{"id":9499,"date":"2021-07-09T01:36:25","date_gmt":"2021-07-09T01:36:25","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9499"},"modified":"2021-07-09T01:36:25","modified_gmt":"2021-07-09T01:36:25","slug":"casting-tip-nozzle","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/casting-tip-nozzle\/","title":{"rendered":"Buse de coul\u00e9e"},"content":{"rendered":"

Dans le processus de fabrication des t\u00f4les lamin\u00e9es \u00e0 chaud en aluminium et en alliages d'aluminium, la dur\u00e9e de vie de la buse d'extrusion a une incidence directe sur le rendement et la qualit\u00e9 des t\u00f4les lamin\u00e9es \u00e0 chaud. La dur\u00e9e de vie de la pointe de coul\u00e9e et de la buse (buse d'alimentation) a un impact consid\u00e9rable sur la production de plaques coul\u00e9es-lamin\u00e9es. Il est n\u00e9cessaire de mener des analyses et des recherches syst\u00e9matiques \u00e0 ce sujet afin de d\u00e9terminer des mesures efficaces pour am\u00e9liorer la dur\u00e9e de vie de la buse d'alimentation.<\/p>\n

Les principaux facteurs influant sur la dur\u00e9e de vie de la buse d'alimentation en t\u00f4les lamin\u00e9es moul\u00e9es sont les suivants :<\/strong><\/p>\n

\u2460 Stabilit\u00e9 de l'approvisionnement en aluminium liquide.
\n\u2461 La qualit\u00e9 des mat\u00e9riaux et la qualit\u00e9 d'assemblage de la buse d'alimentation.
\n\u2462 Qualit\u00e9 de la mati\u00e8re fondue.
\n\u2463 Longueur de la zone de coul\u00e9e et de laminage.
\n\u2464 La temp\u00e9rature du bo\u00eetier avant.
\n\u2465 Vitesse de laminage \u00e0 chaud.
\n\u2466 Temp\u00e9rature et pression de l'eau de refroidissement.
\n\u2467 Nettoyage de la surface du rouleau.
\n\u2468 Les sp\u00e9cifications relatives au fonctionnement des \u00e9quipements et \u00e0 la production ont \u00e9t\u00e9 modifi\u00e9es.<\/p>\n

Bien que de nombreux facteurs influent sur la dur\u00e9e de vie de la buse d'injection, ceux-ci peuvent, dans la pratique industrielle, \u00eatre regroup\u00e9s en deux cat\u00e9gories : d'une part, la qualit\u00e9 interne et la qualit\u00e9 d'assemblage de la buse d'alimentation, et d'autre part, le choix et le contr\u00f4le des param\u00e8tres de processus.<\/p>\n

\"Conseils<\/p>\n

Le mat\u00e9riau du buse d'alimentation<\/a> Il doit pr\u00e9senter des performances de traitement \u00e9lev\u00e9es, une bonne mouillabilit\u00e9 de l'aluminium fondu, une bonne souplesse et une bonne conductivit\u00e9 \u00e0 haute temp\u00e9rature, etc. La buse d'alimentation adopte une structure plus adapt\u00e9e, et l'essentiel r\u00e9side dans la mani\u00e8re de garantir la qualit\u00e9 de l'assemblage.<\/p>\n

Si le bain fondu contient trop de gaz et de scories, cela nuit au bon d\u00e9roulement des op\u00e9rations de coul\u00e9e et de laminage et, dans les cas les plus graves, peut entra\u00eener la rupture de la buse d'alimentation. L'affinage est utilis\u00e9 dans le four statique pour affiner le bain d'aluminium fondu en fonction de la quantit\u00e9 utilis\u00e9e. Parall\u00e8lement, cette op\u00e9ration est effectu\u00e9e en continu dans la goulotte d'affinage \u00e0 l'ext\u00e9rieur du four afin d'\u00e9liminer l'hydrog\u00e8ne. Veillez \u00e0 ce que la teneur en hydrog\u00e8ne de la masse fondue entrant dans la bo\u00eete avant soit inf\u00e9rieure \u00e0 0,15 ml\/100 g d'Al. Apr\u00e8s l'affinage dans le four avec agents de raffinage<\/a>, laissez reposer le temps que les scories s'\u00e9liminent, puis saupoudrez d'une couche d'agent de recouvrement.<\/p>\n

La temp\u00e9rature de la caisse d'alimentation est r\u00e9gul\u00e9e, les temp\u00e9ratures de coul\u00e9e et de laminage sont surveill\u00e9es et contr\u00f4l\u00e9es en continu, et le tableau de bord est utilis\u00e9 pour analyser de mani\u00e8re dynamique les variations de temp\u00e9rature, ce qui permet de d\u00e9tecter les probl\u00e8mes et de les r\u00e9soudre \u00e0 temps.<\/p>","protected":false},"excerpt":{"rendered":"

In the production process of aluminum and aluminum alloy cast-rolled plates, the life of the casting tip nozzle directly affects the output and quality of…<\/p>","protected":false},"author":1,"featured_media":9500,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9499","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nCasting Tip Nozzle Used for Aluminum Alloy Cast-rolled Plates<\/title>\n<meta name=\"description\" content=\"In the production process of aluminum and aluminum alloy cast-rolled plates, the casting tip nozzle directly affects the cast-rolled plates.\" \/>\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-nozzle\/\" \/>\n<meta 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