From injection molding to additive manufacturing : / Andreas Wegner in KUNSTSTOFFE INTERNATIONAL, Vol. 111, N° 7 (2021)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 111, N° 7 (2021) . - p. 35-37 Titre : From injection molding to additive manufacturing : : PA66 and PBT for laser sintering Type de document : texte imprimé Auteurs : Andreas Wegner, Auteur Année de publication : 2021 Article en page(s) : p. 35-37 Langues : Anglais (eng) Catégories : Frittage laser Impression tridimensionnelle Polyamide 66 Polybutylène téréphtalate Index. décimale : 668.4 Plastiques, vinyles Résumé : The implementation of series applications in laser sintering is currently still hindered by an insufficient variety of materials. Many important engineering materials from traditional plastics processing have only been available for the process to a restricted extent up to now. PA66 and PBT considerably expand the field of applications for laser sintering by showing better properties than classic PA11 and PA12 materials in most cases. Note de contenu : - Alternatives to PA11 and PA12 - Traditional plastics for additive manufacturing - PA66 for laser sintering - PBT processable on standard machines - Filled PBT grades - Fig. 1 : Functional demonstrator of an electronic component made of PA66 produced by laser sintering: the material offers itself as an alternative to PA11 and PA12 in many areas - Fig. 2 : Components made of PBT produced by laser sintering already have a very smooth surface after printing and vapor smoothing can subsequently improve the surface quality even further - Fig. 3 : Laser-sintered special connector with clips and thin connector elements made of PBT: due to its electrical insulation properties, the PBT type used is very well suited for such components En ligne : https://drive.google.com/file/d/1HZynmizfRDDekPDmmFrxlucJ_GD9Gaho/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36282 [article]

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Refreshing strategies for polyamide-12 powder / Andreas Wegner in KUNSTSTOFFE INTERNATIONAL, Vol. 103, N° 11 (11/2013)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 103, N° 11 (11/2013) . - p. 55-57 Titre : Refreshing strategies for polyamide-12 powder Type de document : texte imprimé Auteurs : Andreas Wegner, Auteur ; Gerd Witt, Auteur ; Wolfgang Karg, Auteur Année de publication : 2013 Article en page(s) : p. 55-57 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Frittage laser Imagerie tridimensionnelle Indice de fluidité en volume Polyamide 12 Index. décimale : 668.4 Plastiques, vinyles Résumé : Laser Sintering is increasingly emerging as an additive manufacturing method for low-volume production. If it is to make the breakthrough to mass production, however, a way must be found of upcycling the excess polymer powder to obtain the highest-possible quality. This can be done by using melt volume-flow rate instruments to determine the quality of the material and devising a suitable refreshing strategy. Note de contenu : - Avoiding loss of quality - Melt volume-flow rate as a predictor of quality - Adjustment of refreshing strategies - Measures and refreshing strategy En ligne : https://drive.google.com/file/d/1HYZSes8Amf74DUIsw__KpMmXAkULNEuY/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20224 [article]

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