{"id":8254,"date":"2021-03-31T05:12:27","date_gmt":"2021-03-31T05:12:27","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8254"},"modified":"2021-03-31T05:12:27","modified_gmt":"2021-03-31T05:12:27","slug":"casting-tip-for-foundry","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/casting-tip-for-foundry\/","title":{"rendered":"Conseil de moulage pour la fonderie"},"content":{"rendered":"

La buse de coul\u00e9e utilis\u00e9e en fonderie est un outil essentiel pour la production de pi\u00e8ces moul\u00e9es en aluminium et de pi\u00e8ces lamin\u00e9es. La qualit\u00e9 de la structure de la cloison de s\u00e9paration dans la buse de coul\u00e9e influe directement sur la r\u00e9partition du champ d'\u00e9coulement de l'aluminium fondu et affecte l'uniformit\u00e9 de la cristallisation de celui-ci, ce qui a par cons\u00e9quent une incidence sur la taille des grains de la t\u00f4le moul\u00e9e puis lamin\u00e9e.<\/p>\n

Le embout de roulette<\/a> Dans le domaine des alliages d'aluminium, la fili\u00e8re est situ\u00e9e en amont des cylindres dans l'installation de laminage et sert \u00e0 guider l'alliage d'aluminium.<\/p>\n

L'aluminium fondu p\u00e9n\u00e8tre dans la buse de coul\u00e9e par l'orifice d'alimentation situ\u00e9 \u00e0 l'arri\u00e8re, puis est \u00e9vacu\u00e9 par l'orifice de sortie situ\u00e9 \u00e0 l'avant et entre dans le cylindre, o\u00f9 il est refroidi par celui-ci et lamin\u00e9 pour former une billette coul\u00e9e.<\/p>\n

En r\u00e8gle g\u00e9n\u00e9rale, la largeur de la billette coul\u00e9e-lamin\u00e9e est d\u00e9termin\u00e9e par la largeur de sortie de la buse de coul\u00e9e et de ses embouts. Afin d'optimiser l'utilisation des \u00e9quipements et de r\u00e9duire les co\u00fbts d'exploitation, la largeur des t\u00f4les 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

Pour les billettes lamin\u00e9es \u00e0 chaud d'une largeur inf\u00e9rieure \u00e0 800 mm, le recours \u00e0 des \u00e9quipements et \u00e0 des m\u00e9thodes de production traditionnels entra\u00eene une baisse du rendement unitaire.<\/p>\n

\"\"<\/p>\n

Dubai Aluminum a introduit l'utilisation de \u00ab Casting Tip \u00bb dans le secteur de la fonderie. Le caisse de t\u00eate<\/a> sert de r\u00e9servoir pour att\u00e9nuer les fluctuations de niveau provoqu\u00e9es par le d\u00e9bit du fluide.<\/p>\n

De plus, le grand bac avant est muni d\u2019un trop-plein qui permet de maintenir l\u2019eau \u00e0 un certain niveau et d\u2019assurer un champ d\u2019\u00e9coulement constant au niveau de la buse de coul\u00e9e.<\/p>\n

En effet, dans le coulage \u00e0 double rouleau, une fois que l'aluminium fondu s'\u00e9coule de l'embout du dispositif d'alimentation, il p\u00e9n\u00e8tre directement dans une paire de cavit\u00e9s internes, puis se solidifie et est moul\u00e9 \u00e0 l'aide d'un rouleau de coul\u00e9e dans lequel circule de l'eau de refroidissement. L'aluminium pr\u00e9sent dans la zone de cristallisation et le rouleau de coul\u00e9e ont une influence sur l'aluminium liquide s'\u00e9coulant de la buse du moule de coul\u00e9e.<\/p>\n

Le caisson arri\u00e8re est raccord\u00e9 \u00e0 la sortie de la buse de coul\u00e9e. La hauteur du d\u00e9flecteur arri\u00e8re du caisson d\u00e9passe celle de la buse de coul\u00e9e, ce qui permet non seulement d'obtenir un effet d'amortissement, mais aussi de faire en sorte que le fluide d\u00e9passe l'entr\u00e9e de la buse de coul\u00e9e.<\/p>","protected":false},"excerpt":{"rendered":"

Casting tip for foundry is a very critical tool for the production of aluminum castings and rolled parts. The quality of the splitter structure of…<\/p>","protected":false},"author":1,"featured_media":8255,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-8254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-fiber-castertip"],"yoast_head":"\nCasting Tip for Foundry -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"The casting tip for foundry is located in front of the rolls in the rolling equipment of the aluminum alloy field, used to guide aluminum.\" \/>\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\/casting-tip-for-foundry\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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