{"id":9401,"date":"2021-07-01T07:57:39","date_gmt":"2021-07-01T07:57:39","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9401"},"modified":"2021-06-30T08:05:46","modified_gmt":"2021-06-30T08:05:46","slug":"distribution-tip","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/distribution-tip\/","title":{"rendered":"Conseil de distribution"},"content":{"rendered":"<p>La buse de distribution est un \u00e9l\u00e9ment cl\u00e9 de la production de bandes lamin\u00e9es par coul\u00e9e continue. Le choix d'une buse d'alimentation de coul\u00e9e continue de conception appropri\u00e9e permet d'am\u00e9liorer l'\u00e9coulement partiel, de sorte que la vitesse du m\u00e9tal s'\u00e9coulant hors de la section transversale \u00e0 la sortie de la buse d'alimentation reste constante et que la temp\u00e9rature soit maintenue uniforme. La buse de distribution et l\u2019embout de la machine de coul\u00e9e peuvent am\u00e9liorer la qualit\u00e9 de surface de la t\u00f4le lamin\u00e9e \u00e0 chaud et r\u00e9duire les d\u00e9fauts, tels que les stries longitudinales, les stries structurelles, les traces de nettoyage et les traces de calamine, qui affectent la qualit\u00e9 de surface de la feuille d\u2019aluminium.<\/p>\n<p>Les utilisateurs ont des exigences de plus en plus \u00e9lev\u00e9es en mati\u00e8re de qualit\u00e9 et de r\u00e9gularit\u00e9 de surface de la feuille d'aluminium, ce qui impose des exigences accrues quant \u00e0 la qualit\u00e9 de surface de la bande coul\u00e9e-lamin\u00e9e. La qualit\u00e9 de surface de la bande lamin\u00e9e \u00e0 chaud est l\u2019un des facteurs cl\u00e9s qui influent sur la qualit\u00e9 de surface de la feuille d\u2019aluminium finie. Afin d\u2019obtenir une bonne qualit\u00e9 de surface de la bande lamin\u00e9e \u00e0 chaud, il est non seulement n\u00e9cessaire d\u2019ajuster et de contr\u00f4ler rigoureusement les param\u00e8tres de processus, mais les \u00e9quipements et les composants jouent \u00e9galement un r\u00f4le tr\u00e8s important.<\/p>\n<p>L'embout de distribution de coul\u00e9e pour bande lamin\u00e9e comprend un \u00e9ventail de buses, un bloc de d\u00e9rivation et des oreilles. Il y a deux oreilles, dispos\u00e9es respectivement \u00e0 gauche et \u00e0 droite de l'\u00e9ventail de buses ; les oreilles et l'\u00e9ventail de buses d\u00e9limitent la cavit\u00e9 d'entr\u00e9e de la buse de coul\u00e9e-laminage. Il y a plusieurs blocs de d\u00e9rivation, qui sont r\u00e9partis uniform\u00e9ment dans la cavit\u00e9 d'entr\u00e9e en formant un arc le long de la largeur du ventilateur d'entr\u00e9e.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9403\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/06\/Distribution-Tip.jpg\" alt=\"Conseil de distribution\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/06\/Distribution-Tip.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/06\/Distribution-Tip-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Le bloc de d\u00e9rivation r\u00e9duit la r\u00e9sistance de d\u00e9rivation. D\u2019une part, il agrandit la zone de confluence et s\u2019\u00e9tend pleinement vers les deux extr\u00e9mit\u00e9s, mais ne peut pas prendre d\u2019autres formes. Lorsque la confluence se produit, il n\u2019y a pas de r\u00e9sistance tangentielle ni de ph\u00e9nom\u00e8ne de vortex dans la cavit\u00e9 ; il n\u2019y a donc pas de d\u00e9fauts li\u00e9s \u00e0 la formation de scories ou au refroidissement, tels que des bords irr\u00e9guliers, des bords r\u00e9tr\u00e9cis, des bandes cach\u00e9es, des poches d\u2019air et des \u00e9caillages.<\/p>\n<p>Le mat\u00e9riau du <a href=\"http:\/\/www.alalloycasting.com\/fr\/casting-tip-and-nozzle\/\">pointe de coul\u00e9e et buse<\/a> Il est moul\u00e9 \u00e0 partir de feutre de silicate d'aluminium et de nitrure de bore. Il pr\u00e9sente les caract\u00e9ristiques suivantes : bonnes performances d'isolation thermique, bonne r\u00e9sistance aux hautes temp\u00e9ratures, faible coefficient de dilatation thermique, absence de r\u00e9action chimique avec le m\u00e9tal liquide, ainsi qu'absence de bulles d'air et de scories oxyd\u00e9es.<\/p>","protected":false},"excerpt":{"rendered":"<p>The distribution tip is a key component of caster rolling strip production. The selection of a reasonably designed caster rolling feed nozzle can improve the&hellip;<\/p>","protected":false},"author":1,"featured_media":9402,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9401","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>Distribution Tip for Caster Rolling Strip -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"The distribution tip is a key component of caster rolling strip production. 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