{"id":4995,"date":"2020-09-24T03:20:15","date_gmt":"2020-09-24T03:20:15","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=4995"},"modified":"2020-09-24T03:20:15","modified_gmt":"2020-09-24T03:20:15","slug":"liquid-level-on-front-box","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/liquid-level-on-front-box\/","title":{"rendered":"Niveau de liquide dans le bo\u00eetier avant"},"content":{"rendered":"

Influence du niveau du liquide dans le caisson avant lors de la mise en place : lors de la mise en place de la dalle, si le niveau du liquide dans le caisson avant est trop bas, la pression statique exerc\u00e9e par le m\u00e9tal dans ce caisson est tr\u00e8s faible, ce qui rend difficile le passage \u00e0 travers le barrage d'\u00e9tranglement situ\u00e9 dans le cavit\u00e9 de la buse<\/a>, et cela prend beaucoup de temps ; de plus, le produit a tendance \u00e0 se solidifier dans la cavit\u00e9 buccale, ce qui entra\u00eene la d\u00e9faillance de la plaque verticale.<\/p>\n

Lorsque le niveau de liquide sur bo\u00eete avant<\/a> La hauteur de la plaque verticale est faible, en raison de la faible pression statique, le m\u00e9tal reste longtemps dans le barrage d'\u00e9tranglement, ce qui entra\u00eene une mauvaise fluidit\u00e9 du m\u00e9tal, une r\u00e9partition in\u00e9gale de la temp\u00e9rature du m\u00e9tal dans la cavit\u00e9 d'entr\u00e9e, un scories plus fines et la formation facile, \u00e0 l'extr\u00e9mit\u00e9 avant de la cavit\u00e9 d'entr\u00e9e, de petites scories, produisant des stries tissulaires et des stries longitudinales.<\/p>\n

\"Niveau<\/p>\n

Veillez \u00e0 augmenter correctement le niveau de liquide du r\u00e9servoir avant lorsque la plaque verticale est relev\u00e9e. En principe, plus le niveau de liquide du r\u00e9servoir avant est \u00e9lev\u00e9, plus le niveau de liquide dans le r\u00e9servoir avant est \u00e9lev\u00e9, \u00e0 condition que le film d\u2019oxyde situ\u00e9 entre l\u2019\u00e9cartement de la buse et du rouleau ne soit pas endommag\u00e9. En effet, le m\u00e9tal en fusion pr\u00e9sent dans la cavit\u00e9 de coul\u00e9e exerce une forte pression sur la surface cristalline, ce qui permet non seulement d\u2019assurer la continuit\u00e9 du m\u00e9tal et d\u2019obtenir une structure dense, mais aussi d\u2019augmenter la pression statique. Pendant le processus d\u2019\u00e9coulement des scories, la cavit\u00e9 de la bouche de coul\u00e9e peut \u00eatre remplie en une seule fois. L\u2019augmentation de la vitesse d\u2019\u00e9coulement du m\u00e9tal rend la r\u00e9partition de la temp\u00e9rature du m\u00e9tal dans la cavit\u00e9 de coul\u00e9e plus uniforme et r\u00e9duit la formation de petits scories dans cette cavit\u00e9 ainsi que le risque de s\u00e9gr\u00e9gation \u00e0 la surface des composants. Par cons\u00e9quent, la surface de la t\u00f4le coul\u00e9e-lamin\u00e9e pr\u00e9sente rarement des stries structurelles ou des stries longitudinales apr\u00e8s laminage.<\/p>\n

Lors de la coul\u00e9e de la dalle, le niveau de l'aluminium en fusion dans le ch\u00e2ssis avant est trop \u00e9lev\u00e9, ce qui entra\u00eene un d\u00e9bordement de l'aluminium en fusion et sa solidification \u00e0 partir des bords des oreilles des deux c\u00f4t\u00e9s ; les oreilles se d\u00e9veloppent alors, ce qui provoque un \u00e9largissement excessif de la dalle coul\u00e9e et l'apparition de fissures.<\/p>","protected":false},"excerpt":{"rendered":"

The influence of the height of the liquid level on front box when erecting: When erecting the slab, the liquid level of the front box…<\/p>","protected":false},"author":1,"featured_media":5016,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-4995","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nLiquid Level on Front Box Influence in Aluminum Casting and Rolling<\/title>\n<meta name=\"description\" content=\"The influence of the height of the liquid level on front box: When erecting the slab, the liquid level of the front box is too low.\" \/>\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\/liquid-level-on-front-box\/\" \/>\n<meta property=\"og:locale\" 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