{"id":8251,"date":"2021-03-31T04:00:36","date_gmt":"2021-03-31T04:00:36","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8251"},"modified":"2021-03-31T04:00:36","modified_gmt":"2021-03-31T04:00:36","slug":"aluminum-casting-tips","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/aluminum-casting-tips\/","title":{"rendered":"Conseils pour le moulage de l'aluminium"},"content":{"rendered":"

Les buses de coul\u00e9e en aluminium sont utilis\u00e9es dans le m\u00e9canisme d'alimentation des laminoirs de coul\u00e9e et de laminage d'aluminium et d'alliages d'aluminium. Elles ont pour fonction d'acheminer l'aluminium liquide vers l'interstice entre deux cylindres de coul\u00e9e. Le cylindre rotatif fait office de cristallisoir et lamine simultan\u00e9ment l'aluminium cristallis\u00e9.<\/p>\n

Le proc\u00e9d\u00e9 de laminage en continu de l'installation de coul\u00e9e et de laminage en continu consiste \u00e0 introduire en continu du m\u00e9tal liquide entre les interstices de deux cylindres tournant l'un par rapport \u00e0 l'autre et refroidis par de l'eau, puis \u00e0 extraire en continu la billette enroul\u00e9e apr\u00e8s refroidissement et coul\u00e9e en continu.<\/p>\n

Caract\u00e9ristiques du proc\u00e9d\u00e9 de coul\u00e9e et de laminage en continu \u00e0 deux cylindres
\n1. Mettre en place une production continue de coul\u00e9e et de laminage, supprimer les \u00e9tapes de coul\u00e9e en lingots et de laminage \u00e0 chaud, et r\u00e9duire les co\u00fbts.
\n2. L'\u00e9quipement est simple, la superficie est r\u00e9duite, l'investissement est modeste et la construction est rapide.
\n3. Un processus simple et un entretien ais\u00e9.<\/p>\n

Le zone de coul\u00e9e-laminage<\/a> d\u00e9signe la zone situ\u00e9e entre l'axe central des deux cylindres (\u00e9galement appel\u00e9 \u00ab axe central des cylindres \u00bb) et le bord d'attaque de la t\u00eate de coul\u00e9e en aluminium. La longueur de la zone de laminage \u00e0 chaud est d\u00e9termin\u00e9e avant le d\u00e9but du laminage. Elle d\u00e9pend de l'\u00e9paisseur de la t\u00f4le lamin\u00e9e \u00e0 chaud, du diam\u00e8tre du cylindre, de l'alliage, des performances de l'\u00e9quipement, de la force appliqu\u00e9e et de l'\u00e9paisseur du bord des extr\u00e9mit\u00e9s de la pi\u00e8ce moul\u00e9e en aluminium.<\/p>\n

Dans l'id\u00e9al, la r\u00e9partition thermique du m\u00e9tal liquide sortant des buses de la machine de coul\u00e9e est aussi uniforme que possible sur toute la longueur de la buse. La largeur des buses peut varier entre 0,3 m et 2,5 m.<\/p>\n

L'aluminium en fusion qui sort des buses de coul\u00e9e est g\u00e9n\u00e9ralement le plus chaud au centre et plus froid aux deux extr\u00e9mit\u00e9s de la embout de roulette<\/a>. Les zones plus froides se situent g\u00e9n\u00e9ralement \u00e0 gauche et \u00e0 droite de la zone centrale, entre celle-ci et l'extr\u00e9mit\u00e9 de la buse de coul\u00e9e. Ces diff\u00e9rences de temp\u00e9rature ont une incidence sur l'uniformit\u00e9 du processus de coul\u00e9e et sur la qualit\u00e9 de la bande m\u00e9tallique coul\u00e9e.<\/p>","protected":false},"excerpt":{"rendered":"

The aluminum casting tips are used as a part of the feeding mechanism of aluminum and aluminum alloy casting and rolling mills. The function is…<\/p>","protected":false},"author":1,"featured_media":8252,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-8251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ceramic-fiber-castertip"],"yoast_head":"\nAluminum Casting Tips -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"The aluminum casting tips main function is to supply liquid aluminum to the roll gap between two casting rolls in continuous cast rolling.\" \/>\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\/aluminum-casting-tips\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aluminum 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