JP4417782B2 - ベニヤ単板の検査方法 - Google Patents
ベニヤ単板の検査方法 Download PDFInfo
- Publication number
- JP4417782B2 JP4417782B2 JP2004166724A JP2004166724A JP4417782B2 JP 4417782 B2 JP4417782 B2 JP 4417782B2 JP 2004166724 A JP2004166724 A JP 2004166724A JP 2004166724 A JP2004166724 A JP 2004166724A JP 4417782 B2 JP4417782 B2 JP 4417782B2
- Authority
- JP
- Japan
- Prior art keywords
- veneer
- inspection
- line sensor
- single plate
- sensor camera
- 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 - Lifetime
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- 238000007689 inspection Methods 0.000 title claims description 95
- 238000000034 method Methods 0.000 title claims description 21
- 230000007547 defect Effects 0.000 claims description 30
- 238000005286 illumination Methods 0.000 claims description 26
- 239000000835 fiber Substances 0.000 claims description 16
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 10
- 230000007723 transport mechanism Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
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- 238000012360 testing method Methods 0.000 description 2
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- 239000011521 glass Substances 0.000 description 1
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- 239000011800 void material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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- Veneer Processing And Manufacture Of Plywood (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Description
2 :後コンベア
3 :単板
3a :単板表面
3b :節穴
3c :隙間を有する割れ
3d :隙間を有しない割れ
3e :節
4 :下部照明
4a :青色発光ダイオード
5・6:ラインセンサーカメラ
7 :異色投光器
8 :検査信号の合成機構
9 :上部照明
9a :白色発光ダイオード
10 :有段搬送コンベア
Claims (4)
- ベニヤ単板を繊維方向と直交方向へ搬送する途上に於て、ベニヤ単板の繊維方向の全長を隈なく照明するように、ベニヤ単板の下方側へ備えた下部照明の照射光の漏洩を、ベニヤ単板の上方側に備えたラインセンサーカメラによって検知することにより、ベニヤ単板に内在する節穴・割れ等の如く単板組織に切れ目がある欠点を検査するに際し、ラインセンサーカメラの検査ラインの前後に於けるベニヤ単板全体の搬送高さに所望の落差を設けることにより、ベニヤ単板の自重のみを活用して、ベニヤ単板に内在する割れを顕在化し易くし、割れの部分に於ける下部照明の照射光の漏洩を助長しながら検査することを特徴とするベニヤ単板の検査方法。
- ラインセンサーカメラとしてカラーラインセンサーカメラを用いると共に、非自然光的な照射光を照射する下部照明を用いて成る請求項1記載のベニヤ単板の検査方法。
- ラインセンサーカメラとしてカラーラインセンサーカメラを用い、単板組織に切れ目がある欠点の外に、節・汚れ等の如く正常部分に比べて質が劣る欠点を併せて検査して成る請求項1又は請求項2記載のベニヤ単板の検査方法。
- 自然光的な照射光を照射する上部照明を、ベニヤ単板の上方側へ別途に備え、ベニヤ単板の上面を照明して成る請求項3記載のベニヤ単板の検査方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004166724A JP4417782B2 (ja) | 2004-06-04 | 2004-06-04 | ベニヤ単板の検査方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004166724A JP4417782B2 (ja) | 2004-06-04 | 2004-06-04 | ベニヤ単板の検査方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005345331A JP2005345331A (ja) | 2005-12-15 |
JP2005345331A5 JP2005345331A5 (ja) | 2007-04-26 |
JP4417782B2 true JP4417782B2 (ja) | 2010-02-17 |
Family
ID=35497851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004166724A Expired - Lifetime JP4417782B2 (ja) | 2004-06-04 | 2004-06-04 | ベニヤ単板の検査方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4417782B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011033541A (ja) * | 2009-08-04 | 2011-02-17 | Kikukawa Tekkosho:Kk | 合板検査装置 |
CN101975648B (zh) * | 2010-09-14 | 2012-05-16 | 苏州斯莱克精密设备股份有限公司 | 在线漏光检测仪 |
CN104345063A (zh) * | 2014-09-10 | 2015-02-11 | 德清县传琪装饰材料有限公司 | 一种木皮检测装置 |
-
2004
- 2004-06-04 JP JP2004166724A patent/JP4417782B2/ja not_active Expired - Lifetime
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Publication number | Publication date |
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JP2005345331A (ja) | 2005-12-15 |
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