Assuring composite quality / Jan Poppensieker in KUNSTSTOFFE INTERNATIONAL, Vol. 108, N° 1-2 (01-02/2018)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 108, N° 1-2 (01-02/2018) . - p. 6-8 Titre : Assuring composite quality : Automated optical inline inspection of fiber-reinforced plastics Type de document : texte imprimé Auteurs : Jan Poppensieker, Auteur Année de publication : 2018 Article en page(s) : p. 6-8 Langues : Anglais (eng) Catégories : Automatisation Composites à fibres Mesures optiques Qualité -- Contrôle Index. décimale : 668.4 Plastiques, vinyles Résumé : Composite carbone, glass and aramid fiber materials are extremely versatile and therefore ever more important for modern industry. Automated optical inspectionsystems can documents the production quality of web materials, and at the same time make a valuable contribution to process analysis intelligent production control. Note de contenu : - Composite materials for mobility and energy efficiency - Specialized system extensions - Documented quality and audit support - Production management intelligence - FIGURES : 1. Schematic arrangement of the inspection channels. Besides inspection by transmission, the top and bottom sides of the material are tested by reflection - 2. Example of a production defect in w woven multidirectional carbon material - 3. Identifying critical trends in advance : For reliable process control, the inspection software statistically processes important parameters, such as the trim widths or the "openness" of the material (ratio of total surface area toholes) and displays values that fall above or below the thresholds in red and green respectively - 4. Fuzz ball : accumulation of loose carbon fibers on the material. 3D recording of the height of the fibers over the material makes it possible to assess whether a critical defect is present En ligne : https://drive.google.com/file/d/153bfF6t5aokd7EGg7j4z9J0JdXaTx24U/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30081 [article]

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Brilliantly Inspected / Jan Poppensieker in KUNSTSTOFFE INTERNATIONAL, Vol. 107, N° 12 (12/2017)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 107, N° 12 (12/2017) . - p. 46-48 Titre : Brilliantly Inspected : COP methods adds examination of functional properties to film inspection Type de document : texte imprimé Auteurs : Jan Poppensieker, Auteur Année de publication : 2017 Article en page(s) : p. 46-48 Langues : Anglais (eng) Catégories : Brillance (optique) -- Mesure Films plastiques -- Propriétés optiques Matériel optique Mesures optiques Qualité -- Contrôle Transparence (optique) Index. décimale : 668.4 Plastiques, vinyles Résumé : The gloss and haze of films can provide information about numerous functional material properties. With the control of optical properties method, they can be examined during production so that manufacturers are able to produce products of much higher quality and access new markets. Note de contenu : - Monitoring material properties - Inspection with COP - Evaluation of the angle-resolved lighting intensity - Analyzing large data volumes - Higher quality through optical inspection - FIGURES : 1. Camera-based optical inspection systems to assess the quality of plastic sheets - 2. Control of optical properties : in the measurement of reference samples, the inspection method returns measurements that are nearly identical to those of a standards-compliant laboratory device - 3. Measuring optical properties : a line scan camera is able to record the scattered light with angle resolution and therefore capture haze and gloss simultaneously - 4. The see-through quality of film depends on the shape of the scatter curve, and for example influences the appearance of packaged goods in the supermarket En ligne : https://drive.google.com/file/d/1R5uIw7ZU-aGNHZE1CK2t8cmkM0Ugce4Z/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29683 [article]

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