Differential molding system for micro injection molding of thermoplastics / X. Wang in INTERNATIONAL POLYMER PROCESSING, Vol. XXVIII, N° 2 (05/2013)  

[article]  inINTERNATIONAL POLYMER PROCESSING > Vol. XXVIII, N° 2 (05/2013) . - p. 159-167 Titre : Differential molding system for micro injection molding of thermoplastics Type de document : texte imprimé Auteurs : X. Wang ; P. Xie ; P. Zhang ; Y. Ding ; W. Yang Année de publication : 2013 Article en page(s) : p. 159-167 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Matières plastiques -- Moulage par injection -- Appareils et matériel Matières plastiques -- Moulage par micro-injection Thermoplastiques -- Moulage par injection Tags : 'Moulage  différentiel'  'Matière  plastique'  micro-injection' Index. décimale : 668.4 Plastiques, vinyles Résumé : A differential molding system for micro injection molding of thermoplastics was designed and fabricated. As the core part, a planetary gear pump was integrated into the molding module and used for metering, delivering and supercharging. The molding system was installed in the stationary platen beside which a servo motor was connected to the transmission shaft of the pump through a coupling. A traditional injection molding machine which was equipped with this module could be upgraded to a precise micro injection molding machine and realized the function of multiple micro injection molding machines. A process study was first performed to verify the machine performance and to determine the influence of the main process parameters. It has been proved by experiments that the differential molding system could realize the manufacture of fine and precision parts with micro structures in one step with high efficiency at low cost. Note de contenu : - DESIGN OF DIFFERENTIAL MOLDING SYSTEM : Design ideas - Metering, delivering ans supercharging mechanism - Temperature control - Control and injection processes - EXPERIMENTAL : Experimental apparatus - Mold and part - PERFORMANCE TEST : Weight repeatibility of micro parts - Weight repeatability of injection dose - System stability DOI : 10.3139/217.2642 En ligne : https://drive.google.com/file/d/16oQkbjYxmzmlHbWGbG3xzQSLbTn8KbPS/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18425 [article]

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