{"id":2256,"date":"2026-01-05T03:08:16","date_gmt":"2026-01-05T03:08:16","guid":{"rendered":"https:\/\/www.oem-silicone.com\/?p=2256"},"modified":"2026-01-05T08:40:25","modified_gmt":"2026-01-05T08:40:25","slug":"guijiaozhipinkaimoyaozhunbeishenmetuzhichicungongchaibamo","status":"publish","type":"post","link":"https:\/\/www.oem-silicone.com\/es\/noticias\/2256\/","title":{"rendered":"\u00bfQu\u00e9 necesito preparar para abrir un molde para productos de silicona? Planos, tolerancias dimensionales, pendiente de desmoldeo y vida \u00fatil del molde"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Prepare esta informaci\u00f3n antes de abrir el molde, puede ahorrar mucho trabajo de repaso<\/h2>\n\n\n\n<p>Los residuos m\u00e1s comunes en el moldeo de silicona proceden de datos incompletos, dimensiones clave indefinidas y estructuras no fabricables. A continuaci\u00f3n se ofrece una \"lista de informaci\u00f3n de moldeo + puntos de ingenier\u00eda\".<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">I. \u00bfQu\u00e9 informaci\u00f3n debe facilitar? (enumere)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1) Planos estructurales<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dibujo 2D (se recomienda PDF + formato editable)<\/li>\n\n\n\n<li>Archivos 3D (STEP\/IGES son los m\u00e1s utilizados)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2) Dimensiones cr\u00edticas y tolerancias<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Qu\u00e9 dimensiones afectan al montaje y la estanqueidad (se recomienda marcarlas como cr\u00edticas)<\/li>\n\n\n\n<li>M\u00e1rgenes de tolerancia y m\u00e9todos de inspecci\u00f3n correspondientes<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3) Requisitos de materiales y prestaciones<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tipo de material: silicona\/caucho\/fluoroelast\u00f3mero, etc.<\/li>\n\n\n\n<li>Gama de dureza (Shore A)<\/li>\n\n\n\n<li>Si tiene que ser resistente al aceite, a los productos qu\u00edmicos, ign\u00edfugo, resistente a la intemperie, etc.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4) Requisitos de aspecto y proceso<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Color (se recomienda Pantone o muestra)<\/li>\n\n\n\n<li>Efecto de superficie: mate\/brillante\/suave<\/li>\n\n\n\n<li>Tanto si necesita impresi\u00f3n, pulverizaci\u00f3n de aceite, grabado l\u00e1ser, revestimiento adhesivo<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5) Cantidad y plazo de entrega<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uso anual\/cantidad de un solo pedido<\/li>\n\n\n\n<li>Entrega selectiva y ritmo de producci\u00f3n en masa<\/li>\n<\/ul>\n\n\n\n<p><aside> \u2705<\/p>\n\n\n\n<p>Anotar claramente las \"dimensiones cr\u00edticas + tolerancias + m\u00e9todos de prueba\" antes de abrir el molde es la clave para mejorar la calidad de la entrega.<\/p>\n\n\n\n<p><\/aside><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">En segundo lugar, los errores de ingenier\u00eda m\u00e1s comunes en los 4 puntos<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(1) Inclinaci\u00f3n insuficiente del molde de extracci\u00f3n<\/h3>\n\n\n\n<p>La ausencia de un cono de extracci\u00f3n puede provocar: dificultad de desmoldeo, tensiones, rebabas severas e inestabilidad dimensional.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recomendaci\u00f3n: Dar prioridad a la confirmaci\u00f3n durante la revisi\u00f3n de la fabricabilidad.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2) Bordes finos\/esquinas afiladas\/cavidades profundas<\/h3>\n\n\n\n<p>Es f\u00e1cil que se produzcan: falta de pegamento, desgarros, falta de resistencia localizada.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recomendaci\u00f3n: Realice una optimizaci\u00f3n estructural o cambie el proceso si es necesario.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(3) Posici\u00f3n irrazonable de la l\u00ednea de apertura del molde<\/h3>\n\n\n\n<p>La l\u00ednea de separaci\u00f3n afecta a: la apariencia, las superficies de sellado y las superficies de montaje.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recomendaci\u00f3n: Etiquetar claramente las \"superficies de apariencia\/sellado\" en los planos.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4) Las tolerancias est\u00e1n redactadas de forma demasiado \"idealista\".<\/h3>\n\n\n\n<p>Las tolerancias estrictas pueden aumentar los costes y reducir los rendimientos.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Recomendaci\u00f3n: centrar las tolerancias en las dimensiones que realmente afectan a la funci\u00f3n.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C. \u00bfQu\u00e9 suele determinar la vida \u00fatil y el coste del molde?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Complejidad de la estructura del producto<\/li>\n\n\n\n<li>N\u00famero de cavidades<\/li>\n\n\n\n<li>Acero para moldes y tratamiento de superficies<\/li>\n\n\n\n<li>Rendimiento y frecuencia de mantenimiento<\/li>\n\n\n\n<li>Disponibilidad de dispositivos secundarios de proceso y montaje<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">En cuarto lugar, se recomienda aceptar la fase de pruebas (T0\/T1) de esta manera<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Medidas: las dimensiones principales se ajustan a la norma<\/li>\n\n\n\n<li>Verificaci\u00f3n del montaje: fuerza de montaje, ara\u00f1azos, desplazamiento<\/li>\n\n\n\n<li>Verificaci\u00f3n funcional: sellado\/impermeabilizaci\u00f3n\/rebase (por objetivo)<\/li>\n\n\n\n<li>Confirmaci\u00f3n del aspecto: l\u00ednea de separaci\u00f3n, rebaba, diferencia de color<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Prepare esta informaci\u00f3n antes de abrir el molde, puede ahorrar mucho trabajo de repaso El desperdicio m\u00e1s com\u00fan en la apertura de moldes de productos de silicona proviene de: informaci\u00f3n incompleta, las dimensiones clave no est\u00e1n definidas, y la estructura no es fabricable. 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