{"id":3717,"date":"2024-10-17T08:03:48","date_gmt":"2024-10-17T08:03:48","guid":{"rendered":"https:\/\/ikv-aachen.de\/rp\/thermisch-agiles-extrusionswerkzeug\/"},"modified":"2024-12-18T14:39:35","modified_gmt":"2024-12-18T14:39:35","slug":"thermally-agile-film-extrusion-die","status":"publish","type":"cpt_ikv_rp","link":"https:\/\/ikv-aachen.de\/en\/rp\/thermally-agile-film-extrusion-die\/","title":{"rendered":"Thermally agile film extrusion die"},"content":{"rendered":"<style type=\"text\/css\">\n    #single-header-block_6eb976300e3ab9ef05085af9e264a969 .swiperThumbsNavi .swiper-slide {\n        opacity: 0.4;\n    }\n\n    #single-header-block_6eb976300e3ab9ef05085af9e264a969 .swiperThumbsNavi .swiper-slide-thumb-active {\n        opacity: 1;\n    }\n<\/style>\n    <section id=\"single-header-block_6eb976300e3ab9ef05085af9e264a969\" class=\"block-single-header theGridWrapper \">\n        <div class=\"theGrid12\">\n            <div class=\" col-start-2 col-span-10 md:col-start-3  md:col-span-8\">\n                <h2 class=\"font-serif font-semibold text-blue text-sm w-4\/5\">\n                    Research project develops thermally agile extrusion tool for more efficient film production                <\/h2>\n                                    <div class=\"mt-base text-blue text-sm font border-l-8  border-blue pl-base my-12 leading-normal \">\n                        The aim is to use targeted lightweight construction approaches to reduce the mass, flow paths and thermal set-up times of moulds in order to increase efficiency in film production. This innovative project promises customised solutions for different tool sizes and types.                    <\/div>\n                                            <\/div>\n        <\/div>\n    <\/section>\n\n\n<figure class=\" relative flex flex-col gap-2xs mb-xs md:mb-l xl:mb-xl\"><img decoding=\"async\"  class=\" w-full  \"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/10\/HO4776-89-1_Leichtbaustrategien-fuer-Extrusionswerkzeuge.png\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/10\/HO4776-89-1_Leichtbaustrategien-fuer-Extrusionswerkzeuge-748x339.png 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/10\/HO4776-89-1_Leichtbaustrategien-fuer-Extrusionswerkzeuge-1536x696.png 1536w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/10\/HO4776-89-1_Leichtbaustrategien-fuer-Extrusionswerkzeuge-768x348.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" width=\"1536\" height=\"696\" alt=\"Therm. agiles Extrsions. eng\" loading=\"lazy\" \/><span class=\" text-copyright order-3 justify-end text-right w-full  w-full \">&copy; IKV<\/span><figcaption class=\" w-full  text-figcaption justify-end text-right \">Lightweight strategies for extrusion dies<\/figcaption><\/figure>\n\n\n<p class=\"wp-block-paragraph\">Extrusion dies that are used for the continuous production of complex products such as a coextruded film several metres wide are usually very large and heavy. The combination of high pressures due to the high viscosity of the processed polymers, multiple flow channels in the coextrusion structure and large film widths means that extrusion moulds are subject to high mechanical loads. To ensure that the individual mould plates are properly sealed against each other despite these loads, they are generally dimensioned conservatively, i.e. very rigid and therefore very voluminous. The large volume and the resulting high mass in turn lead to difficulties in handling, high flow path lengths and long thermal set-up times, i.e. long waiting times when changing over to a product with a different target temperature. The new research project \u201cAutomated simulation-driven analysis of lightweight design strategies for the efficient design of film extrusion dies\u201d aims to investigate which lightweight design strategies make sense in order to reduce masses, flow paths and thermal set-up times depending on the size and type of extrusion die. To achieve this goal, a simulation environment that describes the interaction between the flow in the flow channel and the bending of the die plates is to be created. In addition, this simulation environment must allow for an automatic adaption of plate geometry. For this purpose the immersed boundary surface method in the open source software OpenFOAM (OpenFOAM Foundation Ltd., Great Britain) is to be used. Conventional calculation methods and laboratory tests with a flexible mould made of PMMA are used for the validation of this approach. After that, lightweight construction strategies like substitution of steel with aluminium, increasing rigidity by bending, highly detailed mechanical dimensioning, ribbing and topology optimisation are automatically applied. Two fundamentally different types of extrusion dies and various sizes are investigated. The simulated improvements in terms of die mass, flow path length and thermal set-up time are analysed in detail and compared with typical industrial values. As a result, the extent to which lightweight construction makes sense for the majority of extrusion dies used in practice will be examined for the first time. Two optimised dies are manufactured and examined in laboratory tests so that the optimisation method is validated alongside the calculation method.<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Project data and funding<\/summary>\n<p class=\"wp-block-paragraph\">We would like to thank the DFG for funding the project (funding code HO 4776\/89-1) and the project partnersfor their cooperation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Project duration:<\/strong> 01.01.2024 &#8211; 31.12.2025<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Project partners and funding<\/h2>\n\n\n<section id=\"logo-bar-block_2d60f4e1926f566024c4d2ec5f63b710\" class=\"block-logo-bar py-2xl  clear-both\">\n    <div class=\"theGridWrapper overflow-hidden  \">\n        <div class=\"grid grid-cols-[repeat(auto-fill,minmax(140px,1fr))] gap-base\">\n                            <figure class=\" relative h-full  \"><img decoding=\"async\" fetchpriority=\"low\"  class=\" object-contain w-full h-full mb-base  \"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/12\/Logo-DFG.png\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/12\/Logo-DFG-748x591.png 748w\" sizes=\"auto, (max-width: 748px) 100vw, 748px\" width=\"748\" height=\"591\" alt=\"Logo-DFG\" loading=\"lazy\" \/><\/figure>                                <\/div>\n    <\/div>\n<\/section>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading\">Keywords<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Ziel ist es, durch gezielte Leichtbauans\u00e4tze die Masse, Flie\u00dfwege und thermischen R\u00fcstzeiten von Werkzeugen zu reduzieren, um die Effizienz in der Folienproduktion zu steigern. Dieses innovative Vorhaben verspricht ma\u00dfgeschneiderte L\u00f6sungen f\u00fcr unterschiedliche Werkzeuggr\u00f6\u00dfen und -typen.<\/p>\n","protected":false},"featured_media":3301,"parent":0,"template":"","tags":[993,994],"research_fields":[856],"class_list":["post-3717","cpt_ikv_rp","type-cpt_ikv_rp","status-publish","has-post-thumbnail","hentry","tag-filmextrusion-en","tag-simulation-en-2","research_fields-extrusion-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Thermally agile film extrusion die | IKV-Aachen<\/title>\n<meta name=\"description\" content=\"Ziel ist es, durch gezielte Leichtbauans\u00e4tze die Masse, Flie\u00dfwege und thermischen R\u00fcstzeiten von Werkzeugen zu reduzieren, um die Effizienz in der Folienproduktion zu steigern. 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