{"id":4703,"date":"2026-10-25T22:05:00","date_gmt":"2026-10-25T14:05:00","guid":{"rendered":"https:\/\/www.carbon-fiber-corp.com\/composite-mould-vents-delivered-openings\/"},"modified":"2026-10-25T22:05:00","modified_gmt":"2026-10-25T14:05:00","slug":"composite-mould-vents-delivered-openings","status":"publish","type":"post","link":"https:\/\/www.carbon-fiber-corp.com\/it\/composite-mould-vents-delivered-openings\/","title":{"rendered":"Vents in a Composite Mould: Distinguish Tool Features from Delivered Openings"},"content":{"rendered":"<style>.ly-note{max-width:880px;margin:0 auto;color:#26333c;line-height:1.85;font-size:17px}.ly-note h2{font-size:1.5rem;line-height:1.35;margin:1.8em 0 .6em}.ly-note p{margin:0 0 1.2em}.ly-note .intro{font-size:1.08em}.ly-note figure{margin:2em 0}.ly-note figure img{display:block;width:100%;height:auto}.ly-note figcaption{font-size:.88rem;color:#60727d;line-height:1.55;margin-top:10px}.ly-note ul{padding-left:1.4em}.ly-note li{margin:.45em 0}.ly-note a{color:#8e1e34;text-decoration:underline;text-underline-offset:3px}.ly-note .notes{padding:20px 28px;background:#f0f4f5;border-left:3px solid #296c85;margin:2em 0}.ly-note .notes h2{font-size:1.1rem;margin:0 0 .8em}.ly-note .reading{border-top:1px solid #d9e1e5;margin-top:2em;padding-top:1.1em}.single-post .entry-title{font-size:clamp(1.8rem,3.8vw,2.6rem);line-height:1.25}.single-post .post-thumb-img-content img{width:100%;height:auto;max-height:360px;object-fit:contain;background:#fbfcfc}@media(max-width:600px){.ly-note{font-size:16px}.ly-note h2{font-size:1.3rem}.ly-note .notes{padding:17px}}<\/style><div class=\"ly-note\"><p class=\"intro\">A vent in the manufacturing tool and an opening required in the delivered carbon fiber part have different purposes. Label them separately in the process review. A hole drawn on a tooling sketch should not silently become an opening on the product drawing.<\/p><h2>Identify which object contains the feature<\/h2><p>Use separate views or clear labels for the mould and the finished component. Show whether a proposed passage belongs only to the tool, to a process connection, or to the supplied part. Keep any connection to a disposable process material identifiable too.<\/p><h2>Define the intended delivered condition<\/h2><p>Ask what remains at the corresponding part location after demoulding and finishing. If the route produces local material that must be removed, include that operation and its boundary in the proposal. Do not assume the customer will remove a process-related feature that the quote never mentions.<\/p><h2>Agree the review before tooling release<\/h2><p>Resolve differences between the tooling proposal and the product definition while both can still be changed deliberately. A tool vent is not a substitute for a specified drainage or ventilation opening in the installed product. Conversely, closing a delivered opening cannot be treated as a harmless tooling adjustment when it changes the required component.<\/p><figure><a href=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-05-vent-2.webp\" aria-label=\"Open the full-size diagram\"><img src=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-05-vent-2.webp\" alt=\"Tool features, temporary process connections and permanent product openings have different destinations.\" width=\"1600\" height=\"1000\" loading=\"lazy\" decoding=\"async\"><\/a><figcaption>Tool features, temporary process connections and permanent product openings have different destinations. <a href=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-05-vent-2.webp\">View full size<\/a>.<\/figcaption><\/figure><aside class=\"notes\"><h2>Useful information for an enquiry<\/h2><ul><li>Tool view and product view<\/li><li>Process passage identity<\/li><li>Delivered condition and finishing scope<\/li><li>Resolved tooling-to-part differences<\/li><\/ul><\/aside><div class=\"reading\"><p>Related: <a href=\"https:\/\/www.carbon-fiber-corp.com\/carbon-fiber-shell-moulded-machined-openings\/\">Moulded Openings or Machined Openings in Carbon Fiber Shells?<\/a> \u00b7 <a href=\"https:\/\/www.carbon-fiber-corp.com\/carbon-fiber-ply-drop-off-transition-layout\/\">Ply Drop-Offs in Carbon Fiber Parts: Show Which Layers End in the Transition<\/a>.<\/p><p><a href=\"https:\/\/www.carbon-fiber-corp.com\/contact\/\">Discuss your component with Litian Yunde<\/a> \u00b7 <a href=\"https:\/\/www.carbon-fiber-corp.com\/carbon-fiber-guides\/\">Browse the component guides<\/a><\/p><\/div><\/div><script type=\"application\/ld+json\" class=\"ly-article-schema\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BlogPosting\", \"@id\": \"https:\/\/www.carbon-fiber-corp.com\/composite-mould-vents-delivered-openings\/#article\", \"headline\": \"Vents in a Composite Mould: Distinguish Tool Features from Delivered Openings\", \"description\": \"Separate vents in composite tooling from openings required in the delivered carbon fiber part. Define process features, finishing scope and the final condition.\", \"image\": [\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-05-vent-1.webp\", \"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-05-vent-2.webp\"], \"datePublished\": \"2026-10-25T14:05:00Z\", \"mainEntityOfPage\": {\"@type\": \"WebPage\", \"@id\": \"https:\/\/www.carbon-fiber-corp.com\/composite-mould-vents-delivered-openings\/\"}, \"author\": {\"@type\": \"Organization\", \"name\": \"Litian Yunde\", \"url\": \"https:\/\/www.carbon-fiber-corp.com\/about\/\"}, \"publisher\": {\"@type\": \"Organization\", \"name\": \"Dongguan Litian Yunde New Materials Technology Co., Ltd.\", \"url\": \"https:\/\/www.carbon-fiber-corp.com\/\"}, \"inLanguage\": \"en\", \"articleSection\": \"Manufacturing & Tooling\"}<\/script>","protected":false},"excerpt":{"rendered":"<p>A vent in the manufacturing tool and an opening required in the delivered carbon fiber part have different purposes. Label them separately in the process review. A hole drawn on a tooling sketch should not silently become an opening on the product drawing.<\/p>","protected":false},"author":1,"featured_media":4666,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Composite Mould Vents and Delivered Part Openings | Litian Yunde","_seopress_titles_desc":"Separate vents in composite tooling from openings required in the delivered carbon fiber part. 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