{"id":18873,"date":"2024-04-19T16:57:09","date_gmt":"2024-04-19T08:57:09","guid":{"rendered":"https:\/\/firstmold.com\/?p=18873"},"modified":"2025-07-15T13:33:18","modified_gmt":"2025-07-15T05:33:18","slug":"quality-and-acceptance-standards-for-injection-molded-parts","status":"publish","type":"post","link":"https:\/\/firstmold.com\/es\/tips\/quality-and-acceptance-standards-for-injection-molded-parts\/","title":{"rendered":"Normas de calidad y aceptaci\u00f3n para piezas moldeadas por inyecci\u00f3n convencional"},"content":{"rendered":"<p>En el art\u00edculo \"<a href=\"https:\/\/firstmold.com\/es\/tips\/injection-molding-defects\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Defectos del moldeo por inyecci\u00f3n<\/strong><\/a>,\" mencionamos que los dise\u00f1adores o compradores de productos necesitan tener un conocimiento detallado de los defectos del moldeo por inyecci\u00f3n. Esto es para facilitar su capacidad de llevar a cabo inspecciones de calidad claras de las piezas moldeadas por inyecci\u00f3n despu\u00e9s de encargar a una f\u00e1brica la producci\u00f3n de productos de pl\u00e1stico. Dado que cada empresa de dise\u00f1o de productos tiene diferentes estructuras y apariencias de productos, los compradores deben establecer sus propias normas de calidad de moldeo por inyecci\u00f3n o criterios de aceptaci\u00f3n para los productos moldeados por inyecci\u00f3n.<\/p>\n\n\n\n<p>FirstMold no puede discutir la norma de calidad de moldeo por inyecci\u00f3n para cada producto espec\u00edfico. Sin embargo, podemos ofrecer una aceptaci\u00f3n constructiva de sugerencias est\u00e1ndar para componentes de moldeo por inyecci\u00f3n convencionales.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-measurement-surfaces-the-observed-surfaces\">Superficies de medici\u00f3n: Las superficies observadas<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-class-a-surfaces\">Superficies de clase A<\/h3>\n\n\n\n<p>Las superficies de clase A suelen referirse a las superficies del dise\u00f1o de productos que deben cumplir las normas est\u00e9ticas m\u00e1s estrictas y son f\u00e1cilmente visibles en condiciones normales de uso.<\/p>\n\n\n\n<p>En la fabricaci\u00f3n de autom\u00f3viles y el dise\u00f1o industrial, las superficies de clase A son las que requieren las normas de apariencia m\u00e1s estrictas. Deben ser muy lisas, impecables y poseer una calidad superficial extremadamente alta. Para alcanzar estos est\u00e1ndares de calidad en el moldeo por inyecci\u00f3n, las superficies de clase A suelen someterse a un complejo procesamiento para garantizar que sus superficies sean lisas e impecables.<\/p>\n\n\n\n<p>Adem\u00e1s, el dise\u00f1o de las superficies de clase A no s\u00f3lo se centra en los efectos visuales, sino que tambi\u00e9n tiene en cuenta factores como la resistencia estructural, la durabilidad y la funcionalidad.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-class-b-surfaces\">Superficies de clase B<\/h3>\n\n\n\n<p>Las superficies de clase B se refieren a aquellas \u00e1reas de un producto o art\u00edculo que est\u00e1n expuestas pero no son prominentemente visibles. Normalmente, se trata de superficies que no se ven directamente en condiciones normales de uso. Por ejemplo, la parte trasera, lateral o inferior de una caja de color pueden definirse como superficies de clase B. Aunque estas \u00e1reas son visibles, no son el foco principal de la vista.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-class-c-surfaces\">Superficies de clase C<\/h3>\n\n\n\n<p>Se trata de las superficies inferiores de conjuntos, estructuras o superficies de piezas que est\u00e1n en contacto entre s\u00ed durante el montaje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-inspection-conditions\">Condiciones de inspecci\u00f3n<\/h2>\n\n\n\n<p>1. Esta norma se basa en la premisa de que la funcionalidad no se ve afectada y se compara visualmente. Por lo tanto, no es superior a los calibres l\u00edmite y a las normas especiales espec\u00edficas de moldeo por inyecci\u00f3n.<\/p>\n\n\n\n<p>2. Normalmente, la inspecci\u00f3n visual se realiza a 30 cm durante 3-5 segundos. Si se encuentran defectos, el observador se desplaza a 50 cm y observa durante 3-7 segundos. Los defectos dif\u00edciles de ver y poco evidentes se consideran OK.<\/p>\n\n\n\n<p>3. La fuente de luz de inspecci\u00f3n son las luces fluorescentes utilizadas en la f\u00e1brica de producci\u00f3n, con una agudeza visual de 0,7 o superior.<\/p>\n\n\n\n<p>4. \u00c1ngulo de observaci\u00f3n: perpendicular a la superficie observada y en un \u00e1ngulo de 45 grados desde arriba o desde abajo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-inspection-suggestions-for-conventional-injection-molding-quality-standards\">Sugerencias de inspecci\u00f3n para las normas de calidad del moldeo por inyecci\u00f3n convencional<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-flashing\">Intermitente<\/h3>\n\n\n\n<p>No debe haber tapajuntas en los orificios de las trompetas, ojales, orificios de los interruptores y todos los orificios de acoplamiento de las piezas m\u00f3viles. Las posiciones ocultas de las columnas y los tapajuntas estructurales no deben afectar al montaje ni a la funcionalidad. Las zonas externas y potencialmente expuestas que afecten a la seguridad deben ser lisas al tacto y no provocar ara\u00f1azos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-deformation\">Deformaci\u00f3n<\/h3>\n\n\n\n<p>La deformaci\u00f3n de la carcasa base apoyada en una plataforma no debe superar los 0,3 mm, y la deformaci\u00f3n de la carcasa frontal a juego tampoco debe superar los 0,3 mm. Las deformaciones en otras piezas de pl\u00e1stico son aceptables siempre que no afecten al montaje o a la funcionalidad.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-dimensions\">Dimensiones<\/h3>\n\n\n\n<p>Los requisitos dimensionales deben referirse a la tabla y controlarse de acuerdo con las siguientes tolerancias:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Tipo de defecto<\/strong><\/td><td><strong>Clase A<\/strong><\/td><td><strong>Clase B<\/strong><\/td><td><strong>Clase C<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Grietas<\/td><td>No permitido<\/td><td>No permitido<\/td><td>Permitido si no tiene impacto en la apariencia o funcionalidad<\/td><\/tr><tr><td><a href=\"https:\/\/firstmold.com\/es\/tips\/short-shot-in-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Tiro corto<\/strong><\/a><\/td><td>No permitido<\/td><td>No permitido<\/td><td>Menor aceptable si no repercute en el aspecto o la funci\u00f3n<\/td><\/tr><tr><td><a href=\"https:\/\/firstmold.com\/es\/tips\/splay-marks-silver-streaks-in-injeciton-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Rayas de plata<\/strong><\/a><\/td><td>Norma m\u00ednima seg\u00fan muestra de ingenier\u00eda<\/td><td>Norma m\u00ednima seg\u00fan muestra de ingenier\u00eda<\/td><td>Norma m\u00ednima seg\u00fan muestra de ingenier\u00eda<\/td><\/tr><tr><td><a href=\"https:\/\/firstmold.com\/es\/tips\/sink-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Marca del fregadero<\/strong><\/a><\/td><td>Norma m\u00ednima, sin marcas visibles ni depresiones t\u00e1ctiles de 45\u00b0 a 90<\/td><td>Norma m\u00ednima, sin marcas visibles ni depresiones t\u00e1ctiles de 45\u00b0 a 90<\/td><td>Norma m\u00ednima, sin marcas visibles ni depresiones t\u00e1ctiles de 45\u00b0 a 90<\/td><\/tr><tr><td><a href=\"https:\/\/firstmold.com\/es\/tips\/black-spots-and-black-specks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Manchas oscuras\/mezclas de color\/manchas<\/strong><\/a><\/td><td>No m\u00e1s de 2 posiciones, separaci\u00f3n &gt;100mm, cada una &lt;0,4mm\u00b2.<\/td><td>No m\u00e1s de 3 posiciones, separaci\u00f3n &gt;100mm, cada una &lt;0,5mm\u00b2.<\/td><td>No m\u00e1s de 4 posiciones, separaci\u00f3n &gt;100mm, cada una &lt;0,9mm\u00b2.<\/td><\/tr><tr><td>Ara\u00f1azos\/Impactos<\/td><td>Cada uno no m\u00e1s largo de 8 mm, no m\u00e1s ancho de 0,05 mm<\/td><td>Cada uno no m\u00e1s largo de 10 mm, no m\u00e1s ancho de 0,1 mm<\/td><td>Cada uno no m\u00e1s largo de 2,5mm, no m\u00e1s ancho de 0,15mm<\/td><\/tr><tr><td><a href=\"https:\/\/firstmold.com\/es\/tips\/ejector-pin-marks\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Marcas expulsadas<\/strong><\/a><\/td><td>No permitido<\/td><td>No permitido<\/td><td>Aceptable si no hay impacto visual, ni protuberancia funcional<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gate-vestiges\">Vestigios de la Puerta<\/h3>\n\n\n\n<p>1. Las zonas expuestas o potencialmente expuestas (por ejemplo, las puertas de las bater\u00edas) que puedan afectar tanto a la apariencia como a las normas de seguridad deben tener posiciones de puerta planas y cumplir las normas de seguridad para garantizar que no causen ara\u00f1azos.<\/p>\n\n\n\n<p>2. Los vestigios de compuerta que tengan requisitos de montaje pero que no deban quedar expuestos y no afecten al montaje deben controlarse dentro de un margen de 0,5 mm y no deben afectar a la funcionalidad.<\/p>\n\n\n\n<p>3. La compuerta sin requisitos de montaje, que no afecte a la funcionalidad y que no est\u00e9 expuesta debe controlarse dentro de 1,5 mm. Las posiciones de la compuerta pueden tener una forma de rotura libre.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Gama de dimensiones (mm)<\/strong><\/td><td><strong>Tolerancia (mm)<\/strong><\/td><\/tr><\/thead><tbody><tr><td>0 - 10<\/td><td>\u00b10.05<\/td><\/tr><tr><td>10.1 - 50<\/td><td>\u00b10.10<\/td><\/tr><tr><td>50.1 - 100<\/td><td>\u00b10.15<\/td><\/tr><tr><td>100.1 - 200<\/td><td>\u00b10.20<\/td><\/tr><tr><td>M\u00e1s de 200<\/td><td>\u00b10.25<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-in-conclusion\">En conclusi\u00f3n<\/h2>\n\n\n\n<p>En circunstancias normales, las normas de aceptaci\u00f3n de la calidad de los productos moldeados por inyecci\u00f3n para los compradores son mucho m\u00e1s complejas que las sugerencias mencionadas. Pueden implicar aspectos como el envasado del producto, el etiquetado, el tratamiento de la superficie, el aspecto, la estructura, el rendimiento, la facilidad de uso, la funcionalidad del montaje y mucho m\u00e1s. Por lo tanto, debe crear un conjunto detallado de criterios de aceptaci\u00f3n basados en sus necesidades espec\u00edficas para asegurarse de que los productos acabados de su proveedor cumplen sus normas de calidad de moldeo por inyecci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Normas recomendadas de calidad \/ aceptaci\u00f3n \/ inspecci\u00f3n de productos moldeados por inyecci\u00f3n de pl\u00e1stico de grandes f\u00e1bricas de moldeo por inyecci\u00f3n<\/p>","protected":false},"author":5,"featured_media":18875,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[48],"tags":[51],"class_list":["post-18873","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-injection-molding"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Injection Molding Quality Standards | Plastic Parts Criteria<\/title>\n<meta name=\"description\" content=\"Recommended plastic injection molded product quality \/ acceptance \/ inspection standards from large injection molding factories\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/firstmold.com\/es\/tips\/quality-and-acceptance-standards-for-injection-molded-parts\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quality And Acceptance Standards For Conventional Injection Molded Parts\" \/>\n<meta property=\"og:description\" content=\"Recommended plastic injection molded product quality \/ acceptance \/ inspection standards from large injection molding factories\" \/>\n<meta property=\"og:url\" content=\"https:\/\/firstmold.com\/es\/tips\/quality-and-acceptance-standards-for-injection-molded-parts\/\" \/>\n<meta property=\"og:site_name\" content=\"First Mold\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.youtube.com\/@firstmold\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-19T08:57:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-15T05:33:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/injection-molding-quality-standards-featured-image-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"James Li\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@firstmold2011\" \/>\n<meta name=\"twitter:site\" content=\"@firstmold2011\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"James Li\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/quality-and-acceptance-standards-for-injection-molded-parts\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/quality-and-acceptance-standards-for-injection-molded-parts\\\/\"},\"author\":{\"name\":\"James Li\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/#\\\/schema\\\/person\\\/41882a87bad7ee7a4cab1e8b0b75a0ae\"},\"headline\":\"Quality And Acceptance Standards For Conventional Injection Molded Parts\",\"datePublished\":\"2024-04-19T08:57:09+00:00\",\"dateModified\":\"2025-07-15T05:33:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/quality-and-acceptance-standards-for-injection-molded-parts\\\/\"},\"wordCount\":861,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/quality-and-acceptance-standards-for-injection-molded-parts\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/firstmold.com\\\/wp-content\\\/uploads\\\/2024\\\/04\\\/injection-molding-quality-standards-featured-image-1.jpg\",\"keywords\":[\"Injection Molding\"],\"articleSection\":[\"Tips &amp; 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