{"id":5233,"date":"2026-04-14T15:22:36","date_gmt":"2026-04-14T07:22:36","guid":{"rendered":"https:\/\/txjpcba.com\/?p=5233"},"modified":"2026-04-14T15:22:36","modified_gmt":"2026-04-14T07:22:36","slug":"come-rilevare-i-difetti-del-rivestimento","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/it\/come-rilevare-i-difetti-del-rivestimento\/","title":{"rendered":"Come individuare i difetti del rivestimento?"},"content":{"rendered":"<h2 data-start=\"0\" data-end=\"33\"><strong data-start=\"0\" data-end=\"33\">Rilevare i difetti del rivestimento<\/strong><\/h2>\n<p data-start=\"35\" data-end=\"387\">Rilevamento dei difetti in <strong data-start=\"56\" data-end=\"77\">Rivestimento conforme<\/strong> \u00e8 essenziale per garantire affidabilit\u00e0 e prestazioni in <strong data-start=\"132\" data-end=\"148\">Assemblaggio di PCB<\/strong> e <strong data-start=\"153\" data-end=\"169\">Assemblaggio SMT<\/strong>. Anche piccoli problemi di rivestimento possono causare infiltrazioni di umidit\u00e0, corrosione o guasti elettrici. In genere si utilizza una combinazione di metodi di ispezione in <strong data-start=\"318\" data-end=\"342\">Assemblaggio di PCB chiavi in mano<\/strong> per identificare e controllare efficacemente i difetti.<\/p>\n<figure id=\"attachment_5235\" aria-describedby=\"caption-attachment-5235\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5235\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-detect-coating-defects.jpg\" alt=\"Come rilevare i difetti del rivestimento\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-detect-coating-defects.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-detect-coating-defects-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-detect-coating-defects-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-detect-coating-defects-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-5235\" class=\"wp-caption-text\">Come rilevare i difetti del rivestimento<\/figcaption><\/figure>\n<p data-start=\"389\" data-end=\"500\"><strong data-start=\"389\" data-end=\"425\">Ispezione visiva (metodo di base)<\/strong><br data-start=\"425\" data-end=\"428\" \/>Il modo pi\u00f9 semplice per individuare i difetti del rivestimento \u00e8 l'ispezione visiva:<\/p>\n<ul data-start=\"502\" data-end=\"652\">\n<li data-section-id=\"1dzfc3t\" data-start=\"502\" data-end=\"543\">Utilizzare un'illuminazione e un ingrandimento adeguati<\/li>\n<li data-section-id=\"33p63i\" data-start=\"544\" data-end=\"598\">Controllare che non vi siano rivestimenti irregolari, bolle o aree mancanti.<\/li>\n<li data-section-id=\"o8nr2\" data-start=\"599\" data-end=\"652\">Identificare l'eccesso di rivestimento sui connettori o sui punti di test<\/li>\n<\/ul>\n<p data-start=\"654\" data-end=\"755\">Anche se di base, questo metodo \u00e8 ancora ampiamente utilizzato come primo passo per <a href=\"https:\/\/txjpcba.com\/it\/assemblaggio-pcb\/\"><strong data-start=\"722\" data-end=\"738\">Assemblaggio di PCB<\/strong><\/a> controllo di qualit\u00e0.<\/p>\n<p data-start=\"757\" data-end=\"860\"><strong data-start=\"757\" data-end=\"801\">Ispezione con luce UV (metodo pi\u00f9 comune)<\/strong><br data-start=\"801\" data-end=\"804\" \/>Molti <strong data-start=\"809\" data-end=\"830\">Rivestimento conforme<\/strong> materiali includono i traccianti UV:<\/p>\n<ul data-start=\"862\" data-end=\"988\">\n<li data-section-id=\"cqo6ro\" data-start=\"862\" data-end=\"894\">Il rivestimento si illumina alla luce UV<\/li>\n<li data-section-id=\"1jztn5x\" data-start=\"895\" data-end=\"932\">Le aree mancanti o sottili appaiono scure<\/li>\n<li data-section-id=\"1xvpiq7\" data-start=\"933\" data-end=\"988\">Facile individuazione di problemi di copertura e contaminazione<\/li>\n<\/ul>\n<p data-start=\"990\" data-end=\"1092\">Questa \u00e8 una delle tecniche pi\u00f9 efficienti in <strong data-start=\"1038\" data-end=\"1054\">Assemblaggio SMT<\/strong> linee per una rapida identificazione dei difetti.<\/p>\n<p data-start=\"1094\" data-end=\"1195\"><strong data-start=\"1094\" data-end=\"1132\">AOI (ispezione ottica automatizzata)<\/strong><br data-start=\"1132\" data-end=\"1135\" \/>I sistemi AOI forniscono un rilevamento automatizzato e altamente accurato:<\/p>\n<ul data-start=\"1197\" data-end=\"1340\">\n<li data-section-id=\"rons90\" data-start=\"1197\" data-end=\"1242\">Rileva un rivestimento insufficiente o eccessivo<\/li>\n<li data-section-id=\"4e5q90\" data-start=\"1243\" data-end=\"1293\">Identifica bolle, vuoti e incongruenze.<\/li>\n<li data-section-id=\"1vl948k\" data-start=\"1294\" data-end=\"1340\">Confronta i risultati con gli standard programmati<\/li>\n<\/ul>\n<p data-start=\"1342\" data-end=\"1437\">L'AOI \u00e8 comunemente utilizzato per i grandi volumi di <a href=\"https:\/\/txjpcba.com\/it\/assemblaggio-pcb-chiavi-in-mano\/\"><strong data-start=\"1378\" data-end=\"1402\">Assemblaggio di PCB chiavi in mano<\/strong><\/a> per ottenere risultati di ispezione coerenti.<\/p>\n<p data-start=\"1439\" data-end=\"1464\"><strong data-start=\"1439\" data-end=\"1464\">Misura dello spessore<\/strong><\/p>\n<p data-start=\"1466\" data-end=\"1533\">I difetti non sono sempre visibili: anche il controllo dello spessore \u00e8 importante:<\/p>\n<ul data-start=\"1535\" data-end=\"1683\">\n<li data-section-id=\"17kfowo\" data-start=\"1535\" data-end=\"1577\">Utilizzare misuratori di film umido durante l'applicazione<\/li>\n<li data-section-id=\"18j4giz\" data-start=\"1578\" data-end=\"1625\">Utilizzare strumenti di misurazione del film secco dopo l'indurimento<\/li>\n<li data-section-id=\"q7pjqd\" data-start=\"1626\" data-end=\"1683\">Assicurarsi che il rivestimento rientri nell'intervallo tipico (25-250 \u00b5m)<\/li>\n<\/ul>\n<p data-start=\"1685\" data-end=\"1770\">Uno spessore errato pu\u00f2 causare problemi di prestazioni anche se la copertura sembra accettabile.<\/p>\n<p data-start=\"1772\" data-end=\"1809\"><strong data-start=\"1772\" data-end=\"1809\">Test funzionali ed elettrici<\/strong><\/p>\n<p data-start=\"1811\" data-end=\"1861\">Alcuni difetti del rivestimento si manifestano solo durante il funzionamento:<\/p>\n<ul data-start=\"1863\" data-end=\"2005\">\n<li data-section-id=\"ytss8d\" data-start=\"1863\" data-end=\"1896\">Test di resistenza dell'isolamento<\/li>\n<li data-section-id=\"u9slxx\" data-start=\"1897\" data-end=\"1948\">Test ad alta tensione (per perdite o guasti)<\/li>\n<li data-section-id=\"jjqctq\" data-start=\"1949\" data-end=\"2005\">Test di stress ambientale (umidit\u00e0, temperatura)<\/li>\n<\/ul>\n<p data-start=\"2007\" data-end=\"2099\">Questi test verificano se <a href=\"https:\/\/txjpcba.com\/it\/rivestimento-conformale\/\"><strong data-start=\"2034\" data-end=\"2055\">Rivestimento conforme<\/strong><\/a> si sta comportando correttamente in condizioni reali.<\/p>\n<p data-start=\"2101\" data-end=\"2139\"><strong data-start=\"2101\" data-end=\"2139\">Difetti comuni del rivestimento da ricercare<\/strong><\/p>\n<ul data-start=\"2141\" data-end=\"2324\">\n<li data-section-id=\"19ugpah\" data-start=\"2141\" data-end=\"2166\"><strong data-start=\"2143\" data-end=\"2164\">Bolle e vuoti<\/strong><\/li>\n<li data-section-id=\"m0f5w1\" data-start=\"2167\" data-end=\"2194\"><strong data-start=\"2169\" data-end=\"2192\">Crepe o spellature<\/strong><\/li>\n<li data-section-id=\"165wx1v\" data-start=\"2195\" data-end=\"2215\"><strong data-start=\"2197\" data-end=\"2213\">Delaminazione<\/strong><\/li>\n<li data-section-id=\"1rsu3vs\" data-start=\"2216\" data-end=\"2250\"><strong data-start=\"2218\" data-end=\"2248\">Ombreggiatura (aree non rivestite)<\/strong><\/li>\n<li data-section-id=\"82r0oh\" data-start=\"2251\" data-end=\"2288\"><strong data-start=\"2253\" data-end=\"2286\">Sovraverniciatura di parti critiche<\/strong><\/li>\n<li data-section-id=\"9v47fd\" data-start=\"2289\" data-end=\"2324\"><strong data-start=\"2291\" data-end=\"2322\">Contaminazione sotto il rivestimento<\/strong><\/li>\n<\/ul>\n<p data-start=\"2326\" data-end=\"2400\">Il rilevamento precoce aiuta a ridurre la rilavorazione e a migliorare la resa in <strong data-start=\"2383\" data-end=\"2399\">Assemblaggio di PCB<\/strong>.<\/p>\n<p data-start=\"2402\" data-end=\"2441\"><strong data-start=\"2402\" data-end=\"2441\">Le migliori pratiche per il rilevamento dei difetti<\/strong><\/p>\n<ul data-start=\"2443\" data-end=\"2658\">\n<li data-section-id=\"1ygsxy2\" data-start=\"2443\" data-end=\"2502\">Combinare pi\u00f9 metodi di ispezione (UV + AOI + visiva)<\/li>\n<li data-section-id=\"13aw78d\" data-start=\"2503\" data-end=\"2553\">Standardizzare i criteri e le procedure di ispezione<\/li>\n<li data-section-id=\"pgw4df\" data-start=\"2554\" data-end=\"2596\">Formazione degli operatori e manutenzione delle attrezzature<\/li>\n<li data-section-id=\"1448fz6\" data-start=\"2597\" data-end=\"2658\">Integrare l'ispezione in linea in <a href=\"https:\/\/txjpcba.com\/it\/servizi-di-assemblaggio-smt\/\"><strong data-start=\"2630\" data-end=\"2646\">Assemblaggio SMT<\/strong><\/a> processi<\/li>\n<\/ul>\n<p data-start=\"2660\" data-end=\"2674\"><strong data-start=\"2660\" data-end=\"2674\">Conclusione<\/strong><\/p>\n<p data-start=\"2676\" data-end=\"3002\">L'individuazione dei difetti del rivestimento richiede una combinazione di metodi di ispezione visiva, UV, automatizzata e funzionale. In <strong data-start=\"2789\" data-end=\"2805\">Assemblaggio di PCB<\/strong>, <strong data-start=\"2807\" data-end=\"2823\">Assemblaggio SMT<\/strong>, e <strong data-start=\"2829\" data-end=\"2853\">Assemblaggio di PCB chiavi in mano<\/strong>, Un solido processo di ispezione assicura che <strong data-start=\"2896\" data-end=\"2917\">Rivestimento conforme<\/strong> \u00e8 applicato correttamente, prevenendo i guasti e migliorando l'affidabilit\u00e0 complessiva del prodotto.<\/p>\n<div style=\"background: #f8f8f8; border: 1px solid #e5e5e5; padding: 25px; margin-top: 30px; border-radius: 6px;\">\n<div style=\"text-align: center;\">\n<h3 style=\"margin-bottom: 10px; font-size: 22px;\">Richiedete un preventivo per il rivestimento conforme<\/h3>\n<p style=\"font-size: 15px; color: #555; margin-bottom: 15px;\">Siete pronti a iniziare il vostro progetto di rivestimento conforme? 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Se avete requisiti specifici sui materiali di rivestimento (ad esempio, HumiSeal), indicatelo nella casella dei commenti.<\/div><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-2237-field_3-container { position: absolute !important; overflow: hidden !important; display: inline !important; height: 1px !important; width: 1px !important; z-index: -1000 !important; padding: 0 !important; } #wpforms-2237-field_3-container input { visibility: hidden; } #wpforms-conversational-form-page #wpforms-2237-field_3-container label { counter-increment: none; }' ) );\n\t\t\t\t\tdocument.head.appendChild( style );\n\t\t\t\t\tdocument.currentScript?.remove();\n\t\t\t\t} )();\n\t\t\t<\/script><\/div><!-- .wpforms-field-container --><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"2237\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/posts\/5233\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-2237\" class=\"wpforms-submit\" aria-live=\"assertive\" value=\"wpforms-submit\">Invia<\/button><img decoding=\"async\" src=\"https:\/\/txjpcba.com\/wp-content\/plugins\/wpforms\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Caricamento\"><\/div><input type=\"hidden\" name=\"trp-form-language\" value=\"it\"\/><\/form><\/div>  <!-- .wpforms-container --><\/div>\n<p style=\"font-size: 13px; color: #888; margin-top: 15px; text-align: center;\">Shenzhen Tengxinjie Electronics Co., Ltd.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Detect coating defects Detecting defects in Conformal Coating is essential to ensure reliability and performance in PCB Assembly and SMT [&hellip;]<\/p>","protected":false},"author":1,"featured_media":5235,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[71,256],"tags":[621,620,396,397,398,622],"class_list":["post-5233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faqs","category-conformal-coating","tag-conformal-coating-defects","tag-detect-coating-defects","tag-pcb-protection-spray","tag-pcb-protective-coating-spray","tag-pcb-resin-coating","tag-uv-inspection-pcb"],"_links":{"self":[{"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/posts\/5233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/comments?post=5233"}],"version-history":[{"count":1,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/posts\/5233\/revisions"}],"predecessor-version":[{"id":5236,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/posts\/5233\/revisions\/5236"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/media\/5235"}],"wp:attachment":[{"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/media?parent=5233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/categories?post=5233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/tags?post=5233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}