル インスペクション,エルエルシー | パーツを光学的に検査するための方法及びシステム |
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| JPS5862505A (ja) * | 1981-10-09 | 1983-04-14 | Sumitomo Metal Ind Ltd | ネジ要素測必装置 |
| US4532723A (en) * | 1982-03-25 | 1985-08-06 | General Electric Company | Optical inspection system |
| DE3334976A1 (de) * | 1983-09-27 | 1985-04-18 | Dr.-Ing. Wolfgang Schulz, Meßtechnik, 4020 Mettmann | Verfahren und vorrichtung zur beruehrungslosen ermittlung von rundlaufabweichungen eines rotationskoerpers |
| DE3633275A1 (de) * | 1986-09-30 | 1987-10-08 | Siemens Ag | Verfahren zum generieren von lagesignalen, die orte repraesentieren, welche die etwa elliptische querschnittsflaeche eines objektes begrenzen |
| IT1210741B (it) * | 1987-05-18 | 1989-09-20 | Artos Italia | Dispositivo optoelettronico per la misurazione senza contatto delle dimensioni di oggetti |
| US4875777A (en) * | 1987-09-30 | 1989-10-24 | Industrial Technology Institute | Off-axis high accuracy structured light profiler |
| US4880991A (en) * | 1987-11-09 | 1989-11-14 | Industrial Technology Institute | Non-contact dimensional gage for turned parts |
| US4991308A (en) * | 1988-02-16 | 1991-02-12 | General Electric Company | Diameter gauge |
| DE3817387A1 (de) * | 1988-05-19 | 1989-11-30 | Mannesmann Ag | Verfahren und vorrichtung zur erfassung der aeusseren gestalt eines langgestreckten, im querschnitt prismatischen koerpers |
| US4978223A (en) * | 1989-03-08 | 1990-12-18 | Westinghouse Electric Corp. | Determination of dimensions of tubes |
| US5164995A (en) * | 1989-11-27 | 1992-11-17 | General Motors Corporation | Signature analysis apparatus |
| WO1991008439A1 (de) * | 1989-12-05 | 1991-06-13 | Böhler Gesellschaft M.B.H. | Verfahren und anordnung zur optoelektronischen vermessung von gegenständen |
| DE9208684U1 (de) * | 1992-06-29 | 1992-11-05 | Strebel Engineering, Kleindöttingen | Vorrichtung zum Prüfen von Formteilen |
| US5383021A (en) * | 1993-04-19 | 1995-01-17 | Mectron Engineering Company | Optical part inspection system |
-
1993
- 1993-04-19 US US08/049,172 patent/US5383021A/en not_active Expired - Lifetime
-
1994
- 1994-04-07 JP JP6521442A patent/JP3042885B2/ja not_active Expired - Fee Related
- 1994-04-07 DE DE69429340T patent/DE69429340T2/de not_active Expired - Fee Related
- 1994-04-07 EP EP94914070A patent/EP0695413B1/en not_active Expired - Lifetime
- 1994-04-07 WO PCT/US1994/003822 patent/WO1994024517A1/en not_active Ceased
-
1995
- 1995-01-06 US US08/369,360 patent/US5568263A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011501192A (ja) * | 2007-10-23 | 2011-01-06 | ジーアイアイ アクイジション,エルエルシー ディービーエイ ジェネラル インスペクション,エルエルシー | パーツを光学的に検査するための方法及びシステム |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3042885B2 (ja) | 2000-05-22 |
| US5383021A (en) | 1995-01-17 |
| EP0695413B1 (en) | 2001-12-05 |
| DE69429340T2 (de) | 2002-08-14 |
| EP0695413A1 (en) | 1996-02-07 |
| EP0695413A4 (en) | 1997-12-29 |
| US5568263A (en) | 1996-10-22 |
| DE69429340D1 (de) | 2002-01-17 |
| WO1994024517A1 (en) | 1994-10-27 |
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