{"id":11648,"date":"2023-05-11T09:35:31","date_gmt":"2023-05-11T01:35:31","guid":{"rendered":"https:\/\/firstmold.com\/?p=11648"},"modified":"2025-07-15T13:33:32","modified_gmt":"2025-07-15T05:33:32","slug":"feeding-system","status":"publish","type":"post","link":"https:\/\/firstmold.com\/es\/guides\/feeding-system\/","title":{"rendered":"Sistema de alimentaci\u00f3n en molde de inyecci\u00f3n"},"content":{"rendered":"


Adem\u00e1s del base del molde<\/strong><\/a> mencionado anteriormente, otro aspecto crucial componente de molde de inyecci\u00f3n<\/strong><\/a> es el sistema de alimentaci\u00f3n.<\/p>\n\n\n\n

El sistema de alimentaci\u00f3n (sistema de alimentaci\u00f3n), tambi\u00e9n conocido como sistema de canalizaci\u00f3n, dirige el pl\u00e1stico fundido desde la boquilla de la m\u00e1quina de inyecci\u00f3n hasta el cavidad del molde<\/strong><\/a>. Su funci\u00f3n es garantizar un llenado suave y ordenado de la cavidad y transmitir la presi\u00f3n de inyecci\u00f3n para obtener piezas de pl\u00e1stico bien estructuradas durante el llenado y la solidificaci\u00f3n.<\/p>\n\n\n\n

\"Sistema
Sistema de alimentaci\u00f3n en el moldeo por inyecci\u00f3n<\/figcaption><\/figure>\n\n\n\n

Generalmente, los moldes con sistemas de alimentaci\u00f3n convencionales tambi\u00e9n se denominan moldes de canal fr\u00edo, aunque rara vez se llaman as\u00ed expl\u00edcitamente.<\/p>\n\n\n\n

Componentes y funciones del sistema de alimentaci\u00f3n<\/h2>\n\n\n\n

El dise\u00f1o del sistema de alimentaci\u00f3n influye significativamente en el aspecto, las propiedades f\u00edsicas, la precisi\u00f3n dimensional y el ciclo de moldeo del producto final. El sistema de alimentaci\u00f3n consta principalmente de las siguientes estructuras:<\/p>\n\n\n\n

\"Sistema
Sistema de alimentaci\u00f3n<\/figcaption><\/figure>\n\n\n\n

Colada<\/a>: <\/strong>Es el canal inicial al que se dirige el pl\u00e1stico fundido desde la boquilla de la m\u00e1quina de inyecci\u00f3n. Se encarga de transportar el pl\u00e1stico fundido a los canales.<\/p>\n\n\n\n

Corredor y subcorredor<\/a>:<\/strong> Canales de transici\u00f3n que gu\u00edan la masa fundida y la distribuyen a varias compuertas tras recibirla del bebedero.<\/p>\n\n\n\n

Puerta<\/a>:<\/strong> Canales cortos que aceleran el flujo de la masa fundida hacia la cavidad.<\/p>\n\n\n\n

Bien fr\u00edo:<\/strong> Almacena el material fr\u00edo para evitar que entre en la cavidad y afecte a la calidad de la pieza moldeada.<\/p>\n\n\n\n

Principios de dise\u00f1o del sistema de alimentaci\u00f3n<\/h2>\n\n\n\n

1. Garantizar la calidad de las piezas de pl\u00e1stico<\/h3>\n\n\n\n

\u25cf Evite las marcas de soldadura en la medida de lo posible. La presencia de marcas de soldadura afecta principalmente al aspecto, haciendo que la superficie del producto sea pobre. La resistencia tambi\u00e9n ser\u00e1 pobre donde se produzcan marcas de soldadura.<\/p>\n\n\n\n

\u25cf Evite un sobreembalaje excesivo y una presi\u00f3n de embutici\u00f3n insuficiente. Un mal dise\u00f1o del sistema de inyecci\u00f3n o unas condiciones de funcionamiento inadecuadas pueden provocar un tiempo de envasado excesivo o una presi\u00f3n excesiva sobre el material fundido en la cavidad. Un sobreembalaje excesivo aumenta la densidad del producto, incrementa la tensi\u00f3n interna y provoca la formaci\u00f3n de rebabas.<\/p>\n\n\n\n

\u25cf Evite cuestiones como disparo corto<\/strong><\/a>, flash<\/strong><\/a>, atrapamiento de aire, l\u00edneas de soldadura<\/strong><\/a>, trazas, chorro, tensi\u00f3n residual, alabeo<\/strong><\/a>, turno central, etc.<\/p>\n\n\n\n

\u25cf Garantizar unas buenas propiedades de aspecto del producto, facilitar la eliminaci\u00f3n de las compuertas durante el acabado y asegurar que las marcas de las compuertas no afecten al aspecto y la aplicaci\u00f3n de las piezas de pl\u00e1stico.<\/p>\n\n\n\n

\"Sistema
Sistema de alimentaci\u00f3n de moldes dise\u00f1ado<\/figcaption><\/figure>\n\n\n\n

2. Eficacia de la producci\u00f3n<\/h3>\n\n\n\n

Minimice al m\u00e1ximo la necesidad de postprocesado, acorte el ciclo de moldeo y mejore la eficacia de la producci\u00f3n.<\/p>\n\n\n\n

3. Materiales pl\u00e1sticos<\/h3>\n\n\n\n

Evite utilizar canales de flujo demasiado largos o demasiado peque\u00f1os para pl\u00e1sticos de alta viscosidad o relaciones L\/t cortas.<\/p>\n\n\n\n

4. Eliminaci\u00f3n de residuos de solidificaci\u00f3n<\/h3>\n\n\n\n

\u25cf Eliminaci\u00f3n c\u00f3moda y fiable de los residuos de solidificaci\u00f3n del sistema de alimentaci\u00f3n.<\/p>\n\n\n\n

\u25cf Tenga en cuenta las posiciones de expulsi\u00f3n adecuadas para evitar la deformaci\u00f3n de las piezas moldeadas al expulsarlas.<\/p>\n\n\n\n

5. Material fr\u00edo<\/h3>\n\n\n\n

Dise\u00f1e pozos adecuados para el material fr\u00edo y ranuras de rebose para evitar que el material fr\u00edo entre directamente en la cavidad y afecte a la calidad del llenado.<\/p>\n\n\n\n

6. Relleno de residuos: <\/h3>\n\n\n\n

Minimice y acorte la secci\u00f3n transversal y la longitud del sistema de alimentaci\u00f3n para reducir el uso de pl\u00e1stico y el tama\u00f1o del molde.<\/p>\n\n\n\n

7. Disipaci\u00f3n de calor y ca\u00edda de presi\u00f3n<\/h3>\n\n\n\n

\u25cf Mantenga el paso del caudal corto y aseg\u00farese de que la secci\u00f3n transversal sea adecuada.<\/p>\n\n\n\n

\u25cf Evite las curvas en el recorrido del caudal y los cambios bruscos de direcci\u00f3n del caudal (utilice esquinas redondeadas para cambiar de direcci\u00f3n).<\/p>\n\n\n\n

\u25cf La rugosidad de la superficie debe ser baja durante el procesamiento de la v\u00eda de flujo.<\/p>\n\n\n\n

\u25cf La inyecci\u00f3n m\u00faltiple puede reducir la ca\u00edda de presi\u00f3n y la presi\u00f3n de inyecci\u00f3n necesaria, pero puede provocar una l\u00ednea de soldadura.<\/p>\n\n\n\n

8. Lograr el llenado simult\u00e1neo en la medida de lo posible<\/h3>\n\n\n\n

En el caso de m\u00faltiples cavidades en un molde, aseg\u00farese de que el material fundido que entra en cada cavidad puede llegar simult\u00e1neamente y que la presi\u00f3n a la entrada de cada cavidad es igual.<\/p>\n\n\n\n

En conclusi\u00f3n<\/h2>\n\n\n\n

El sistema de alimentaci\u00f3n es un aspecto cr\u00edtico de los moldes de inyecci\u00f3n. Para obtener informaci\u00f3n m\u00e1s detallada sobre el bebedero, el canal y las compuertas, siga los hiperv\u00ednculos correspondientes de este art\u00edculo. No dude en ponerse en contacto con nosotros en marketing@firstmold.com<\/strong><\/a> para m\u00e1s discusiones t\u00e9cnicas o si necesita servicios de fabricaci\u00f3n de moldes o producci\u00f3n de piezas, visite nuestro presupuesto de moldeo por inyecci\u00f3n<\/strong><\/a> p\u00e1gina.<\/p>","protected":false},"excerpt":{"rendered":"

El sistema de corredera es un componente crucial dentro de los moldes de inyecci\u00f3n. Este art\u00edculo explica en detalle qu\u00e9 es el sistema de canal y sus principios de dise\u00f1o.<\/p>","protected":false},"author":5,"featured_media":18293,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[47],"tags":[60],"class_list":["post-11648","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-injection-mold-component"],"acf":[],"yoast_head":"\nFeeding System | Runner System In The Mold<\/title>\n<meta name=\"description\" content=\"The gating system is a crucial component within injection molds. 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