{"id":1197,"date":"2025-09-11T05:28:16","date_gmt":"2025-09-11T05:28:16","guid":{"rendered":"https:\/\/chjnjpvhk3.onrocket.site\/?p=1197"},"modified":"2025-09-21T11:58:35","modified_gmt":"2025-09-21T11:58:35","slug":"proceso-de-fundicion-de-rodillos-recubiertos-de-poliuretano","status":"publish","type":"post","link":"https:\/\/pepsenpu.com\/es\/proceso-de-fundicion-de-rodillos-recubiertos-de-poliuretano\/","title":{"rendered":"Proceso de colada de rodillos recubiertos de poliuretano"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Pepsen fabrica rodillos recubiertos de poliuretano seg\u00fan planos y condiciones de servicio para sectores como <a href=\"https:\/\/pepsenpu.com\/es\/almacenamiento-logistico\/\"><strong>log\u00edstica y almacenamiento<\/strong>,<\/a> , textil, pel\u00edcula, papel y manutenci\u00f3n. A continuaci\u00f3n se resume el flujo general desde el n\u00facleo hasta la colada, el curado, el acabado y la inspecci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\"><strong>Preparaci\u00f3n del n\u00facleo del rodillo<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. Limpieza y retirada del recubrimiento<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En n\u00facleos nuevos se eliminan aceite, \u00f3xido y contaminaci\u00f3n. En el recubrimiento de n\u00facleos usados se retiran el elast\u00f3mero y el adhesivo anteriores y se revisan da\u00f1os, corrosi\u00f3n, descentramiento y dimensiones. El limpiador y el m\u00e9todo se eligen seg\u00fan el metal; la rugosidad se especifica para el sistema adhesivo y el plano.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Granallado y aplicaci\u00f3n del adhesivo<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La superficie se granalla u obtiene una rugosidad controlada. Tras comprobar limpieza y estado, se aplica la imprimaci\u00f3n o el adhesivo especificado. Material, tiempo de espera, cantidad y secado se controlan seg\u00fan las instrucciones del sistema de uni\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/pepsenpu.com\/wp-content\/uploads\/2025\/09\/Casting-Process-of-Polyurethane-Coated-Rollers.jpg\" alt=\"Preparaci\u00f3n del n\u00facleo de un rodillo recubierto de poliuretano\" class=\"wp-image-1215 size-full\" srcset=\"https:\/\/pepsenpu.com\/wp-content\/uploads\/2025\/09\/Casting-Process-of-Polyurethane-Coated-Rollers.jpg 600w, https:\/\/pepsenpu.com\/wp-content\/uploads\/2025\/09\/Casting-Process-of-Polyurethane-Coated-Rollers-300x300.jpg 300w, https:\/\/pepsenpu.com\/wp-content\/uploads\/2025\/09\/Casting-Process-of-Polyurethane-Coated-Rollers-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Colada y moldeo del poliuretano<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. Molde y control de temperatura <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se limpian molde y n\u00facleo y se acondicionan a una temperatura adecuada para la formulaci\u00f3n y la geometr\u00eda. Temperatura y tiempo dependen del sistema, espesor y molde, por lo que se controlan mediante la instrucci\u00f3n de trabajo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Mezcla, colada y curado<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las materias primas se dosifican, mezclan, desgasifican y vierten. Las temperaturas, el curado inicial y el poscurado se definen seg\u00fan el poliuretano y las dimensiones del rodillo, y se registran por lote. No se aplica una \u00fanica curva a todos los productos; dureza y propiedades se confirman mediante ensayos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Acabado e inspecci\u00f3n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tras el curado puede realizarse acondicionamiento, torneado, rectificado, ranurado o equilibrado. Se comprueban di\u00e1metro, descentramiento, concentricidad, dureza, aspecto y uni\u00f3n conforme al plano y al plan de inspecci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Control de proceso de Pepsen<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El lote de materia prima, formulaci\u00f3n, condiciones de colada y curado, mecanizado e inspecci\u00f3n quedan trazables en los registros. Los controles y el alcance de muestreo o inspecci\u00f3n total se acuerdan antes del pedido seg\u00fan aplicaci\u00f3n, plano, tolerancias y requisitos de calidad.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>As a company specializing in cast polyurethane (CPU) products, Shanghai Pepsen utilizes precise casting technology to manufacture high-quality polyurethane coated rollers suitable for industries such as logistics &amp; warehousing, textile, plastic film, papermaking, and material handling. The following focuses on the casting process of polyurethane coated rollers. Substrate Preparation\u200b for Roller Core 1. Clean Pretreatment\u200b [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[48,3],"tags":[],"class_list":["post-1197","post","type-post","status-publish","format-standard","hentry","category-blog","category-newsblog"],"_links":{"self":[{"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/posts\/1197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/comments?post=1197"}],"version-history":[{"count":26,"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/posts\/1197\/revisions"}],"predecessor-version":[{"id":1303,"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/posts\/1197\/revisions\/1303"}],"wp:attachment":[{"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/media?parent=1197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/categories?post=1197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pepsenpu.com\/es\/wp-json\/wp\/v2\/tags?post=1197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}