All a question of strategy / Norbert Delle in KUNSTSTOFFE INTERNATIONAL, Vol. 108, N° 5 (05/2018)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 108, N° 5 (05/2018) . - p. 30-32 Titre : All a question of strategy : Heyco and Synventive : applied problem solving in hot runner technology Type de document : texte imprimé Auteurs : Norbert Delle, Auteur Année de publication : 2018 Article en page(s) : p. 30-32 Langues : Anglais (eng) Catégories : Canaux chauffants Matières plastiques -- Moulage par injection Matières plastiques dans les automobiles Index. décimale : 668.4 Plastiques, vinyles Résumé : Heyco-Werk Süd is the pulse generator for the plastics processing of the entire group of companies. This is where the threads for the development and production of technical plastic parts come together. The automotive supplier sees itself well positioned not only with its own product portfolio, but also with the choice of strategic partners. How this works is demonstrated by the example of a component for the BMW X2. Note de contenu : - Strategic partnerships instead of huge follow-up costs - Surface problems despite cascade with 2 x 7 drop valve gate system - Active and controlled melt flow in the cavity - For-reaching policy decision - Fig. : In this tool, the 148 cm long cowl for the BMW x2 is manufactured by cascade injection molding - Fig. 1 : Never again without flow front control - Fig. 2 : The 740 g heavy cowl for the BMW x2 is manufactured as a 2-component part made of PP and TPE-S. It is important to control surface quality and distortion - Fig. 3 : The hot runner system for the cowl of the BMW x2 contains seven needle valve nozzles each for the hard and soft components - Fig. 4 : Synflow technology allows the flow front velocity of the melt to be controlled via a reduced opening speed of the valve needle En ligne : https://drive.google.com/file/d/1ZJj5W3f0CAIeduVVlWshO_yM_pisDMwX/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30599 [article]

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An energy-efficient pressure piece by 3D printing / Franciska Thomas in KUNSTSTOFFE INTERNATIONAL, Vol. 112, N° 5 (2022)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 112, N° 5 (2022) . - p. 30-31 Titre : An energy-efficient pressure piece by 3D printing : Additively manufactured "energy blockers" for hot runner manifolds Type de document : texte imprimé Auteurs : Franciska Thomas, Auteur Année de publication : 2022 Article en page(s) : p. 30-31 Langues : Anglais (eng) Catégories : Canaux chauffants Efficacité énergétique Impression tridimensionnelle Matières plastiques -- Moulage par injection Structure en nid d'abeilles Tags : 'Canaux  chauds  à  cavités'  'Bloqueurs  d'énergie'  'Buses  en  nid  d'abeilles' Index. décimale : 668.4 Plastiques, vinyles Résumé : Increasing energy efficiency and control accurcy in injection molding by additive manufacturing of hot runner components - Witosa is resolutely pursuing this strategy. After launching 3D-printed one-part hot runner nozzles last fall, it is following this up with pressure pieces also manufactured by SLM. As with the novel nozzles, a hexagonal honeycomb structure is crucial to its performance. Note de contenu : - The pressure pieces reduce the heat loss of the manifold system - Is the investment worthwhile ? - Figure : 16-cavity hot runner system. It incorporates 16 Monolith nozzles. On the reverse side of the manifold, 16 larger and two smaller energy blockers were installed ; at the opposite nozzle side there are ten in two different sizes En ligne : https://drive.google.com/file/d/1tSZWmzFMA8UoI5X9O-9nYKD4EdeaWhOZ/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37994 [article]

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Balancing on the needle point in KUNSTSTOFFE INTERNATIONAL, Vol. 107, N° 3 (03/2017)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 107, N° 3 (03/2017) . - p. 15-16 Titre : Balancing on the needle point : Advantages of a sensitively controlled needle valve system for hot runners Type de document : texte imprimé Année de publication : 2017 Article en page(s) : p. 15-16 Langues : Anglais (eng) Catégories : Analyse thermique Canaux chauffants Economies d'énergie Matières plastiques -- Moulage par injection Matières plastiques -- Moulage par injection -- Appareils et matériel Moules d'injection Servomécanismes Index. décimale : 668.4 Plastiques, vinyles Résumé : Hot runner technology - At the K show, the Italian hot-runner supplier HRSflow focused its presentation on hot-runner solutions for injection molding of complex, large-format parts with multiple gating in the mold or for systems for multi-cavity applications, as well as on a new portable hot runner solution with servomotor needle valve and a new energy-efficient hot runner solution. Note de contenu : - Much larger process window - Energy-efficient hot runner system - Thermal analysis on the computer - FIGURES : 1. The modules of Flexflow One : Servo drive for operating the needle of the hot runner nozzle in the mold and the connected driver module mounted on the hot runner system - 2. Injection molding of a chrome-plateable automotive front grille in a family mold with ten gating points : without regulating the melt flow, the different sized cavities are filled very unevenly, but when controlled with Flexflow, all the cavities are filled in the same period of time - 3. Compared with present standard version, the volume of the new Ecoflow hot runner (bottom) has been reduced by a third En ligne : https://drive.google.com/file/d/1JM8vx2K8vQ1hMvSaxo-vKklMaZHnwE6q/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28265 [article]

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Bioplastics in hot runners / Jörg Essinger in KUNSTSTOFFE INTERNATIONAL, Vol. 103, N° 11 (11/2013)  

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 103, N° 11 (11/2013) . - p. 45-47 Titre : Bioplastics in hot runners Type de document : texte imprimé Auteurs : Jörg Essinger, Auteur Année de publication : 2013 Article en page(s) : p. 45-47 Langues : Anglais (eng) Catégories : Bioplastiques Canaux chauffants Matières plastiques -- Appareils et matériel Outillage Index. décimale : 668.4 Plastiques, vinyles Résumé : Recent surveys by the European Bioplastics Association predict a fivefold increase of global bioplastics production capacity to almost 6 million tons between 2011 and 2016. Processors will have to get prepared for this new material, come up with solutions for the specific problems encountered when working with it, and optimize their processes. Injection molding of polylactide using hot runner technology is one step in this direction. Note de contenu : - Processing thermosensitive materials - Small processing window and precise temperature control En ligne : https://drive.google.com/file/d/18i7NRbgF3kDa1Z6fkpcKcnt4NDQWvCJL/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20221 [article]

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Bright prospects / Julian Schild in PLASTICS INSIGHTS, Vol. 113, N° 9 (2023)  

[article]  inPLASTICS INSIGHTS > Vol. 113, N° 9 (2023) . - p. 44-48 Titre : Bright prospects : Targeted control of the pin opening speed Type de document : texte imprimé Auteurs : Julian Schild, Auteur ; Simon Wurzbacher, Auteur Année de publication : 2023 Article en page(s) : p. 44-48 Langues : Anglais (eng) Catégories : Canaux chauffants Matières plastiques -- Moulage par injection Index. décimale : 668.4 Plastiques, vinyles Résumé : Surface blemishes in the form of differences in gloss level are typical defects on flat, sequentially filled parts. With Synflow technology, part quality can be ensured easily and in a reproducible manner. Note de contenu : - Checking the melt flow with synflow - Speed of pin opening is controlled via valve - Test setup enables a wide range of injection scenarios - Pressure curves illustrate the effects - A look into the cavity illustrates the effect - Gloss-level optimization by adjusting the pin opening speed - Fig. 1. Differences in gloss level caused by a sudden pressure drop can result in substantial quality costs for sequentially filled parts (left without Synflow, right with Synflow) - Fig. 2. Schematic diagram for delaying the pin opening speed using Synflow - Fig. 3. Injection pressure curve over pin opening speed and injection speed - Fig. 4. Influence of Synflow on hesitation lines at different injection speeds - Fig. 5. Internal tool pressure curve over pin opening speed - Fig. 6. Gloss level along the direction of flow En ligne : https://drive.google.com/file/d/1ymlj2O4JCEPAjVbXEd9cdukaZk9jwRVN/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40750 [article]

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Canaux chauds : éviter les embûches / Miguel K. Ritto in CAOUTCHOUCS & PLASTIQUES, N° 715 (06-07/1992)

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Choisir des canaux chauds pour le médical / Thomas Bechtel in PLASTIQUES & CAOUTCHOUCS MAGAZINE, N° 845 (12/2006)

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Continuous fine adjustment / Henning Becker in KUNSTSTOFFE INTERNATIONAL, Vol. 105, N° 4 (04/2015)  

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Effect of the hot runner on the mold cooling / Marco Thornagel in KUNSTSTOFFE INTERNATIONAL, Vol. 102, N° 12 (12/2012)

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Efficient side gating / Peter Braun in KUNSTSTOFFE INTERNATIONAL, Vol. 103, N° 9 (09/2013)

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Feel-good ambient lighting demands perfection / F. Stephan Auch in KUNSTSTOFFE INTERNATIONAL, Vol. 109, N° 3 (03/2019)  

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Fine adjustment of the melt flows in the hot runner by means of melt rotation / Reinhard Kabus in KUNSTSTOFFE INTERNATIONAL, Vol. 109, N° 5 (05/2019)  

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Flexible injection solutions with adapter plates / Adam Czech in KUNSTSTOFFE INTERNATIONAL, Vol. 113, N° 1 (2023)  

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Flexible technology module / Wolfgang Nendel in KUNSTSTOFFE INTERNATIONAL, Vol. 106, N° 8 (08/2016)  

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A fresh breeze for the caravan / Hans-Jörg Schreyer in KUNSTSTOFFE INTERNATIONAL, Vol. 102, N° 12 (12/2012)

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From simple filter to a product with added value / Armin Kölz in KUNSTSTOFFE INTERNATIONAL, Vol. 104, N° 1 (01/2014)  

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Fully automated manifold design in hot runner technology / Henning Becker in PLASTICS INSIGHTS, Vol. 113, N° 8 (2023)  

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Hot half for dosing pipettes / Armin Kölz in KUNSTSTOFFE INTERNATIONAL, Vol. 101, N° 2 (02/2011)

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Hot runner balancing enters production / Erwin König in KUNSTSTOFFE INTERNATIONAL, Vol. 108, N° 11 (11/2018)  

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Hot runner, carbon neutral / Clemens Doriat in KUNSTSTOFFE INTERNATIONAL, Vol. 113, N° 2 (2023)  

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