{"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":"marchi-di-lavandino-stampaggio-a-iniezione","status":"publish","type":"post","link":"https:\/\/zetarmold.com\/it\/marchi-di-lavandino-stampaggio-a-iniezione\/","title":{"rendered":"Come evitare i segni di affondamento nello stampaggio a iniezione?"},"content":{"rendered":"<p><strong>One of the potential drawbacks of the <a href=\"https:\/\/zetarmold.com\/it\/injection-mold-complete-guide\/\">stampo a iniezione<\/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=\"Lettore 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. Che cos'\u00e8 la tacca di profondit\u00e0 nello stampaggio a iniezione?<\/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. Quali sono le cause dei segni di affondamento nello stampaggio a iniezione?<\/span><\/h2>\n<p>I segni di affondamento possono essere causati da diversi fattori, tra cui<\/p>\n<p>a. Improprio <a rel=\"noreferrer noopener\" href=\"https:\/\/zetarmold.com\/it\/\" data-type=\"URL\" data-id=\"https:\/\/zetarmold.com\/\" target=\"_blank\">stampo a iniezione<\/a> design.<\/p>\n<p>b. Raffreddamento inadeguato del materiale fuso.<\/p>\n<p>c. Flusso di materiale inadeguato.&nbsp;<\/p>\n<p>d. La presenza di bolle d'aria nel materiale fuso.<\/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. Come evitare i segni di affondamento dovuti a una progettazione impropria dello stampo\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>Inoltre, la progettazione dello stampo deve tenere conto del ritiro del materiale durante il raffreddamento, per garantire che il prodotto finito abbia le dimensioni corrette.<\/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. Come evitare il segno del lavandino dovuto a un raffreddamento inadeguato del materiale fuso\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>Per ottenere questo risultato, \u00e8 necessario implementare durante il processo canali di raffreddamento appropriati con controlli della temperatura regolati da un mezzo adeguato. In caso contrario, la qualit\u00e0 complessiva del prodotto potrebbe essere compromessa.<\/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. Come evitare i segni di sprofondamento dovuti a un flusso di materiale inadeguato\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>L'uso di strumenti specializzati come i misuratori di portata per misurare e mantenere una velocit\u00e0 ottimale \u00e8 essenziale per raggiungere questo obiettivo. Con l'attuazione di questi passaggi, potrete stare tranquilli sapendo che il vostro prodotto sar\u00e0 privo di imperfezioni causate da segni di affondamento!<\/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. Come evitare il segno di sprofondamento della presenza di bolle d'aria nel materiale fuso\uff1f<\/span><\/h2>\n<p>Le macchie di lavandino sono un'aggiunta sgradita a qualsiasi <a href=\"https:\/\/zetarmold.com\/it\/\" data-type=\"URL\" data-id=\"https:\/\/zetarmold.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">stampaggio a iniezione di plastica<\/a> ma c'\u00e8 una soluzione: un'apparecchiatura di degassificazione e uno sfiato adeguato. <\/p>\n<p>Assicurandosi che tutte le bolle d'aria siano state rimosse dal materiale fuso prima che questo venga iniettato nella <a href=\"https:\/\/zetarmold.com\/it\/\" data-type=\"URL\" data-id=\"https:\/\/zetarmold.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">stampo a iniezione<\/a> e utilizzando stampi ben ventilati, potete assicurarvi che il vostro progetto rimanga privo di macchie di lavandino!<\/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\/it\/contattateci\/\" 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\/it\/injection-molding-complete-guide\/\">Injection Molding Complete Guide<\/a> for a comprehensive overview.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Uno dei potenziali inconvenienti del processo di stampaggio a iniezione \u00e8 un difetto noto come segno di affondamento, in cui la superficie del prodotto finito appare infossata o concava a causa di un raffreddamento non uniforme o del ritiro del materiale.  In questo articolo discuteremo alcune strategie per evitare i segni di affondamento nello stampaggio a iniezione della plastica. [...]<\/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\/it\/wp-json\/wp\/v2\/posts\/14699"}],"collection":[{"href":"https:\/\/zetarmold.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zetarmold.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/it\/wp-json\/wp\/v2\/comments?post=14699"}],"version-history":[{"count":0,"href":"https:\/\/zetarmold.com\/it\/wp-json\/wp\/v2\/posts\/14699\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/it\/wp-json\/wp\/v2\/media\/13764"}],"wp:attachment":[{"href":"https:\/\/zetarmold.com\/it\/wp-json\/wp\/v2\/media?parent=14699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zetarmold.com\/it\/wp-json\/wp\/v2\/categories?post=14699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zetarmold.com\/it\/wp-json\/wp\/v2\/tags?post=14699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}