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Titre : Versatility for vehicle doors : Family mold for inner door trim shows the performance of the flexflow hot runner technology Type de document : texte imprimé Année de publication : 2019 Article en page(s) : p. 30-31 Langues : Anglais (eng) Catégories : Automobiles -- Portières
Canaux chauffants
Matières plastiques -- Moulage par injection
Matières plastiques dans les automobiles
Moules d'injectionIndex. décimale : 668.4 Plastiques, vinyles Résumé : The hot runner manufacturer HRSflow presented a family mold for one-shot production of three high-quality visible parts for a door module for car interiors. The use of the Flexflow technology ensures flawless, finely grained surfaces without pressure lines or flow marks even though these parts differ considerably from one another in terms of their dimensions and volumes. Note de contenu : - Three cavity for door liner, map pocket and reinforcing bar
- Pressure sensors and contact sensors are integrated
- Figure : In the family mold, three very differently sized elements of a car door module can be manufactured in one shot. Flexflow technology allows the production of low-warpage, defect-free parts with finely grained class A surfacesEn ligne : https://drive.google.com/file/d/1VvHxr3EbZpXWBevO1LrQVqZvEb9DfMGS/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32451
in KUNSTSTOFFE INTERNATIONAL > Vol. 109, N° 4 (04/2019) . - p. 30-31[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20880 - Périodique Bibliothèque principale Documentaires Disponible Virtual demolding forces / Walter Michaeli in KUNSTSTOFFE INTERNATIONAL, Vol. 102, N° 6 (06/2012)
[article]
Titre : Virtual demolding forces Type de document : texte imprimé Auteurs : Walter Michaeli, Auteur ; Christian Hopmann, Auteur ; Ivo Erler, Auteur Année de publication : 2012 Article en page(s) : p. 35-38 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Contraintes (mécanique)
Démoulage
Matières plastiques -- Moulage par injection
Polycarbonates
Simulation par ordinateurIndex. décimale : 668.4 Plastiques, vinyles Résumé : Mold Design - Timely simulation to check the mold concept for injection molding is a key element in the successful launch of a product. The simulation plays an important role in developing fit-for-purpose molds in a shorter time and at lower cost. Note de contenu : - Characterization of the material's mechanical behavior
- In-process friction measurements
- Computational method combines injection molding and structural simulation
- Accuracy of the simulation results confirmedPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16249
in KUNSTSTOFFE INTERNATIONAL > Vol. 102, N° 6 (06/2012) . - p. 35-38[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 13986 - Périodique Bibliothèque principale Documentaires Disponible Virtual mold sampling for robust processes / Christian Hopmann in KUNSTSTOFFE INTERNATIONAL, Vol. 103, N° 10 (10/2013)
[article]
Titre : Virtual mold sampling for robust processes Type de document : texte imprimé Auteurs : Christian Hopmann, Auteur ; Benjamin Grümer, Auteur ; Gerald R. Berger, Auteur ; Andreas Neuss, Auteur ; Michael Gierth, Auteur ; Thomas Gröger, Auteur Année de publication : 2013 Article en page(s) : p.132-134 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Echantillonnage
Essais (technologie)
Matières plastiques -- Moulage par injection
Plan d'expérienceIndex. décimale : 668.4 Plastiques, vinyles Résumé : "Advanced partSim". Researchers from Austria, Slovenia and Germany are working on the optimization of the plastic-designed development process from the initial product idea to the start of serial production. Through the use of Design of Experiments before the commencement of mold testing, a robust process parameter set is to be specified without wasteful iteration loops. Note de contenu : - Step by step to the required process parameter set
- Pilot study 1 : automotive shell for mirror drive
- Pilot study 2 : cover of a sanitary cisternPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20282
in KUNSTSTOFFE INTERNATIONAL > Vol. 103, N° 10 (10/2013) . - p.132-134[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15617 - Périodique Bibliothèque principale Documentaires Disponible Virtual prediction of part failure / Christian Gopmann in KUNSTSTOFFE INTERNATIONAL, Vol. 103, N° 11 (11/2013)
[article]
Titre : Virtual prediction of part failure Type de document : texte imprimé Auteurs : Christian Gopmann, Auteur ; Paul F. Filz, Auteur ; Benjamin Grümer, Auteur ; Boštjan Šmuc, Auteur ; Bernhard Helbich, Auteur Année de publication : 2013 Article en page(s) : p. 20-22 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : AMDE, Méthode
Analyse des défaillances (fiabilité)
Matières plastiques -- Moulage par injection
Simulation par ordinateur
Simulation, Méthode deIndex. décimale : 668.4 Plastiques, vinyles Résumé : "Advanced PartSim" (Part 5) - The idea of optimizing the plastic-specific part development process from the initial product concept to the start of serial production is taking shape. New simulation analysis methods allow the determination and evaluation of burn streaks and sink marks. Note de contenu : - Provoking burn streaks and sink marks
- Invisible or non-occuring failuresEn ligne : https://drive.google.com/file/d/1gi4-WuXuM9RdUV245pVbXS49tMHnuEIF/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20214
in KUNSTSTOFFE INTERNATIONAL > Vol. 103, N° 11 (11/2013) . - p. 20-22[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15764 - Périodique Bibliothèque principale Documentaires Disponible Visualization analysis of temperature distribution in the cavity of conventional PPS and high-thermal-conductivity PPS during the filling stage of injection molding / Akifumi Kurita in INTERNATIONAL POLYMER PROCESSING, Vol. 38, N° 1 (2023)
[article]
Titre : Visualization analysis of temperature distribution in the cavity of conventional PPS and high-thermal-conductivity PPS during the filling stage of injection molding Type de document : texte imprimé Auteurs : Akifumi Kurita, Auteur ; Yohei Yoshimura, Auteur ; Makoto Suzuki, Auteur ; Hidetoshi Yokoi, Auteur ; Yusuke Kajihara, Auteur Année de publication : 2023 Article en page(s) : p. 42-53 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Matières plastiques -- Moulage par injection
Polysulfures de phénylène
Rayonnement infrarouge
Thermocinétique
ThermographieIndex. décimale : 668.4 Plastiques, vinyles Résumé : As a highly thermally conductive PPS that is lightweight and has excellent heat dissipation is expected to be applied in various products, its peculiar filling behavior can cause molding defects such as short shots and surface cracks. To address these challenges, it is important to elucidate the filling behavior and clarify the effects of cavity shape and molding conditions. Thus, we intend to visualize the filling behavior of the high-thermal-conductivity PPS. To achieve this goal, we develop an in-process visualization system to reveal both the thermal and kinetic behaviors of the resin while it fills the cavity. In the system, a sapphire prism glass is utilized in the mold for visualization because it exhibits high strength, high heat conduction, and high infrared transmittance. A high-speed visible camera for kinetic behavior and an infrared camera for thermal behavior are utilized. With the developed system, we successfully obtained for the first time the filling behavior of high-thermal-conductivity PPS. Visualization experiments prove that the temperature of the conventional PPS gradually decreases from the tip to the rear of the flow. However, the temperature of the high-thermal-conductivity PPS drops sharply from the tip of the flow to the rear, and breakage at the flow front near the cavity wall is generated. Our interpretation is that the flow front near the cavity wall can be easily broken when it is stretched, because the ductility of the high-thermal-conductivity PPS largely decreases because of the rapid temperature drop. To suppress the formation of this breakage, we modify the cavity shape and molding conditions, and verify its suppression effect. Note de contenu : - EXPERIMENTAL : In-process visualization system - Material, cavity shape and molding conditions
- RESULTS AND DISCUSSION : Visualization of conventional PPS - Visualization of high-thermal-conductivity PPS - Discussion of the unstable flow mechanism of high-thermal-conductivity PPSDOI : https://doi.org/10.1515/ipp-2022-4225 En ligne : https://drive.google.com/file/d/1ut9VU4Gf0QSTzndF-ZuqPXhKz__gq5zw/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39193
in INTERNATIONAL POLYMER PROCESSING > Vol. 38, N° 1 (2023) . - p. 42-53[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24052 - Périodique Bibliothèque principale Documentaires Disponible A warpage optimization method for injection molding using artificial neural network combined weighted expected improvement / H. Shi in INTERNATIONAL POLYMER PROCESSING, Vol. XXVII, N° 3 (07/2012)
PermalinkWater assisted injection molding : A review / S.-J. Liu in INTERNATIONAL POLYMER PROCESSING, Vol. XXIV, N° 4 (09/2009)
PermalinkWater penetration behavior in water-assisted injection molding (WAIM) : A study of product quality for different process and material parameters / Sofie Sannen in INTERNATIONAL POLYMER PROCESSING, Vol. XXVII, N° 5 (11/2012)
PermalinkWear protection for ring non-return valves / Christian Gornik in KUNSTSTOFFE INTERNATIONAL, Vol. 98, N° 9/2008 (09/2008)
PermalinkWeighing without time overhead / Deborah Lidauer in KUNSTSTOFFE INTERNATIONAL, Vol. 109, N° 10 (10/2019)
PermalinkWell-balanced hot runner technology for LCP processing / Horst-Werner Bremmer in KUNSTSTOFFE INTERNATIONAL, Vol. 111, N° 5 (2021)
PermalinkWell protected against electromagnetic interference / Marnik Vaes in KUNSTSTOFFE INTERNATIONAL, Vol. 111, N° 1 (2021)
PermalinkWhat is the most suitable material combination / Christian Hopmann in KUNSTSTOFFE INTERNATIONAL, Vol. 112, N° 2 (2022)
PermalinkWhen validated quality is not a competitive advantage / Vaculik, Robert in PLASTICS INSIGHTS, Vol. 113, N° 6 (2023)
PermalinkPermalinkWhy must the process control make corrections on restart ? / Stefan Kruppa in KUNSTSTOFFE INTERNATIONAL, Vol. 107, N° 9 (09/2017)
PermalinkPermalinkWireless life cycle monitoring in the injection molded part / Matthias Zeppenfeld in KUNSTSTOFFE INTERNATIONAL, Vol. 109, N° 4 (04/2019)
PermalinkWith broad sword and data collector / Peter Peschl in KUNSTSTOFFE INTERNATIONAL, Vol. 111, N° 4 (2021)
PermalinkWith a system change to new competitiveness / Reinhard Bauer in KUNSTSTOFFE INTERNATIONAL, Vol. 112, N° 1 (2022)
Permalink"With system integration, fewer errors occur" / Fabian Diehr in KUNSTSTOFFE INTERNATIONAL, Vol. 108, N° 11 (11/2018)
PermalinkWPC has different filling behavior / Cathrin Funke in KUNSTSTOFFE INTERNATIONAL, Vol. 100, N° 8 (08/2010)
Permalink"You can see what is happening in the mold" / Eberhard Duffner in KUNSTSTOFFE INTERNATIONAL, Vol. 110, N° 6 (2020)
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