{"id":4369,"date":"2026-06-10T10:10:28","date_gmt":"2026-06-10T10:10:28","guid":{"rendered":"https:\/\/pfmscreen.com\/news-events\/welded-framed-pleated-extruder-screen-packs\/"},"modified":"2026-06-22T08:20:27","modified_gmt":"2026-06-22T08:20:27","slug":"paquetes-de-filtros-extrusores-plisados-con-marco-soldado","status":"publish","type":"post","link":"https:\/\/pfmscreen.com\/es\/blogs\/welded-framed-pleated-extruder-screen-packs\/","title":{"rendered":"Paquetes de filtros para extrusoras soldados, enmarcados o plisados: \u00bfCu\u00e1l es el adecuado para su proceso?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Al buscar paquetes de filtros para extrusoras, una de las primeras decisiones que deber\u00e1 tomar es el tipo de construcci\u00f3n: <strong>soldado<\/strong>, <strong>enmarcado<\/strong>, o <strong>plisado<\/strong>. Cada dise\u00f1o presenta caracter\u00edsticas estructurales, rendimiento de filtraci\u00f3n e idoneidad para diferentes condiciones de extrusi\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elegir el tipo incorrecto conlleva fallos prematuros en la pantalla, mayor ca\u00edda de presi\u00f3n, cambios m\u00e1s frecuentes y, en definitiva, mayores costes operativos. Esta gu\u00eda le ofrece una comparaci\u00f3n t\u00e9cnica clara para que pueda tomar la decisi\u00f3n correcta.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-what-is-an-extruder-screen-pack\" class=\"wp-block-heading\">\u00bfQu\u00e9 es un paquete de filtros para extrusora?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un paquete de filtros se encuentra en el adaptador de boquilla o cambiador de filtros entre el tornillo extrusor y la boquilla. Su funci\u00f3n es:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Filtrar los contaminantes s\u00f3lidos y los geles del pol\u00edmero fundido.<\/li>\n\n\n\n<li>Generar contrapresi\u00f3n para mejorar la homogeneidad de la fusi\u00f3n.<\/li>\n\n\n\n<li>Proteja las herramientas posteriores (matrices, bombas de engranajes, hileras).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">La mayor\u00eda de los paquetes de malla mosquitera constan de una o m\u00e1s capas de malla de alambre tejido, pero la forma en que esas capas se mantienen unidas define el tipo de paquete.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-construction-type-1-welded-screen-packs\" class=\"wp-block-heading\">Tipo de construcci\u00f3n 1: Paquetes de mallas soldadas<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pfmscreen.com\/es\/elementos-filtrantes-de-malla\/pantallas-de-extrusora\/paquetes-de-pantallas-de-extrusora-soldadas\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/pfmscreen.com\/wp-content\/uploads\/2025\/12\/Welded-Extruder-Screen-Packs.jpg\" alt=\"Paquetes de mallas de extrusi\u00f3n soldadas\" class=\"wp-image-2273\" srcset=\"https:\/\/pfmscreen.com\/wp-content\/uploads\/2025\/12\/Welded-Extruder-Screen-Packs.jpg 600w, https:\/\/pfmscreen.com\/wp-content\/uploads\/2025\/12\/Welded-Extruder-Screen-Packs-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n\n\n\n<h3 id=\"h-how-they-re-made\" class=\"wp-block-heading\">C\u00f3mo se fabrican<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Los paquetes de malla soldada se fabrican mediante soldadura por resistencia de las capas de malla en los bordes o en una cuadr\u00edcula de puntos de soldadura. No se utiliza marco. La soldadura fusiona directamente los alambres de la malla.<\/p>\n\n\n\n<h3 id=\"h-key-characteristics\" class=\"wp-block-heading\">Caracter\u00edsticas clave<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Propiedad<\/th><th>Detalle<\/th><\/tr><\/thead><tbody><tr><td>Tratamiento de bordes<\/td><td>Per\u00edmetro soldado (sin marco)<\/td><\/tr><tr><td>Espesor<\/td><td>Delgado \u2014 normalmente de 1 a 4 mm de espesor total<\/td><\/tr><tr><td>Rigidez<\/td><td>Moderado: los puntos de soldadura evitan la separaci\u00f3n de capas.<\/td><\/tr><tr><td>Presi\u00f3n m\u00e1xima de funcionamiento<\/td><td>Hasta ~200\u2013250 bar dependiendo de las especificaciones de la malla.<\/td><\/tr><tr><td>Capacidad de limpieza<\/td><td>No se limpia habitualmente; de un solo uso.<\/td><\/tr><tr><td>Configuraciones comunes<\/td><td>Cuadrado, circular, formas personalizadas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"h-when-to-choose-welded\" class=\"wp-block-heading\">\u00bfCu\u00e1ndo elegir soldadura?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Los paquetes soldados funcionan mejor en <strong>contaminaci\u00f3n moderada, viscosidad media<\/strong> procesos de extrusi\u00f3n donde:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La placa del cambiador de pantallas o del rompedor proporciona soporte estructural.<\/li>\n\n\n\n<li>Necesitas un <strong>paquete delgado<\/strong> que se ajusta a huecos poco profundos en la placa del interruptor<\/li>\n\n\n\n<li>La integridad de las capas durante la instalaci\u00f3n es fundamental (las capas no se deslizar\u00e1n ni se desplazar\u00e1n).<\/li>\n\n\n\n<li>Est\u00e1s corriendo <strong>PE, PP, PS o ABS<\/strong> a presiones de extrusi\u00f3n est\u00e1ndar<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Aplicaciones t\u00edpicas:<\/strong> Extrusi\u00f3n de pel\u00edcula soplada, extrusi\u00f3n de tuber\u00edas, extrusi\u00f3n de l\u00e1minas, extrusi\u00f3n de perfiles<\/p>\n\n\n\n<h3 id=\"h-limitations\" class=\"wp-block-heading\">Limitaciones<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Los puntos de soldadura pueden provocar interrupciones en el flujo cerca de los bordes.<\/li>\n\n\n\n<li>No apto para presiones muy altas sin soporte adicional del marco.<\/li>\n\n\n\n<li>Menor superficie que los dise\u00f1os plisados con una huella equivalente.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-construction-type-2-framed-screen-packs\" class=\"wp-block-heading\">Tipo de construcci\u00f3n 2: Paquetes de pantallas con marco<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pfmscreen.com\/es\/elementos-filtrantes-de-malla\/pantallas-de-extrusora\/paquetes-de-pantalla-de-extrusora-de-marco\/\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/pfmscreen.com\/wp-content\/uploads\/2025\/12\/Framed-Extruder-Screen-Packs-2.jpg\" alt=\"Paquetes de pantallas extrusoras enmarcadas\" class=\"wp-image-2367\" srcset=\"https:\/\/pfmscreen.com\/wp-content\/uploads\/2025\/12\/Framed-Extruder-Screen-Packs-2.jpg 600w, https:\/\/pfmscreen.com\/wp-content\/uploads\/2025\/12\/Framed-Extruder-Screen-Packs-2-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n\n\n\n<h3 id=\"h-how-they-re-made-0\" class=\"wp-block-heading\">C\u00f3mo se fabrican<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Los paquetes de malla enmarcada encapsulan una o m\u00e1s capas de malla dentro de un anillo o marco met\u00e1lico r\u00edgido, generalmente de acero inoxidable o acero al carbono. El marco se ajusta a presi\u00f3n o se suelda alrededor del di\u00e1metro exterior o el per\u00edmetro del conjunto de malla.<\/p>\n\n\n\n<h3 id=\"h-key-characteristics-0\" class=\"wp-block-heading\">Caracter\u00edsticas clave<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Propiedad<\/th><th>Detalle<\/th><\/tr><\/thead><tbody><tr><td>Tratamiento de bordes<\/td><td>Marco met\u00e1lico r\u00edgido (anillo o borde cuadrado)<\/td><\/tr><tr><td>Espesor<\/td><td>Mediano: el marco a\u00f1ade entre 2 y 5 mm a la altura del paquete.<\/td><\/tr><tr><td>Rigidez<\/td><td>Alto: el marco evita la deformaci\u00f3n bajo presi\u00f3n.<\/td><\/tr><tr><td>Presi\u00f3n m\u00e1xima de funcionamiento<\/td><td>250\u2013400+ bar<\/td><\/tr><tr><td>Caza de focas<\/td><td>El marco crea un sellado positivo contra la cara de la placa del interruptor.<\/td><\/tr><tr><td>Configuraciones comunes<\/td><td>Circular con anillo exterior, cuadrado con borde completo<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"h-when-to-choose-framed\" class=\"wp-block-heading\">\u00bfCu\u00e1ndo elegir un marco?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Los paquetes con marco son la opci\u00f3n preferida cuando:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Las presiones de funcionamiento son altas.<\/strong> (por encima de 200 bares de forma constante)<\/li>\n\n\n\n<li>El proceso implica <strong>pol\u00edmeros de alta viscosidad<\/strong> (PET, PA, resinas de ingenier\u00eda) que generan una presi\u00f3n de fusi\u00f3n significativa<\/li>\n\n\n\n<li>Necesitas un <strong>sello positivo<\/strong> para evitar que la fusi\u00f3n se produzca alrededor de los bordes de la pantalla.<\/li>\n\n\n\n<li>El dise\u00f1o del cambiador de pantalla tiene una <strong>hueco profundo<\/strong> o requiere un paquete de pantalla autoubicable<\/li>\n\n\n\n<li>Est\u00e1s corriendo <strong>Cambiadores de pantalla sin soporte continuo<\/strong> (p. ej., cambiadores de pantalla de placa deslizante o de tipo perno)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Aplicaciones t\u00edpicas:<\/strong> Hilado de fibra de PET, compuestos de resina de ingenier\u00eda, tuber\u00edas de pared gruesa, producci\u00f3n de masterbatch.<\/p>\n\n\n\n<h3 id=\"h-limitations-0\" class=\"wp-block-heading\">Limitaciones<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e1s pesados que los paquetes soldados: mayor costo de material.<\/li>\n\n\n\n<li>El marco reduce ligeramente el \u00e1rea de filtraci\u00f3n activa en comparaci\u00f3n con los dise\u00f1os soldados de cara completa.<\/li>\n\n\n\n<li>Mayor coste unitario, especialmente en aleaciones ex\u00f3ticas.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-construction-type-3-pleated-screen-packs\" class=\"wp-block-heading\">Tipo de construcci\u00f3n 3: Paquetes de pantallas plisadas<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pfmscreen.com\/es\/elementos-filtrantes-de-malla\/pantallas-de-extrusora\/paquetes-de-pantallas-extrusoras-plisadas\/\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/pfmscreen.com\/wp-content\/uploads\/2025\/12\/Pleated-Extruder-Screen-Packs-3.jpg\" alt=\"Paquetes de pantallas extrusoras plisadas\" class=\"wp-image-2380\" srcset=\"https:\/\/pfmscreen.com\/wp-content\/uploads\/2025\/12\/Pleated-Extruder-Screen-Packs-3.jpg 600w, https:\/\/pfmscreen.com\/wp-content\/uploads\/2025\/12\/Pleated-Extruder-Screen-Packs-3-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n\n\n\n<h3 id=\"h-how-they-re-made-1\" class=\"wp-block-heading\">C\u00f3mo se fabrican<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Los paquetes de filtros plisados consisten en un material filtrante que se pliega en forma de acorde\u00f3n, generalmente una malla fina o una estructura compuesta multicapa. El elemento plisado se ensambla luego en un marco o carcasa de soporte. Este enfoque es fundamentalmente diferente al de los paquetes planos soldados o con marco.<\/p>\n\n\n\n<h3 id=\"h-key-characteristics-1\" class=\"wp-block-heading\">Caracter\u00edsticas clave<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Propiedad<\/th><th>Detalle<\/th><\/tr><\/thead><tbody><tr><td>\u00c1rea de filtraci\u00f3n<\/td><td>De 3 a 8 veces mayor que un paquete plano equivalente<\/td><\/tr><tr><td>Presi\u00f3n de funcionamiento<\/td><td>Moderado: normalmente hasta 150\u2013200 bares.<\/td><\/tr><tr><td>vida de servicio<\/td><td>Significativamente m\u00e1s largo debido a su mayor capacidad de retenci\u00f3n de suciedad.<\/td><\/tr><tr><td>Ca\u00edda de presi\u00f3n<\/td><td>Menor \u0394P inicial para una clasificaci\u00f3n de micras equivalente<\/td><\/tr><tr><td>Factor de forma<\/td><td>Disco, cartucho o elemento plisado personalizado<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"h-when-to-choose-pleated\" class=\"wp-block-heading\">\u00bfCu\u00e1ndo elegir un vestido plisado?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Los envases plisados ofrecen una gran ventaja cuando:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Los niveles de contaminaci\u00f3n son altos.<\/strong> (materiales reciclados, material reciclado, resina posconsumo)<\/li>\n\n\n\n<li>T\u00fa quieres <strong>prolongar los intervalos de servicio<\/strong> entre cambios de pantalla para reducir el tiempo de inactividad<\/li>\n\n\n\n<li>Su proceso es <strong>sensible a la presi\u00f3n<\/strong> y necesitas minimizar la ca\u00edda de presi\u00f3n<\/li>\n\n\n\n<li>Est\u00e1s utilizando una filtraci\u00f3n fina (por debajo de 80 micras) y necesitas m\u00e1s \u00e1rea para mantener el rendimiento.<\/li>\n\n\n\n<li>El cambiador de filtros est\u00e1 dise\u00f1ado para elementos plisados (algunos sistemas de cinta continua o de retrolavado).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Aplicaciones t\u00edpicas:<\/strong> L\u00edneas de reciclaje de pl\u00e1stico, procesamiento de PET posconsumo, PP\/HDPE de alta contaminaci\u00f3n, producci\u00f3n de concentrados de color.<\/p>\n\n\n\n<h3 id=\"h-limitations-1\" class=\"wp-block-heading\">Limitaciones<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No es compatible con todos los dise\u00f1os de cambiadores de pantalla (requiere una geometr\u00eda de carcasa espec\u00edfica).<\/li>\n\n\n\n<li>Mayor costo unitario inicial<\/li>\n\n\n\n<li>Los materiales plisados pueden ser m\u00e1s sensibles a las fluctuaciones de flujo y a los choques t\u00e9rmicos.<\/li>\n\n\n\n<li>No apto para presiones muy altas sin una estructura de soporte reforzada.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-side-by-side-comparison\" class=\"wp-block-heading\">Comparaci\u00f3n lado a lado<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Par\u00e1metro<\/th><th>Soldado<\/th><th>Enmarcado<\/th><th>Plisado<\/th><\/tr><\/thead><tbody><tr><td>Superficie de filtraci\u00f3n<\/td><td>1\u00d7 (l\u00ednea base)<\/td><td>~0,9\u00d7 (el marco reduce el \u00e1rea)<\/td><td>3\u20138\u00d7<\/td><\/tr><tr><td>Tolerancia m\u00e1xima de presi\u00f3n<\/td><td>Medio (hasta ~250 bar)<\/td><td>Alta (250\u2013400+ bar)<\/td><td>Inferior (hasta ~200 bar)<\/td><\/tr><tr><td>Ca\u00edda de presi\u00f3n (inicial)<\/td><td>Medio<\/td><td>Medio<\/td><td>Bajo<\/td><\/tr><tr><td>vida de servicio<\/td><td>Est\u00e1ndar<\/td><td>Est\u00e1ndar<\/td><td>Extendido<\/td><\/tr><tr><td>Manejo de la contaminaci\u00f3n<\/td><td>Moderado<\/td><td>Moderado<\/td><td>Alto<\/td><\/tr><tr><td>Compatibilidad<\/td><td>La mayor\u00eda de los cambiadores de pantalla<\/td><td>La mayor\u00eda de los cambiadores de pantalla<\/td><td>Cambiadores de pantalla seleccionados<\/td><\/tr><tr><td>Costo por unidad<\/td><td>Bajo-medio<\/td><td>Medio-alto<\/td><td>Medio-alto<\/td><\/tr><tr><td>Instalaci\u00f3n<\/td><td>F\u00e1cil<\/td><td>F\u00e1cil-Medio<\/td><td>Requiere alojamiento adecuado<\/td><\/tr><tr><td>Lo mejor para<\/td><td>Extrusi\u00f3n est\u00e1ndar<\/td><td>Alta presi\u00f3n, alta viscosidad<\/td><td>Reciclaje, piensos contaminados<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-how-to-decide-a-process-based-decision-framework\" class=\"wp-block-heading\">C\u00f3mo decidir: Un marco de decisi\u00f3n basado en procesos<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Utilice este marco para acotar su selecci\u00f3n:<\/p>\n\n\n\n<h3 id=\"h-step-1-check-your-operating-pressure\" class=\"wp-block-heading\">Paso 1: Compruebe la presi\u00f3n de funcionamiento.<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Por debajo de 200 bares de forma constante<\/strong> \u2192 Tanto soldados como plisados son opciones viables.<\/li>\n\n\n\n<li><strong>Regularmente por encima de 200 bares<\/strong> \u2192 El paquete con marco es la opci\u00f3n m\u00e1s segura<\/li>\n\n\n\n<li><strong>Picos de presi\u00f3n superiores a 300 bar<\/strong> \u2192 Es esencial que est\u00e9 enmarcado con una malla de soporte de alta resistencia.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-step-2-assess-your-contamination-load\" class=\"wp-block-heading\">Paso 2: Eval\u00fae su carga de contaminaci\u00f3n<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Resina virgen limpia<\/strong> \u2192 El paquete soldado es suficiente<\/li>\n\n\n\n<li><strong>Mezcla de v\u00edrgenes y remolidos<\/strong> \u2192 soldado o con estructura seg\u00fan la presi\u00f3n<\/li>\n\n\n\n<li><strong>Alta contaminaci\u00f3n \/ contenido reciclado &gt;30%<\/strong> \u2192 Plisado para una mayor durabilidad<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-step-3-evaluate-your-screen-changer-type\" class=\"wp-block-heading\">Paso 3: Eval\u00fae el tipo de cambiador de pantalla.<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Placa deslizante o de tipo perno<\/strong> \u2192 soldado o enmarcado<\/li>\n\n\n\n<li><strong>Cinta continua \/ retrolavado<\/strong> \u2192 Consulte al fabricante; puede haber elementos plisados disponibles.<\/li>\n\n\n\n<li><strong>Cambio manual de pantalla<\/strong> \u2192 cualquier tipo; enmarcado ayuda con la autolocalizaci\u00f3n<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-step-4-consider-your-filtration-fineness-target\" class=\"wp-block-heading\">Paso 4: Considere su objetivo de finura de filtraci\u00f3n.<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Por encima de 150 micras<\/strong> \u2192 La soldadura de una sola capa suele ser suficiente.<\/li>\n\n\n\n<li><strong>40\u2013150 micras<\/strong> \u2192 multicapa soldada o con estructura (con malla de soporte)<\/li>\n\n\n\n<li><strong>Por debajo de 40 micras<\/strong> \u2192 plisado para un flujo constante; o enmarcado con malla de tejido holand\u00e9s.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-step-5-factor-in-changeover-cost\" class=\"wp-block-heading\">Paso 5: Incluir el costo de cambio<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Se aceptan cambios frecuentes.<\/strong> \u2192 la soldadura es rentable<\/li>\n\n\n\n<li><strong>El tiempo de inactividad es costoso.<\/strong> \u2192 El plisado alarga los intervalos; el enmarcado reduce el riesgo de fugas durante los cambios.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-layer-configuration-within-each-type\" class=\"wp-block-heading\">Configuraci\u00f3n de capas dentro de cada tipo<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Independientemente del tipo de construcci\u00f3n, la mayor\u00eda de los paquetes de pantallas utilizan un <strong>estructura multicapa<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Capa<\/th><th>Recuento de malla<\/th><th>Role<\/th><\/tr><\/thead><tbody><tr><td>Soporte grueso (aguas arriba)<\/td><td>Malla 10\u201330<\/td><td>Soporte estructural, prefiltro<\/td><\/tr><tr><td>Filtraci\u00f3n primaria<\/td><td>Malla 60\u2013325<\/td><td>Captura de contaminaci\u00f3n principal<\/td><\/tr><tr><td>Filtraci\u00f3n fina (opcional)<\/td><td>Malla de 200 a 500<\/td><td>Eliminaci\u00f3n de gel, captura de part\u00edculas finas<\/td><\/tr><tr><td>Soporte descendente<\/td><td>Malla de 10 a 20<\/td><td>Evita la explosi\u00f3n de los medios<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En los tipos con marco y soldados, las configuraciones t\u00edpicas de 3 o 4 capas son est\u00e1ndar. Los elementos plisados suelen utilizar un material compuesto prelaminado en lugar de capas sueltas separadas.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-material-considerations\" class=\"wp-block-heading\">Consideraciones sobre los materiales<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Los tres tipos est\u00e1n disponibles en:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Acero inoxidable 304<\/strong> \u2014 calificaciones est\u00e1ndar, las m\u00e1s comunes<\/li>\n\n\n\n<li><strong>Acero inoxidable 316L<\/strong> \u2014 Pol\u00edmeros agresivos o que contienen cloruro<\/li>\n\n\n\n<li><strong>SS 316Ti<\/strong> \u2014 estabilidad a temperaturas elevadas<\/li>\n\n\n\n<li><strong>Monel \/ Inconel<\/strong> \u2014 fluoropol\u00edmeros (PVDF, PTFE), fundidos altamente corrosivos<\/li>\n\n\n\n<li><strong>Bronce fosforoso<\/strong> \u2014 Procesamiento de PVC (resiste la corrosi\u00f3n bajo tensi\u00f3n por cloruros)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Adapta el material a la qu\u00edmica del pol\u00edmero, no solo a la temperatura. Para obtener m\u00e1s informaci\u00f3n, consulta nuestro pr\u00f3ximo art\u00edculo: <em>Filtros para extrusoras SS304 vs. SS316L: \u00bfQu\u00e9 grado de acero inoxidable deber\u00eda elegir?<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"h-summary\" class=\"wp-block-heading\">Resumen<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">No existe un tipo de construcci\u00f3n de paquete de filtros que sea universalmente &quot;mejor&quot;. La elecci\u00f3n correcta depende de la presi\u00f3n de operaci\u00f3n, el tipo de pol\u00edmero, el nivel de contaminaci\u00f3n y el dise\u00f1o del cambiador de filtros.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Soldado<\/strong> \u2192 fiable, rentable, amplia compatibilidad<\/li>\n\n\n\n<li><strong>Enmarcado<\/strong> \u2192 integridad a alta presi\u00f3n, sellado positivo, durabilidad a largo plazo<\/li>\n\n\n\n<li><strong>Plisado<\/strong> \u2192 M\u00e1xima superficie de filtraci\u00f3n, mayor vida \u00fatil, ideal para resinas recicladas<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En caso de duda, describa su aplicaci\u00f3n a su proveedor de paquetes de serigraf\u00eda (presi\u00f3n, rendimiento, pol\u00edmero y frecuencia de cambio) y solicite una recomendaci\u00f3n t\u00e9cnica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PFM SCREEN fabrica los tres tipos de construcci\u00f3n en configuraciones est\u00e1ndar y personalizadas, con opciones de materiales que van desde SS304 hasta Inconel. <a href=\"https:\/\/pfmscreen.com\/es\/contact\/\">Contacta con nuestro equipo t\u00e9cnico.<\/a> para recomendaciones espec\u00edficas de la aplicaci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"<p>No todos los paquetes de filtros para extrusoras son iguales. Esta gu\u00eda explica las principales diferencias entre los paquetes de filtros soldados, con marco y plisados, abarcando su construcci\u00f3n, rendimiento, capacidad de soportar presi\u00f3n y qu\u00e9 tipo se adapta mejor a su proceso de extrusi\u00f3n de pol\u00edmeros.<\/p>","protected":false},"author":1,"featured_media":3506,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-4369","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Welded vs. Framed vs. Pleated Extruder Screen Packs | PFM SCREEN<\/title>\n<meta name=\"description\" content=\"Compare welded, framed, and pleated extruder screen packs: construction, pressure tolerance, filtration 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