{"id":1239,"date":"2022-12-05T18:43:02","date_gmt":"2022-12-05T18:43:02","guid":{"rendered":"https:\/\/www.husyca.com\/quest-ce-quune-extrudeuse-plastique\/"},"modified":"2023-07-07T09:14:21","modified_gmt":"2023-07-07T09:14:21","slug":"quest-ce-quune-extrudeuse-plastique","status":"publish","type":"post","link":"https:\/\/www.husyca.com\/fr\/quest-ce-quune-extrudeuse-plastique\/","title":{"rendered":"Qu&#8217;est-ce qu&#8217;une extrudeuse plastique ?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Chez Husyca, nous sommes <strong>fournisseurs de fabricants de plastique qui ont des extrudeuses<\/strong>. L&#8217;<strong>extrusion de mati\u00e8res<\/strong> plastiques est un processus continu de fabrication \u00e0 grande \u00e9chelle dans lequel un mat\u00e9riau thermoplastique, sous forme de poudre, de pellets ou de granul\u00e9s, est fondu de mani\u00e8re homog\u00e8ne et est ensuite forc\u00e9 \u00e0 sortir de la matrice de formage par pression. <\/p>\n\n<p class=\"wp-block-paragraph\">Dans l&#8217;<strong>extrusion par vis,<\/strong> la pression provient de la rotation de la vis contre la paroi du cam\u00e9ra. Lorsque le plastique fondu traverse la fili\u00e8re, il prend la forme du trou de la fili\u00e8re et sort de l&#8217;extrudeuse. Le <strong>produit extrud\u00e9<\/strong> est appel\u00e9 un extrudat.<\/p>\n\n<h2 class=\"wp-block-heading\">Une extrudeuse typique se compose de quatre zones<\/h2>\n\n<h3 class=\"wp-block-heading\">zone d&#8217;alimentation<\/h3>\n\n<p class=\"wp-block-paragraph\">Dans cette zone, la profondeur de passage est constante. La distance entre le grand diam\u00e8tre en haut de l&#8217;h\u00e9lice et le petit diam\u00e8tre de le vis en bas de l&#8217;h\u00e9lice est la profondeur de l&#8217;h\u00e9lice.<\/p>\n\n<h3 class=\"wp-block-heading\">Zone de transition ou de compression<\/h3>\n\n<p class=\"wp-block-paragraph\">Dans cette zone, la profondeur de passage commence \u00e0 diminuer. En effet, la mati\u00e8re thermoplastique est comprim\u00e9e et commence \u00e0 se plastifier.<\/p>\n\n<h3 class=\"wp-block-heading\">zone de m\u00e9lange<\/h3>\n\n<p class=\"wp-block-paragraph\">Dans cette zone, la profondeur du vol est \u00e0 nouveau constante. Pour s&#8217;assurer que le mat\u00e9riau est compl\u00e8tement fondu et m\u00e9lang\u00e9 uniform\u00e9ment, il peut y avoir un \u00e9l\u00e9ment de m\u00e9lange sp\u00e9cial.<\/p>\n\n<h3 class=\"wp-block-heading\">zone de dosage<\/h3>\n\n<p class=\"wp-block-paragraph\">Cette zone a une profondeur de passage plus faible que la zone de m\u00e9lange, mais elle reste constante. De plus, dans cette zone, la pression pousse la masse fondue \u00e0 travers la matrice de moulage.<\/p>\n\n<h2 class=\"wp-block-heading\">La fusion du m\u00e9lange de polym\u00e8res est due \u00e0 trois facteurs principaux<\/h2>\n\n<h3 class=\"wp-block-heading\">Transfert de chaleur<\/h3>\n\n<p class=\"wp-block-paragraph\">Le transfert de chaleur est l&#8217;\u00e9nergie transf\u00e9r\u00e9e du <strong>moteur de l&#8217;extrudeuse<\/strong> \u00e0 l&#8217;arbre de l&#8217;extrudeuse. De plus, la fusion du polym\u00e8re est affect\u00e9e par le profil de la vis et le temps de s\u00e9jour.<\/p>\n\n<h3 class=\"wp-block-heading\">Friction<\/h3>\n\n<p class=\"wp-block-paragraph\">Il est produit par le frottement interne de la poudre, le profil de la vis, la vitesse de la vis et l&#8217;avance.<\/p>\n\n<h3 class=\"wp-block-heading\">Cam\u00e9ra d&#8217;extrudeuse<\/h3>\n\n<p class=\"wp-block-paragraph\">Trois contr\u00f4leurs de temp\u00e9rature ind\u00e9pendants ou plus sont utilis\u00e9s pour maintenir la temp\u00e9rature de les cam\u00e9ras.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chez Husyca, nous sommes fournisseurs de fabricants de plastique qui ont des extrudeuses. L&#8217;extrusion de mati\u00e8res plastiques est un processus continu de fabrication \u00e0 grande \u00e9chelle dans lequel un mat\u00e9riau thermoplastique, sous forme de poudre, de pellets ou de granul\u00e9s, est fondu de mani\u00e8re homog\u00e8ne et est ensuite forc\u00e9 \u00e0 sortir de la matrice de [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":959,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1239","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu&#039;est-ce qu&#039;une extrudeuse plastique ? - Husyca S.A. Husillos y camaras en Barcelona<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.husyca.com\/fr\/quest-ce-quune-extrudeuse-plastique\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu&#039;est-ce qu&#039;une extrudeuse plastique ? - Husyca S.A. Husillos y camaras en Barcelona\" \/>\n<meta property=\"og:description\" content=\"Chez Husyca, nous sommes fournisseurs de fabricants de plastique qui ont des extrudeuses. L&#8217;extrusion de mati\u00e8res plastiques est un processus continu de fabrication \u00e0 grande \u00e9chelle dans lequel un mat\u00e9riau thermoplastique, sous forme de poudre, de pellets ou de granul\u00e9s, est fondu de mani\u00e8re homog\u00e8ne et est ensuite forc\u00e9 \u00e0 sortir de la matrice de [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.husyca.com\/fr\/quest-ce-quune-extrudeuse-plastique\/\" \/>\n<meta property=\"og:site_name\" content=\"Husyca S.A. 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