{"id":12324,"date":"2022-01-18T08:44:35","date_gmt":"2022-01-18T08:44:35","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=12324"},"modified":"2022-01-18T08:44:35","modified_gmt":"2022-01-18T08:44:35","slug":"caster-nozzle","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/caster-nozzle\/","title":{"rendered":"Buse \u00e0 roulettes"},"content":{"rendered":"<p>La buse de coul\u00e9e est utilis\u00e9e pour la cristallisation et le contr\u00f4le des dimensions des \u00e9bauches de t\u00f4les, bandes et feuilles d'aluminium sur les lignes de production de coul\u00e9e et de laminage.<\/p>\n<p>La buse de coul\u00e9e est un \u00e9l\u00e9ment essentiel du transport de l'aluminium fondu dans la production de pi\u00e8ces moul\u00e9es et lamin\u00e9es en alliage d'aluminium. La structure de la buse influe directement sur la capacit\u00e9 du m\u00e9tal en fusion \u00e0 s'\u00e9couler de mani\u00e8re uniforme et stable depuis la cavit\u00e9 de la buse vers la zone de moulage et de laminage, ce qui a donc un impact sur la qualit\u00e9 de la t\u00f4le. Par cons\u00e9quent, la structure de la buse joue un r\u00f4le essentiel dans la stabilisation des processus de coul\u00e9e et de laminage, ainsi que dans l'am\u00e9lioration de la qualit\u00e9 du produit.<\/p>\n<p><strong>Processus de fabrication des buses de coul\u00e9e<\/strong><\/p>\n<p>1. Laver le coton pour \u00e9liminer les boules de scories ;<br \/>\n2. S\u00e9chez le coton propre ;<br \/>\n3. Verser le coton et plusieurs autres mat\u00e9riaux dans le m\u00e9langeur de la presse \u00e0 aspiration sous vide selon les proportions indiqu\u00e9es, puis m\u00e9langer uniform\u00e9ment ;<br \/>\n4. Verser la p\u00e2te dans le ch\u00e2ssis de moulage de la presse \u00e0 aspiration sous vide, puis proc\u00e9der au pressage par aspiration afin que le corps vert atteigne une certaine \u00e9paisseur ;<br \/>\n5. Placer l'\u00e9bauche entre deux plaques de serrage en fonte (poids d'une plaque de serrage : 300 kg chacune) ;<br \/>\n6. Accrocher la plaque de fixation avec l'\u00e9bauche dans la presse hydraulique du dispositif de fixation de la buse de coul\u00e9e pour le pressage, de mani\u00e8re \u00e0 ce que l'\u00e9bauche atteigne une \u00e9paisseur d\u00e9finie, puis verrouiller et fixer la plaque de fixation et l'\u00e9bauche \u00e0 l'aide d'une boucle ;<br \/>\n7. La plaque de fixation verrouill\u00e9e (avec l'\u00e9bauche) est cuite dans le four ;<br \/>\n8. La plaque de buse cuite peut \u00eatre usin\u00e9e afin d'obtenir des produits r\u00e9pondant aux exigences des clients.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-12327\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2022\/01\/Caster-Nozzle.jpg\" alt=\"Buse \u00e0 roulettes\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2022\/01\/Caster-Nozzle.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2022\/01\/Caster-Nozzle-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Le <a href=\"http:\/\/www.alalloycasting.com\/fr\/aluminum-casting-tip\/\">Conseil sur la coul\u00e9e d'aluminium<\/a> Il est situ\u00e9 devant les cylindres de l'installation de laminage de l'alliage d'aluminium afin de guider l'alliage d'aluminium. L'aluminium liquide p\u00e9n\u00e8tre dans l'orifice de coul\u00e9e par l'orifice d'alimentation situ\u00e9 \u00e0 l'extr\u00e9mit\u00e9 arri\u00e8re, puis est \u00e9vacu\u00e9 par l'orifice de sortie situ\u00e9 \u00e0 l'extr\u00e9mit\u00e9 avant ; il p\u00e9n\u00e8tre alors dans les cylindres, o\u00f9 il se refroidit, avant d'\u00eatre lamin\u00e9 en une billette.<\/p>\n<p>En r\u00e8gle g\u00e9n\u00e9rale, la largeur de la billette coul\u00e9e est d\u00e9termin\u00e9e par la largeur de sortie de la buse. Afin d'am\u00e9liorer le taux d'utilisation des \u00e9quipements et de r\u00e9duire les co\u00fbts d'exploitation, la largeur des plaques produites par les \u00e9quipements classiques de coul\u00e9e et de laminage est relativement importante, atteignant g\u00e9n\u00e9ralement 1 450 mm \u00e0 1 600 mm.<\/p>\n<p>Pour les billettes d'acier lamin\u00e9es \u00e0 chaud d'une largeur inf\u00e9rieure \u00e0 800 mm, le recours \u00e0 une structure d'\u00e9quipement et \u00e0 une m\u00e9thode de production traditionnelles entra\u00eene une baisse du rendement unitaire.<\/p>\n<div class=\"su-youtube su-u-responsive-media-yes\"><iframe loading=\"lazy\" width=\"600\" height=\"400\" src=\"https:\/\/www.youtube.com\/embed\/Um90Bmi1m8o?\" frameborder=\"0\" allowfullscreen allow=\"autoplay; encrypted-media; picture-in-picture\" title=\"\"><\/iframe><\/div>","protected":false},"excerpt":{"rendered":"<p>Caster nozzle is used for crystallization forming and size control of aluminum sheet, strip and foil blank in casting and rolling production line. Caster nozzle&hellip;<\/p>","protected":false},"author":1,"featured_media":12327,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-12324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Caster Nozzle used in Aluminum Alloy Casting and Rolling<\/title>\n<meta name=\"description\" content=\"Caster nozzle is used for crystallization forming and size control of aluminum sheet, strip and foil in casting and rolling production line.\" \/>\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.alalloycasting.com\/fr\/caster-nozzle\/\" \/>\n<meta property=\"og:locale\" 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