{"id":8473,"date":"2021-04-21T06:48:18","date_gmt":"2021-04-21T06:48:18","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8473"},"modified":"2021-04-21T06:48:18","modified_gmt":"2021-04-21T06:48:18","slug":"aluminum-continuous-casting-nozzle","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminum-continuous-casting-nozzle\/","title":{"rendered":"Bocal para fundi\u00e7\u00e3o cont\u00ednua de alum\u00ednio"},"content":{"rendered":"

O bico de fundi\u00e7\u00e3o cont\u00ednua de alum\u00ednio \u00e9 adequado para uso na fundi\u00e7\u00e3o cont\u00ednua de metais, como ligas de alum\u00ednio. Mais especificamente, ele \u00e9 utilizado como um componente que fornece a liga fundida a um molde m\u00f3vel a partir de um distribuidor em um sistema de fundi\u00e7\u00e3o cont\u00ednua. Ao realizar a fundi\u00e7\u00e3o cont\u00ednua utilizando a ponta de fundi\u00e7\u00e3o e o bico, \u00e9 poss\u00edvel obter uma pe\u00e7a fundida de liga com comprimento praticamente infinito. Em particular, o uso do bico de fundi\u00e7\u00e3o permite prevenir eficazmente o vazamento do l\u00edquido fundido e obter uma liga fundida com qualidade de superf\u00edcie superior.<\/p>\n

Um exemplo da composi\u00e7\u00e3o de um sistema de lingotamento cont\u00ednuo inclui um forno de fus\u00e3o para derreter o metal e transform\u00e1-lo em liga l\u00edquida, um tundish<\/a> para armazenar temporariamente a liga fundida fornecida pelo forno de fus\u00e3o, um lavagem por transfer\u00eancia<\/a> disposto entre o forno de fus\u00e3o e o distribuidor, e um molde m\u00f3vel para a fundi\u00e7\u00e3o da liga fundida fornecida pelo distribuidor.<\/p>\n

\"Temperatura<\/p>\n

O bico de fundi\u00e7\u00e3o pode ser disposto de forma que uma de suas extremidades seja fixada ao distribuidor, com a outra extremidade (ponta) posicionada em contato com o molde m\u00f3vel. Al\u00e9m disso, a fim de impedir de forma mais eficaz que a liga fundida vaze por um interst\u00edcio entre a ponta da borda perif\u00e9rica externa do bico e o molde m\u00f3vel, pode-se prever uma cavidade no bico nas proximidades da ponta e do pr\u00f3prio bico.<\/p>\n

Nesses moldes m\u00f3veis que utilizam um rolo e uma correia, \u00e9 poss\u00edvel manter facilmente a superf\u00edcie da liga fundida lisa e plana, pois a temperatura do molde pode ser facilmente mantida constante e porque a superf\u00edcie que entra em contato com a liga fundida aparece continuamente.<\/p>\n

Bocal de fundi\u00e7\u00e3o para fundi\u00e7\u00e3o de alum\u00ednio<\/a> \u00c9 poss\u00edvel obter uma liga fundida com qualidade de superf\u00edcie superior, principalmente porque a ponta do bico possui condutividade t\u00e9rmica superior, o que resulta em uma redu\u00e7\u00e3o do desvio de temperatura do l\u00edquido da liga fundida na dire\u00e7\u00e3o da largura da se\u00e7\u00e3o transversal, permitindo assim uma solidifica\u00e7\u00e3o uniforme.<\/p>\n

\"Bocal<\/p>\n

Da mesma forma, quando a fundi\u00e7\u00e3o cont\u00ednua de alum\u00ednio \u00e9 realizada utilizando um bico de fundi\u00e7\u00e3o, como a ponta do bico possui alta resist\u00eancia e excelente deformabilidade el\u00e1stica, ela pode ser posicionada de modo a entrar em contato com um molde m\u00f3vel antes da fundi\u00e7\u00e3o, o que permite reduzir o interst\u00edcio entre a ponta da borda perif\u00e9rica externa do bico e o molde m\u00f3vel. Assim, mesmo que o molde m\u00f3vel se desloque durante a fundi\u00e7\u00e3o, o espa\u00e7o entre a ponta do bico e o molde m\u00f3vel pode ser mantido pequeno. Portanto, \u00e9 poss\u00edvel evitar o vazamento do metal fundido e reduzir a velocidade de fundi\u00e7\u00e3o de modo a impedir a ocorr\u00eancia de trincas longitudinais.<\/p>\n

Assim, \u00e9 poss\u00edvel obter uma liga fundida com qualidade superficial superior utilizando um bocal de fundi\u00e7\u00e3o cont\u00ednua de alum\u00ednio no processo de fundi\u00e7\u00e3o cont\u00ednua.<\/p>","protected":false},"excerpt":{"rendered":"

Aluminum continuous casting nozzle is suitable for use in the continuous casting of metals such as aluminum alloy. More specifically, it is used as a…<\/p>","protected":false},"author":1,"featured_media":8476,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-8473","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nAluminum Continuous Casting Nozzle -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"Aluminum cast alloy having superior surface quality can be obtained by using an aluminum continuous casting nozzle in continuous casting.\" \/>\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\/pt\/aluminum-continuous-casting-nozzle\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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