{"id":8582,"date":"2021-04-28T03:42:24","date_gmt":"2021-04-28T03:42:24","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8582"},"modified":"2021-04-28T03:42:24","modified_gmt":"2021-04-28T03:42:24","slug":"molten-metal-flow-controllers","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/molten-metal-flow-controllers\/","title":{"rendered":"Controladores de fluxo de metal fundido"},"content":{"rendered":"<p>Os controladores de fluxo de metal fundido podem ser utilizados em conjunto com bicos e pontas, sendo que a ponta possui laterais substancialmente retas, que, de prefer\u00eancia, s\u00e3o divergentes. Al\u00e9m disso, os controladores de fluxo de metal fundido podem ser utilizados em conjunto com paredes laterais, sendo que as paredes superior e inferior s\u00e3o substancialmente retas, mas divergem ap\u00f3s os controladores de fluxo. Proporcionar velocidade e perfil t\u00e9rmico uniformes utilizando os controladores de fluxo de metal fundido tem a vantagem de produzir placas, particularmente placas de alum\u00ednio substancialmente livres de estrias superficiais ou defeitos superficiais.<\/p>\n<p>O material para a fabrica\u00e7\u00e3o de <a href=\"http:\/\/www.alalloycasting.com\/pt\/feed-tip-and-nozzle\/\">ponta do bico<\/a> \u00e9 um material adequado para entrar em contato com metal fundido e que \u00e9 resistente \u00e0 dissolu\u00e7\u00e3o ou \u00e0 eros\u00e3o causada pelo metal fundido.<\/p>\n<p>O n\u00edvel do metal fundido no reservat\u00f3rio \u00e9 mantido por meio de um sistema de controle de n\u00edvel, pelo qual o metal fundido flui atrav\u00e9s de <a href=\"http:\/\/www.alalloycasting.com\/pt\/alumina-porcelain-rod\/\">bico<\/a> da fonte de metal fundido. O controle de n\u00edvel de metal regula a vaz\u00e3o de metal para o reservat\u00f3rio, utilizando uma b\u00f3ia para determinar e controlar o n\u00edvel de metal fundido no reservat\u00f3rio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7947\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/02\/Dynamic-Vertical-Slab.jpg\" alt=\"Laje Vertical Din\u00e2mica\" width=\"400\" height=\"320\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/02\/Dynamic-Vertical-Slab.jpg 400w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/02\/Dynamic-Vertical-Slab-300x240.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>O elemento de ponta serve para fornecer um fluxo de metal fundido do reservat\u00f3rio at\u00e9 o ponto de contato entre um par de rolos e. Esse fluxo de uma fita de metal fundido deve apresentar velocidade e distribui\u00e7\u00e3o de temperatura uniformes em toda a largura do elemento de ponta, que pode variar comercialmente de apenas 36 polegadas at\u00e9 60 polegadas ou mais. Manter tais caracter\u00edsticas de uniformidade no fluxo e na temperatura do metal para larguras de 60 polegadas ou mais tem sido invi\u00e1vel na t\u00e9cnica anterior.<\/p>\n<p>O elemento de ponta \u00e9 composto por uma parede superior e uma parede inferior, sustentadas por elementos de fixa\u00e7\u00e3o da ponta. A parede superior e a parede inferior s\u00e3o unidas por elementos laterais ascendentes, definindo assim uma passagem. Ao tornar os elementos laterais ascendentes convergentes, a separa\u00e7\u00e3o do fluxo e o fluxo reverso ser\u00e3o eliminados pr\u00f3ximo a esses elementos. O canal convergente assim formado proporciona um gradiente de press\u00e3o favor\u00e1vel ao longo das paredes e um fluxo principal acelerado, o que limita o aumento da espessura da camada limite do metal que flui a jusante. Isso reduz ao m\u00ednimo uma das causas da n\u00e3o uniformidade na velocidade do fluxo de metal observada na t\u00e9cnica anterior.<\/p>","protected":false},"excerpt":{"rendered":"<p>Molten metal flow controllers may be used in conjunction with nozzle and tip, and wherein the tip has sides which are substantially straight sides, which&hellip;<\/p>","protected":false},"author":1,"featured_media":8592,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-8582","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>Molten Metal Flow Controllers -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"Molten metal flow controllers may be used in conjunction with nozzle and 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