| Titre : |
Filters reduce false sealant failures |
| Type de document : |
texte imprimé |
| Année de publication : |
2015 |
| Article en page(s) : |
p. 27-30 |
| Langues : |
Américain (ame) |
| Catégories : |
Adhésifs dans les automobiles
Détection de défauts (Ingénierie)
Filtration
Imagerie numérique
Mesures optiques
Produits d'étanchéité
Qualité -- Contrôle
|
| Index. décimale : |
668.3 Adhésifs et produits semblables |
| Résumé : |
Filtering can substantially reduce manual sealant inspection time, thus speeding up the automotive production line.
An automotive supplier uses a machine vision system to inspect up to 900 parts per min to substantially improve quality and productivity. The system checks for the presence and uniformity of a bead of sealant applied to the interior of a metal canister (see Figure 1).
During the application development, Chris Walker, project manager for Epic Systems Inc., which provides turnkey solutions for advanced automation and machine vision systems, wanted to reduce the number of false failures—good parts that were mistakenly identified as bad by the machine vision system. In addition, Walker wanted to reduce the time required for inspection to accommodate planned future increases in line speed. He used a setup of polarizing filters and an ultraviolet (UV)/infrared (IR) filter to eliminate glare. The elimination of glare substantially reduced the number of false failures and also made it possible to reduce the number of digital image filters in the vision algorithm, reducing inspection time from 85 to 65 milliseconds. |
| Note de contenu : |
- Solving inspection challenge
- Addressing glare problems
- Filtering improves line speed |
| En ligne : |
http://www.adhesivesmag.com/articles/93782-adhesives-at-work-filters-reduce-fals [...] |
| Format de la ressource électronique : |
Web |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=23779 |
in ADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 22, N° 4 (04/2015) . - p. 27-30
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Filters reduce false sealant failures in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 22, N° 4 (04/2015)
