{"id":8174,"date":"2016-07-21T03:22:23","date_gmt":"2016-07-21T08:22:23","guid":{"rendered":"https:\/\/www.insta-pro.com\/fr\/?p=8174"},"modified":"2026-01-07T13:10:33","modified_gmt":"2026-01-07T19:10:33","slug":"longueur-du-canal-decoulement-de-la-filiere","status":"publish","type":"post","link":"https:\/\/instapro.spinuhost.com\/fr\/blog\/ingenierie-maintenance\/longueur-du-canal-decoulement-de-la-filiere\/","title":{"rendered":"Longueur du canal d\u2019\u00e9coulement de la fili\u00e8re"},"content":{"rendered":"<p>Lorsqu\u2019il s\u2019agit de produire des granul\u00e9s de qualit\u00e9 destin\u00e9s \u00e0 l\u2019alimentation des poissons et des animaux de compagnie, diff\u00e9rents facteurs sont \u00e0 prendre en compte en ce qui concerne la ma\u00eetrise du produit final fabriqu\u00e9. Au cours du processus de fabrication de nourriture pour animaux domestiques ou poissons, l\u2019une des interactions finales de votre produit a lieu au niveau de la t\u00eate de coupe. Des fili\u00e8res sont utilis\u00e9es pour cr\u00e9er les diverses formes et tailles des produits. La conception de la fili\u00e8re a une grande influence sur le r\u00e9sultat obtenu pour le produit final. La longueur du canal d\u2019\u00e9coulement de la fili\u00e8re repr\u00e9sente un facteur de conception essentiel qui peut affecter la qualit\u00e9 de votre produit final. Cette dimension \u00e0 elle seule peut d\u00e9terminer si vous allez produire un aliment pour poissons flottant ou coulant, ou un granul\u00e9 pour animaux domestiques tr\u00e8s a\u00e9r\u00e9 ou dense.<\/p>\n<p><strong>Qu\u2019est-ce que la longueur du canal d\u2019\u00e9coulement&#160;?<\/strong><\/p>\n<p>La longueur du canal d\u2019\u00e9coulement de la fili\u00e8re est la dimension de la partie rectiligne \u00e0 l\u2019int\u00e9rieur d\u2019une fili\u00e8re. Pour des granul\u00e9s plus denses, cette dimension est plus longue, et pour des granul\u00e9s plus l\u00e9gers, elle est plus courte.<\/p>\n<p><a href=\"https:\/\/www.insta-pro.com\/wp-content\/uploads\/2016\/06\/die-land-length-1024x677.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8139 aligncenter\" src=\"https:\/\/www.insta-pro.com\/wp-content\/uploads\/2016\/06\/die-land-length-1024x677.png\" alt=\"longueur du canal d\u2019\u00e9coulement de la fili\u00e8re\" width=\"440\" height=\"291\" srcset=\"https:\/\/instapro.spinuhost.com\/wp-content\/uploads\/2016\/06\/die-land-length-1024x677.png 1024w, https:\/\/instapro.spinuhost.com\/wp-content\/uploads\/2016\/06\/die-land-length-300x198.png 300w, https:\/\/instapro.spinuhost.com\/wp-content\/uploads\/2016\/06\/die-land-length-768x508.png 768w, https:\/\/instapro.spinuhost.com\/wp-content\/uploads\/2016\/06\/die-land-length-750x496.png 750w, https:\/\/instapro.spinuhost.com\/wp-content\/uploads\/2016\/06\/die-land-length-564x373.png 564w, https:\/\/instapro.spinuhost.com\/wp-content\/uploads\/2016\/06\/die-land-length-940x621.png 940w, https:\/\/instapro.spinuhost.com\/wp-content\/uploads\/2016\/06\/die-land-length.png 1050w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/a><\/p>\n<p>Au cours de l\u2019extrusion, le produit se trouve sous plusieurs livres de pression dans le fourreau. Pendant son passage au travers d\u2019une fili\u00e8re, la pression s\u2019accro\u00eet davantage, jusqu\u2019\u00e0 plusieurs fois la pression atmosph\u00e9rique. Le contact soudain avec l\u2019air ambiant ext\u00e9rieur occasionne une chute de pression importante, ce qui produit une grande dilatation dans le granul\u00e9. C\u2019est vrai en g\u00e9n\u00e9ral, sauf si le granul\u00e9 a eu une longueur suffisante pour se transformer en un produit dense. Si cette pression est subie rapidement (par rapport \u00e0 la g\u00e9om\u00e9trie globale de la fili\u00e8re), le produit final tend \u00e0 gonfler pour donner un granul\u00e9 l\u00e9ger. Toutefois, si le produit est forc\u00e9 \u00e0 travers une fili\u00e8re pendant une dur\u00e9e importante (par rapport \u00e0 la g\u00e9om\u00e9trie globale de la fili\u00e8re), le produit final se dilatera peu et donnera un granul\u00e9 dense.<\/p>\n<p><strong>Application<\/strong><\/p>\n<p>Le fait de savoir comment la longueur du canal d\u2019\u00e9coulement affecte le produit final peut vous aider dans votre production et sera des plus b\u00e9n\u00e9fiques pour comprendre ce qui se passe si vous ne produisez pas le granul\u00e9 final recherch\u00e9. Si vos granul\u00e9s doivent flotter et ne le font pas, il se peut que la longueur du canal d\u2019\u00e9coulement soit trop importante. Par contre, si vous devez maximiser la densit\u00e9 des granul\u00e9s et que vous n\u2019y arrivez pas, votre canal d\u2019\u00e9coulement est peut-\u00eatre trop court. Cela peut aussi \u00eatre en lien avec le nombre de fili\u00e8res sur la plaque, mais si les temp\u00e9ratures semblent correctes, le canal d\u2019\u00e9coulement pourrait \u00eatre un \u00e9l\u00e9ment \u00e0 examiner. Pour toutes les activit\u00e9s concernant les aliments mis en forme pour animaux, il est essentiel de travailler avec des fournisseurs d\u2019\u00e9quipement qui connaissent bien la conception des fili\u00e8res pour optimiser votre produit final. Pour les clients Insta-Pro, notre \u00e9quipe technique sera heureuse de vous aider si vous avez besoin d\u2019aide au sujet du d\u00e9veloppement des fili\u00e8res.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lorsqu\u2019il s\u2019agit de produire des granul\u00e9s de qualit\u00e9 destin\u00e9s \u00e0 l\u2019alimentation des poissons et des animaux de compagnie, diff\u00e9rents facteurs sont \u00e0 prendre en compte en ce qui concerne la ma\u00eetrise du produit final fabriqu\u00e9. Au cours du processus de fabrication de nourriture pour animaux domestiques ou poissons, l\u2019une des interactions finales de votre produit [&hellip;]<\/p>\n","protected":false},"author":68,"featured_media":10560,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7177],"tags":[5695,1496,5696,575,1495],"class_list":["post-8174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ingenierie-maintenance","tag-aliments-pour-animaux-de-compagnie","tag-aliments-pour-animaux-mis-en-forme","tag-aliments-pour-poissons","tag-extrusion-a-cisaillement-moyen-fr-3","tag-longueur-du-canal-decoulement-de-la-filiere"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Longueur du canal d\u2019\u00e9coulement de la fili\u00e8re 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