{"id":22343,"date":"2024-07-30T12:01:56","date_gmt":"2024-07-30T04:01:56","guid":{"rendered":"https:\/\/firstmold.com\/?post_type=case-study&#038;p=22343"},"modified":"2025-07-24T11:08:38","modified_gmt":"2025-07-24T03:08:38","slug":"engine-valve-cover-manufacturing","status":"publish","type":"case-study","link":"https:\/\/firstmold.com\/es\/case-study\/engine-valve-cover-manufacturing\/","title":{"rendered":"Fabricaci\u00f3n de tapas de v\u00e1lvulas de motor por proceso de fundici\u00f3n a presi\u00f3n"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Un cliente del sector de la automoci\u00f3n de M\u00e9xico se puso en contacto con First Mold para fabricar una serie de tapas de v\u00e1lvulas de motor. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-requirements-for-engine-valve-covers-manufacturing\">Requisitos para la fabricaci\u00f3n de tapas de v\u00e1lvulas de motor<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Material<\/strong>: Aleaci\u00f3n de aluminio ligera pero resistente (AlSi10Mg) para reducir el peso del veh\u00edculo y mejorar la eficiencia del combustible.<\/li>\n\n\n\n<li><strong>Acabado superficial<\/strong>: Una superficie lisa y resistente a la corrosi\u00f3n con una tolerancia de \u00b10,1 mm.<\/li>\n\n\n\n<li><strong>Volumen de producci\u00f3n<\/strong>: 50.000 unidades al a\u00f1o.<\/li>\n\n\n\n<li><strong>Eficiencia de costes<\/strong>: Precios competitivos manteniendo una alta calidad.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-engine-valve-covers-manufacturing-process\">Proceso de fabricaci\u00f3n de las tapas de v\u00e1lvulas del motor<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-design-review-and-tooling-development\">Revisi\u00f3n del dise\u00f1o y desarrollo de herramientas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Al recibir el dise\u00f1o de este cliente, el equipo de ingenier\u00eda de First Mold llev\u00f3 a cabo un exhaustivo <a href=\"https:\/\/firstmold.com\/es\/guides\/dfm\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>revisi\u00f3n del dise\u00f1o<\/strong><\/a> para garantizar la fabricabilidad. El equipo identific\u00f3 problemas potenciales, como secciones de pared delgadas y geometr\u00edas complejas, que pod\u00edan provocar defectos de fundici\u00f3n. Se dise\u00f1\u00f3 una matriz a medida que incorporaba caracter\u00edsticas como la optimizaci\u00f3n de la <a href=\"https:\/\/firstmold.com\/es\/guides\/injection-molding-gate\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>sistemas de compuerta y ventilaci\u00f3n<\/strong><\/a> para mejorar el flujo de material y reducir la porosidad.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-die-casting-process\">Proceso de fundici\u00f3n a presi\u00f3n<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Preparaci\u00f3n del troquel<\/strong>: El molde se precalent\u00f3 a 200\u00b0C para evitar el choque t\u00e9rmico y garantizar un flujo uniforme del material.<\/li>\n\n\n\n<li><strong>Fundici\u00f3n<\/strong>: Se inyect\u00f3 aleaci\u00f3n de aluminio fundido en el <a href=\"https:\/\/firstmold.com\/es\/guides\/mold-cavity-and-mold-core\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>cavidad del molde<\/strong><\/a> a una presi\u00f3n de 1.500 bar<\/li>\n\n\n\n<li><strong>Refrigeraci\u00f3n y expulsi\u00f3n<\/strong>: La pieza se enfri\u00f3 y solidific\u00f3 en 30 segundos, a lo que sigui\u00f3 la expulsi\u00f3n autom\u00e1tica de la matriz.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-finishing-and-quality-control\">Acabado y control de calidad<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tras la fundici\u00f3n, las tapas de las v\u00e1lvulas se sometieron a una serie de procesos de acabado, incluidos el recorte, el granallado y el mecanizado. Se aplic\u00f3 un recubrimiento en polvo de alta calidad para mejorar la resistencia a la corrosi\u00f3n y la est\u00e9tica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">First Mold emple\u00f3 rigurosos <a href=\"https:\/\/firstmold.com\/es\/quality-control\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>medidas de control de calidad<\/strong><\/a>, incluida la inspecci\u00f3n dimensional mediante m\u00e1quinas de medici\u00f3n de coordenadas (MMC) y la inspecci\u00f3n por rayos X para detectar defectos internos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-challenges-and-solutions-in-engine-valve-cover-manufacturing\">Retos y soluciones en la fabricaci\u00f3n de tapas de v\u00e1lvulas para motores<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-porosity-issues\">Problemas de porosidad<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Asunto<\/strong>: Durante la fase inicial de producci\u00f3n, algunas tapas de v\u00e1lvulas presentaban porosidad, un defecto com\u00fan de la fundici\u00f3n a presi\u00f3n caracterizado por la presencia de peque\u00f1os huecos o bolsas de gas dentro del metal. Este defecto compromet\u00eda la integridad estructural de las piezas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n<\/strong>: El equipo de ingenieros aplic\u00f3 una t\u00e9cnica de fundici\u00f3n a presi\u00f3n asistida por vac\u00edo, que redujo significativamente el atrapamiento de aire y garantiz\u00f3 una fundici\u00f3n densa y sin defectos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-warpage\">Alabeo<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Asunto<\/strong>: El complejo dise\u00f1o provoc\u00f3 un peque\u00f1o alabeo durante el enfriamiento, que afect\u00f3 a la planitud de la pieza. El alabeo es un problema com\u00fan en la fundici\u00f3n a presi\u00f3n, causado por velocidades de enfriamiento desiguales o tensiones dentro del material.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n<\/strong>: Optimizando la velocidad de enfriamiento y redise\u00f1ando los canales de refrigeraci\u00f3n dentro de la matriz, First Mold consigui\u00f3 un enfriamiento uniforme, minimizando el alabeo y garantizando la precisi\u00f3n dimensional.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-results\">Resultados<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">First Mold fabric\u00f3 con \u00e9xito 9000 unidades de tapas de v\u00e1lvulas de motor de alta calidad para este cliente, recibimos grandes elogios por su parte.<\/p>","protected":false},"excerpt":{"rendered":"<p>First Mold destaca en la fabricaci\u00f3n de tapas de v\u00e1lvulas de motor de alta calidad, superando retos y suministrando piezas precisas y rentables.<\/p>","protected":false},"author":2,"featured_media":22351,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"case-study-category":[89],"case-study-tag":[72],"class_list":["post-22343","case-study","type-case-study","status-publish","has-post-thumbnail","hentry","case-study-category-die-casting-cases","case-study-tag-automotive"],"acf":{"photo_gallery":{"case_study_gallery":[[{"id":22352,"title":"The inner surface of the engine valve cover","caption":"The inner surface of the engine valve cover","full_image_url":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/07\/The-inner-surface-of-the-engine-valve-cover.webp","thumbnail_image_url":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/07\/The-inner-surface-of-the-engine-valve-cover-150x150.webp","large_srcset":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/07\/The-inner-surface-of-the-engine-valve-cover.webp 800w, 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