{"id":14699,"date":"2022-12-15T10:00:00","date_gmt":"2022-12-15T02:00:00","guid":{"rendered":"https:\/\/zetarmold.com\/?p=14699"},"modified":"2026-04-09T08:27:32","modified_gmt":"2026-04-09T00:27:32","slug":"marcas-de-hundimiento-moldeo-por-inyeccion","status":"publish","type":"post","link":"https:\/\/zetarmold.com\/es\/marcas-de-hundimiento-moldeo-por-inyeccion\/","title":{"rendered":"\u00bfC\u00f3mo evitar las marcas de hundimiento en el moldeo por inyecci\u00f3n?"},"content":{"rendered":"<p><strong>One of the potential drawbacks of the <a href=\"https:\/\/zetarmold.com\/es\/injection-mold-complete-guide\/\">molde de inyecci\u00f3n<\/a>ing process is a defect known as a sink mark, in which the surface of the finished product appears sunken or concave due to uneven cooling or shrinkage of the material.&nbsp;<\/strong><\/p>\n<p>In this article, we will discuss some strategies for avoiding sink marks in plastic injection molding.<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n<div class=\"wp-block-embed__wrapper\">\n<iframe  id=\"_ytid_48524\"  width=\"800\" height=\"450\"  data-origwidth=\"800\" data-origheight=\"450\"  data-relstop=\"1\" src=\"https:\/\/www.youtube.com\/embed\/GJGstdlFhW8?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;modestbranding=0&#038;rel=0&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;\" class=\"__youtube_prefs__  epyt-is-override  no-lazyload\" title=\"Reproductor de YouTube\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe>\n<\/div>\n<\/figure>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">1. Qu\u00e9 es la marca de hundimiento en el moldeo por inyecci\u00f3n\uff1f<\/span><\/h2>\n<p>Sink marks are common injection molding defects, in which the surface of the finished product sinks or caves in, creating an indentation or depression.&nbsp;<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">2. Qu\u00e9 causa las marcas de hundimiento en el moldeo por inyecci\u00f3n\uff1f.<\/span><\/h2>\n<p>Las marcas de hundimiento pueden deberse a varios factores, entre ellos\uff1a.<\/p>\n<p>a. Inadecuado <a rel=\"noreferrer noopener\" href=\"https:\/\/zetarmold.com\/es\/\" data-type=\"URL\" data-id=\"https:\/\/zetarmold.com\/\" target=\"_blank\">molde de inyecci\u00f3n<\/a> dise\u00f1o.<\/p>\n<p>b. Enfriamiento inadecuado del material fundido.<\/p>\n<p>c. Flujo de material inadecuado.&nbsp;<\/p>\n<p>d. La presencia de burbujas de aire en el material fundido.<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-1.jpg\" alt=\"\" class=\"wp-image-14721\" height=\"400\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-1.jpg 564w, https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-1-300x268.jpg 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">3. C\u00f3mo evitar las marcas de hundimiento de un dise\u00f1o de molde inadecuado\uff1f.<\/span><\/h2>\n<p>One of the key factors that can contribute to sinking marks is the design of the injection mold.&nbsp;The design of the mold plays a critical role in the overall quality of the finished product, and a poorly designed mold can result in defects such as sink marks.&nbsp;<\/p>\n<p>To reduce sink marks, the injection mold should be designed with adequate wall thickness and gate sizes, as well as proper venting to allow air to escape from the mold.&nbsp;<\/p>\n<p>Adem\u00e1s, el dise\u00f1o del molde debe tener en cuenta la contracci\u00f3n del material al enfriarse, para garantizar que el producto acabado tenga las dimensiones correctas.<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"564\" height=\"373\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding.jpg\" alt=\"\" class=\"wp-image-14726\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding.jpg 564w, https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-300x198.jpg 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">4. C\u00f3mo evitar la marca de hundimiento por enfriamiento inadecuado del material fundido\uff1f.<\/span><\/h2>\n<p>During injection molding, it is essential to properly cool the molten material to solidify it into the desired shape and avoid sink marks. <\/p>\n<p>Para lograr este resultado, deben implantarse durante el proceso canales de refrigeraci\u00f3n apropiados con controles de temperatura regulados de un medio adecuado. No hacerlo podr\u00eda afectar negativamente a la calidad general del producto.<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"423\" height=\"317\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-4-edited-1.jpg\" alt=\"\" class=\"wp-image-14734\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-4-edited-1.jpg 423w, https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-4-edited-1-300x225.jpg 300w\" sizes=\"(max-width: 423px) 100vw, 423px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">5. C\u00f3mo evitar las marcas de hundimiento de un flujo de material inadecuado\uff1f.<\/span><\/h2>\n<p>The formation of sink marks in injection molds can be prevented through the careful control and monitoring of material temperature, as well as designing a mold that accounts for the flow characteristics of the material. <\/p>\n<p>El uso de herramientas especializadas, como caudal\u00edmetros, para medir y mantener un caudal \u00f3ptimo es esencial para lograr este objetivo. Con estos pasos implementados, tendr\u00e1 la tranquilidad de saber que su producto se mantendr\u00e1 libre de imperfecciones causadas por marcas de hundimiento.<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"376\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-6-edited.jpg\" alt=\"\" class=\"wp-image-14736\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-6-edited.jpg 501w, https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/12\/sink-marks-injection-molding-6-edited-300x225.jpg 300w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">6. C\u00f3mo evitar la marca de hundimiento de la presencia de burbujas de aire en el material fundido\uff1f.<\/span><\/h2>\n<p>Las marcas de los fregaderos son un a\u00f1adido desagradable a cualquier <a href=\"https:\/\/zetarmold.com\/es\/\" data-type=\"URL\" data-id=\"https:\/\/zetarmold.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">moldeo por inyecci\u00f3n de pl\u00e1stico<\/a> proyecto, pero hay una soluci\u00f3n: equipos de desgasificaci\u00f3n y ventilaci\u00f3n adecuada. <\/p>\n<p>Al asegurarse de que se han eliminado todas las burbujas de aire del material fundido antes de inyectarlo en la <a href=\"https:\/\/zetarmold.com\/es\/\" data-type=\"URL\" data-id=\"https:\/\/zetarmold.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">molde de inyecci\u00f3n<\/a> y si utiliza moldes bien ventilados, se asegurar\u00e1 de que su proyecto no presente marcas de hundimiento.<\/p>\n<div style=\"background:#f0f4f8;padding:20px;border-radius:8px;margin-top:30px;\">\n<p style=\"margin:0 0 10px;font-size:18px;\"><strong>Need a Quote for Your Injection Molding Project?<\/strong><\/p>\n<p style=\"margin:0 0 10px;\">Get competitive pricing, DFM feedback, and production timeline from ZetarMold&#8217;s engineering team.<\/p>\n<p style=\"margin:0;\"><a href=\"https:\/\/zetarmold.com\/es\/contacto\/\" style=\"background:#2563eb;color:white;padding:12px 24px;border-radius:6px;text-decoration:none;font-weight:bold;\">Request a Free Quote \u2192<\/a> See our <a href=\"https:\/\/zetarmold.com\/es\/injection-molding-complete-guide\/\">Injection Molding Complete Guide<\/a> for a comprehensive overview.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Uno de los posibles inconvenientes del proceso de moldeo por inyecci\u00f3n es un defecto conocido como marca de hundimiento, en el que la superficie del producto acabado aparece hundida o c\u00f3ncava debido a un enfriamiento desigual o a la contracci\u00f3n del material.  En este art\u00edculo analizaremos algunas estrategias para evitar las marcas de hundimiento en el moldeo por inyecci\u00f3n de pl\u00e1sticos. [...]<\/p>","protected":false},"author":1,"featured_media":13764,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"How to avoid sink marks in injection molding? | ZetarMold","_seopress_titles_desc":"Learn how to prevent and fix sink marks injection molding in injection molding. ZetarMold's engineers provide proven DFM solutions to eliminate common plastic","_seopress_robots_index":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[52],"tags":[101],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/posts\/14699"}],"collection":[{"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/comments?post=14699"}],"version-history":[{"count":0,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/posts\/14699\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/media\/13764"}],"wp:attachment":[{"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/media?parent=14699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/categories?post=14699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/tags?post=14699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}