{"id":7426,"date":"2005-02-01T04:02:00","date_gmt":"2005-02-01T03:02:00","guid":{"rendered":"https:\/\/www.mdresistor.com\/gridex-nf\/"},"modified":"2005-02-01T04:02:00","modified_gmt":"2005-02-01T03:02:00","slug":"gridex-nf","status":"publish","type":"post","link":"https:\/\/www.mdresistor.com\/es\/gridex-nf\/","title":{"rendered":"GRIDEX N&amp;F"},"content":{"rendered":"<p style=\"text-align: center;\"><img decoding=\"async\" style=\"border: 0px;\" title=\"Gridexnf\" src=\"https:\/\/www.mdresistor.com\/images-docs-blog\/gridexnf.jpg\" alt=\"Gridexnf\"><\/p>\n<h2>PRESENTACI\u00d3N<\/h2>\n<p style=\"text-align: justify;\"><strong>Gridex N<\/strong> ( <strong>convecci\u00f3n natural<\/strong> ) y <strong>Gridex F<\/strong> ( <strong>ventilaci\u00f3n forzada<\/strong> ) utilizan <strong>rejillas<\/strong> de <strong>metal<\/strong> expandido como elementos de <strong>resistencia<\/strong> . Estas rejillas tienen una parte <strong>desplegada<\/strong> (la parte <strong>resistiva<\/strong> ) y dos tiras macizas (una en cada extremo) para asegurar el montaje y la <strong>conexi\u00f3n<\/strong> .<\/p>\n<h3>DISE\u00d1O DE ELEMENTOS<\/h3>\n<p><strong>TIPO DE MALLA<\/strong><br \/>\nHay dos tipos b\u00e1sicos de <strong>malla<\/strong> :<br \/>\n<strong>Malla abierta<\/strong> : para los <strong>valores \u00f3hmicos<\/strong> m\u00e1s bajos<br \/>\n<strong>Malla cerrada<\/strong> : para valores de alta resistencia<\/p>\n<p><strong>Elementos resistentes<\/strong> :<\/p>\n<p>dos fabricaciones b\u00e1sicas: elementos planos o elementos en forma de C. La elecci\u00f3n del tipo de elemento se basa en el valor de la <strong>resistencia<\/strong> , la <strong>energ\u00eda<\/strong> a disipar y la rigidez mec\u00e1nica.<\/p>\n<p><strong>Montaje de elementos resistentes<\/strong> :<\/p>\n<p>los <strong>elementos resistentes<\/strong> se <strong>apilan<\/strong> sobre <strong>varillas roscadas de acero inoxidable<\/strong> , la <strong>uni\u00f3n<\/strong> entre elementos se realiza mediante <strong>soldadura<\/strong> punto a punto.<\/p>\n<p><strong>Aislamiento<\/strong> :<\/p>\n<p>el aislamiento entre los propios <strong>elementos resistentes<\/strong> y las varillas est\u00e1 asegurado bien por <strong>cer\u00e1mica<\/strong> para usos est\u00e1ndar, bien por <strong>tubos<\/strong> y <strong>arandelas<\/strong> de <strong>mica<\/strong> cuando la <strong>resistencia<\/strong> est\u00e1 sometida a fuertes <strong>vibraciones<\/strong> ( <strong>resistencia a la tracci\u00f3n ferroviaria<\/strong> ).<\/p>\n<p><strong>Disipaci\u00f3n de calor<\/strong> :<\/p>\n<p>los <strong>resistentes<\/strong> elementos de <strong>metal expandido<\/strong> ofrecen una superficie \u00f3ptima para la <strong>disipaci\u00f3n<\/strong> ya sea por <strong>convecci\u00f3n natural<\/strong> o por <strong>convecci\u00f3n forzada<\/strong> .<\/p>\n<p><strong>Precisi\u00f3n de resistencia<\/strong> :<\/p>\n<p>la geometr\u00eda de los elementos resistentes en metal expandido y la variedad de las mallas nos permiten obtener <strong>elementos resistentes<\/strong> con una alta precisi\u00f3n de <strong>valor \u00f3hmico.<\/strong><\/p>\n<p><strong>Flexibilidad<\/strong> : el uso de elementos de metal expandido permite en la mayor\u00eda de los casos adaptarse a espacios restringidos y optimizar el peso.<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" style=\"border: 0px;\" title=\"Gridexft2\" src=\"https:\/\/www.mdresistor.com\/images-docs-blog\/gridexft2.gif\" alt=\"Gridexft2\"><\/p>\n<h2>USOS<\/h2>\n<ul>\n<li><strong>Frenado din\u00e1mico<\/strong> (ventilaci\u00f3n <strong>forzada<\/strong> o <strong>natural<\/strong> )<\/li>\n<li>Puesta a <strong>tierra<\/strong> de <strong>alto<\/strong> <strong>voltaje<\/strong><\/li>\n<li><strong>Filtrado<\/strong> de arm\u00f3nicos de <strong>alta potencia<\/strong><\/li>\n<li><strong>Bancos<\/strong> <strong>de carga<\/strong><\/li>\n<li><strong>El secado<\/strong><\/li>\n<\/ul>\n<h2>ALEACIONES<\/h2>\n<p>Los diferentes tipos de aleaci\u00f3n utilizados son:<br \/>\n<strong>Acero ferr\u00edtico<\/strong> &#8211; <strong>AISI 304<\/strong> &#8211; <strong>Acero inoxidable 18\/10<\/strong> &#8211; Acero <strong>refractario<\/strong> &#8211; <strong>Aleaci\u00f3n<\/strong> cupron\u00edquel &#8211; <strong>Aluchrome<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PRESENTACI\u00d3N Gridex N ( convecci\u00f3n natural ) y Gridex F ( ventilaci\u00f3n forzada ) utilizan rejillas de metal expandido como elementos de resistencia . Estas  [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,216,217,219,218,213],"tags":[],"class_list":["post-7426","post","type-post","status-publish","format-standard","hentry","category-control-del-motor","category-resistencia-de-carga","category-resistencia-de-filtro","category-resistencia-de-frenado","category-resistencia-de-puesta-a-tierra-ngr-ner","category-tecnologias-de-resistencia-metal-deploye"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>GRIDEX N&amp;F<\/title>\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.mdresistor.com\/es\/gridex-nf\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GRIDEX N&amp;F\" \/>\n<meta property=\"og:description\" content=\"PRESENTACI\u00d3N Gridex N ( convecci\u00f3n natural ) y Gridex F ( ventilaci\u00f3n forzada ) utilizan rejillas de metal expandido como elementos de resistencia . 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