{"id":5495,"date":"2020-10-12T07:34:23","date_gmt":"2020-10-12T07:34:23","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5495"},"modified":"2020-10-12T07:34:23","modified_gmt":"2020-10-12T07:34:23","slug":"ceramic-foam-filter-placement","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/ceramic-foam-filter-placement\/","title":{"rendered":"Posicionamento do filtro de espuma cer\u00e2mica"},"content":{"rendered":"

A instala\u00e7\u00e3o do filtro de espuma cer\u00e2mica no sistema de canais \u00e9 o m\u00e9todo ideal para filtrar e purificar o metal l\u00edquido. \u00c9 adequado tanto para pe\u00e7as fundidas de pequeno e m\u00e9dio porte quanto para pe\u00e7as fundidas de grande porte.<\/p>\n

M\u00e9todo de instala\u00e7\u00e3o do filtro de espuma cer\u00e2mica<\/h2>\n

Posicionamento vertical<\/strong><\/p>\n

A esc\u00f3ria do metal fundido tem uma densidade menor e flutua para o interior do saco de esc\u00f3ria, o que proporciona um bom efeito de filtragem. Em compara\u00e7\u00e3o com a coloca\u00e7\u00e3o horizontal, esse tipo de coloca\u00e7\u00e3o do metal fundido apresenta uma vaz\u00e3o mais r\u00e1pida e uma boa capacidade de enchimento. Ao mesmo tempo, a for\u00e7a de impacto do metal fundido sobre o filtro de espuma cer\u00e2mica<\/a> \u00e9 maior. Esse m\u00e9todo de posicionamento \u00e9 melhor do que coloc\u00e1-lo diretamente no fundo do canal de alimenta\u00e7\u00e3o. Em compara\u00e7\u00e3o com o canal de alimenta\u00e7\u00e3o colocado na horizontal, esse posicionamento \u00e9 melhor. O metal fundido n\u00e3o \u00e9 derramado diretamente sobre o filtro, mas a dire\u00e7\u00e3o \u00e9 alterada, e a for\u00e7a de impacto \u00e9 reduzida. A for\u00e7a de impacto sobre o filtro tamb\u00e9m \u00e9 reduzida; quando o canal de alimenta\u00e7\u00e3o \u00e9 colocado sobre um \u00fanico filtro na horizontal, o impacto \u00e9 distribu\u00eddo ao se colocar dois filtros dessa maneira. Esse tipo de posicionamento deve levar em conta a resist\u00eancia ao impacto do filtro e manter uma determinada espessura do filtro de espuma cer\u00e2mica.<\/p>\n

Posicionamento horizontal<\/strong><\/p>\n

O filtro de cer\u00e2mica espumosa \u00e9 posicionado horizontalmente; o enchimento \u00e9 est\u00e1vel; a vaz\u00e3o do metal fundido \u00e9 baixa; o impacto do metal fundido sobre o filtro \u00e9 reduzido; e o filtro \u00e9 mais seguro de se usar. O metal fundido flui a partir do tipo superior, e a esc\u00f3ria do metal fundido, por ter densidade menor, flutua para o interior do saco de esc\u00f3ria, alcan\u00e7ando assim um melhor efeito de filtragem. O teste de simula\u00e7\u00e3o hidr\u00e1ulica mostra que esse m\u00e9todo apresenta o maior coeficiente de intercepta\u00e7\u00e3o. Coloque o filtro horizontalmente na parte sobreposta do canal transversal da linha de divis\u00e3o. Esse m\u00e9todo de posicionamento permite exercer melhor a fun\u00e7\u00e3o de bloqueio de esc\u00f3ria do canal da metade superior, proporcionando melhor efeito de filtragem e facilidade de instala\u00e7\u00e3o.<\/p>\n

\"Posicionamento<\/p>\n

(1) O formato de posicionamento no corredor \u00e9 o que mais recomendamos. Por exemplo, uma f\u00e1brica em Guangxi utiliza esse m\u00e9todo de posicionamento para produzir blocos-cil\u00edndros e cabe\u00e7otes de cilindro fundidos; especialmente quando o filtro original est\u00e1 quebrado, o efeito \u00e9 mais evidente.<\/p>\n

(2) O metal fundido flui a partir do tipo inferior; como a esc\u00f3ria fundida tem densidade menor, ela flutua at\u00e9 a superf\u00edcie do filtro, o que reduz gradualmente a taxa de passagem do metal fundido. Leve esse aspecto em considera\u00e7\u00e3o ao escolher um filtro. Esse tipo de disposi\u00e7\u00e3o \u00e9 menos comum e \u00e9 utilizado apenas em moldes especiais ou em estruturas especiais de fundi\u00e7\u00e3o.<\/p>\n

Posicionamento diagonal<\/strong><\/p>\n

Essa disposi\u00e7\u00e3o aumenta a dificuldade de instala\u00e7\u00e3o do filtro, dificulta a opera\u00e7\u00e3o e faz com que a areia de moldagem caia com facilidade, entrando na cavidade e causando buracos de esc\u00f3ria.<\/p>","protected":false},"excerpt":{"rendered":"

The ceramic foam filter placement on the runner system is the ideal method to filter and purify the liquid metal. It is suitable for both…<\/p>","protected":false},"author":1,"featured_media":5496,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nCeramic Foam Filter Placement on Runner System<\/title>\n<meta name=\"description\" content=\"The ceramic foam filter placement on runner system is the ideal method to purify the molten metal. 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