Painting in a new mould / Markus Mechtel in EUROPEAN COATINGS JOURNAL (ECJ), N° 4 (04/2017)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 4 (04/2017) . - p. 154-157 Titre : Painting in a new mould : High quality finishes applied on the injection moulding machine Type de document : texte imprimé Auteurs : Markus Mechtel, Auteur ; Jan Weikard, Auteur ; Jan Helmig, Auteur Année de publication : 2017 Article en page(s) : p. 154-157 Langues : Anglais (eng) Catégories : Automobiles -- Habitacles Matières plastiques -- Revêtement Polyuréthanes Revêtements dans le moule Index. décimale : 667.9 Revêtements et enduits Résumé : Plastic components for automotive interiors are usually wet-coated some time after moulding. A new process applies the coating on the moulding machine. A wide range of gloss, matt or textured finished can be produced on the same component in a single operation. Note de contenu : - Coating in the mould : how the process functions - Simulation procedure aids effective mould design - Benefits of matching the finish to the mould surface - How designed freedom can be increased - How cost and energy savings are achieved - Why standard adhesion tests are not adequate - Plastic grades must be carefully selected - Meeting the challenges of the new process - FIGURES : 1. Flow diagram showing hot the "DirectCoating" process operates - 2. A steering wheel cover (section) made by the new coating technology. The fine-grained texture is scratch-resistant, because the high-gloss areas are located only in the grooves - 3. Comparison of the conventional process, including spray coating, with the in-mould technology - 4.Correct substrate selection will optimise the adhesion of PU coatings En ligne : https://drive.google.com/file/d/1bMCCDX2pvZkDB6FNTK7_n4qb3KEJZpbo/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28281 [article]

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Vis-à-vis with the driver / Jan Helmig in KUNSTSTOFFE INTERNATIONAL, Vol. 106, N° 9 (09/2016)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 106, N° 9 (09/2016) . - p. 134-136 Titre : Vis-à-vis with the driver : A steering wheel cover produced with the DirectCoating process illustrates the varied design possibilities for the automobile interior Type de document : texte imprimé Auteurs : Jan Helmig, Auteur ; Lucia Winkler, Auteur ; Roland Brambrink, Auteur ; Thomas Klimmasch, Auteur ; Jan Weikard, Auteur Année de publication : 2016 Article en page(s) : p. 134-136 Langues : Anglais (eng) Catégories : Automobiles -- Revêtements Laque et laquage Matières plastiques dans les automobiles Polyuréthanes Vernis Index. décimale : 668.4 Plastiques, vinyles Résumé : Surface technology - The design versatility of a polyurethane coating on part surfaces, including metallic effects and a fine grain with matt and glossy sections, is being illustrated with a steering wheel cover at the K trade fair. In contrast to injection molding with separate spray painting, this prototype is produced using an integrated process. Flooding the injection mold with the coating was simulated in advance. Note de contenu : - Integrated production versus separate spray painting - Tailor-made carrier materials and PU systems - Filling simulation for the PU lacquer - Streak-free metallic effect lacquer and grain design - Ambient light and integrated foliation - FIGURES : 1. Simulation of mold filling with PU lacquer : By integrating barriers, the vent hole in the middle of the part is only filled with lacquer and sealed once all areas of the part surface have been flooded - 2. The gloss levels of the effect lacquer system range from high gloss to matt ; surfaces can be smooth, textured or feature a soft feel - 3. Such a fine grain is especially scratch resistant since the high gloss is recessed in the "valleys" and therefore protected En ligne : https://drive.google.com/file/d/1U-LZithTOBTI3xmmUjqzfRDaICF_1Agz/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28058 [article]

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