JP3828532B2 - 検査装置および検査方法 - Google Patents
検査装置および検査方法 Download PDFInfo
- Publication number
- JP3828532B2 JP3828532B2 JP2003368464A JP2003368464A JP3828532B2 JP 3828532 B2 JP3828532 B2 JP 3828532B2 JP 2003368464 A JP2003368464 A JP 2003368464A JP 2003368464 A JP2003368464 A JP 2003368464A JP 3828532 B2 JP3828532 B2 JP 3828532B2
- Authority
- JP
- Japan
- Prior art keywords
- plane
- predetermined
- camera
- optical axis
- flat plate
- 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 - Fee Related
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Classifications
-
- 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
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
-
- 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
- G01B11/2433—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring outlines by shadow casting
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
11:突出部
12:環状像
21:下カメラ
22:リング状光源
23:横カメラ
24:横光源
25:正面カメラ
26:正面光源
35:制御手段
41:記憶手段
43:外部装置
Claims (3)
- 平板状部材に対して形成された突出部の凸面部分における頂部と、当該凸面の裏面となる凹面部分の最深部との所定のXY平面における位置ずれを検査する装置であって、
前記突出部分の凹面の中心と想定される部分の下方に配置され且つ前記所定のXY平面に向かう撮影光軸を有する下カメラと、
前記所定のXY平面と平行な光軸であって前記平板状部材に向かう撮影光軸を有する正面カメラと、
前記所定のXY平面と平行な光軸であって、前記平板状部材に向かうと共に前記正面カメラの撮影光軸とは異なる撮影光軸を有する横カメラと、
前記下カメラ、正面カメラおよび横カメラにより得られた影像を前記所定のXY平面上の座標に配置して位置データを得る制御手段とを有することを特徴とする検査装置。 - 前記下カメラの撮影光軸を中心とするリング状の発光領域を有し、移動可能なリング状光源を更に有することを特徴とする請求項1記載の検査装置。
- 平板状部材に対して形成された突出部の凸面部分における頂部と、当該凸面の裏面となる凹面部分の最深部との所定のXY平面における位置ずれを検査する方法であって、
前記突出部分の凹面の中心と想定される部分の下方であって且つ前記所定のXY平面に向かう方向から前記凹面に対して光を照射し、前記光が反射されて得られる像を撮影する工程と、
前記像に基づいて前記凹面の最深部についての前記所定のXY平面上の座標を得る工程と、
前記所定のXY平面と平行であって前記平板状部材に向かう撮影光軸を有する正面カメラによって、前記突出部分の凸面を撮影する工程と、
前記正面カメラによって撮影された影像に基づいて、前記凸面の頂部の前記所定のXY平面における座標を得る工程と、
前記所定のXY平面と平行な光軸であって前記平板状部材に向かうと共に前記正面カメラの撮影光軸とは異なる撮影光軸を有する横カメラによって、前記突出部分の凸面を撮影する工程と、
前記横カメラによって撮影された影像に基づいて、前記凸面の頂部の前記所定のXY平面における座標を得る工程と、
前記凹面最深部の前記所定のXY平面における座標と前記凸面頂部の前記所定のXY平面における座標とを比較する工程とを有することを特徴とする検査方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003368464A JP3828532B2 (ja) | 2003-10-29 | 2003-10-29 | 検査装置および検査方法 |
| US10/971,085 US7576769B2 (en) | 2003-10-29 | 2004-10-25 | Inspection device and inspection method |
| CNB2004100959109A CN1288632C (zh) | 2003-10-29 | 2004-10-29 | 检查装置和检查方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003368464A JP3828532B2 (ja) | 2003-10-29 | 2003-10-29 | 検査装置および検査方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005134174A JP2005134174A (ja) | 2005-05-26 |
| JP3828532B2 true JP3828532B2 (ja) | 2006-10-04 |
Family
ID=34543784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003368464A Expired - Fee Related JP3828532B2 (ja) | 2003-10-29 | 2003-10-29 | 検査装置および検査方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7576769B2 (ja) |
| JP (1) | JP3828532B2 (ja) |
| CN (1) | CN1288632C (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4954013B2 (ja) | 2007-10-11 | 2012-06-13 | 日本発條株式会社 | ヘッドサスペンション、ロードビーム、及びロードビームの製造方法 |
| JP5153466B2 (ja) * | 2008-06-11 | 2013-02-27 | 日本発條株式会社 | ディンプル位置検出方法 |
| JP5417517B2 (ja) * | 2012-10-15 | 2014-02-19 | 日本発條株式会社 | ディンプル位置検出装置 |
| CN109341579B (zh) * | 2018-10-26 | 2020-10-27 | 巨轮(广州)机器人与智能制造有限公司 | 车灯外形检测方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4876728A (en) * | 1985-06-04 | 1989-10-24 | Adept Technology, Inc. | Vision system for distinguishing touching parts |
| US5282103A (en) | 1992-10-07 | 1994-01-25 | Read-Rite Corporation | Magnetic head suspension assembly fabricated with integral load beam and flexure |
| EP0638801B1 (en) * | 1993-08-12 | 1998-12-23 | International Business Machines Corporation | Method of inspecting the array of balls of an integrated circuit module |
| US5803702A (en) * | 1996-11-08 | 1998-09-08 | Philip Morris Incorporated | Vision inspection system for double stacked packs |
| US6859285B1 (en) * | 1999-08-31 | 2005-02-22 | Og Technologies, Inc. | Optical observation device and method for observing articles at elevated temperatures |
| AU2001288641A1 (en) * | 2000-09-01 | 2002-03-13 | Mark M. Abbott | Optical system for imaging distortions in moving reflective sheets |
| US6493079B1 (en) * | 2000-09-07 | 2002-12-10 | National Instruments Corporation | System and method for machine vision analysis of an object using a reduced number of cameras |
-
2003
- 2003-10-29 JP JP2003368464A patent/JP3828532B2/ja not_active Expired - Fee Related
-
2004
- 2004-10-25 US US10/971,085 patent/US7576769B2/en not_active Expired - Fee Related
- 2004-10-29 CN CNB2004100959109A patent/CN1288632C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US7576769B2 (en) | 2009-08-18 |
| JP2005134174A (ja) | 2005-05-26 |
| US20050094542A1 (en) | 2005-05-05 |
| CN1288632C (zh) | 2006-12-06 |
| CN1612222A (zh) | 2005-05-04 |
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