{"id":3362,"date":"2025-06-06T06:48:31","date_gmt":"2025-06-06T06:48:31","guid":{"rendered":"https:\/\/www.carbon-fiber-corp.com\/?p=3362"},"modified":"2026-10-09T05:06:43","modified_gmt":"2026-10-09T05:06:43","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e8%b6%8a%e6%9d%a5%e8%b6%8a%e5%a4%9a%e7%9a%84%e5%b7%a5%e7%a8%8b%e5%b8%88%e5%b0%86%e6%9c%aa%e6%9d%a5%e8%87%aa%e8%a1%8c%e8%bd%a6%e8%ae%be%e8%ae%a1%e7%9a%84%e9%87%8d%e5%bf%83","status":"publish","type":"post","link":"https:\/\/www.carbon-fiber-corp.com\/zh\/%e4%b8%ba%e4%bb%80%e4%b9%88%e8%b6%8a%e6%9d%a5%e8%b6%8a%e5%a4%9a%e7%9a%84%e5%b7%a5%e7%a8%8b%e5%b8%88%e5%b0%86%e6%9c%aa%e6%9d%a5%e8%87%aa%e8%a1%8c%e8%bd%a6%e8%ae%be%e8%ae%a1%e7%9a%84%e9%87%8d%e5%bf%83\/","title":{"rendered":"\u78b3\u7ea4\u7ef4\u81ea\u884c\u8f66\u5185\u80ce\uff1a\u5916\u5f62\u5e76\u975e\u5c42\u538b\u7ed3\u6784\u7684\u51b3\u5b9a\u56e0\u7d20"},"content":{"rendered":"\n<style>.single-post .entry-header{display:flex;flex-direction:column}.single-post .entry-header .entry-title{order:-1;margin-top:0;margin-bottom:25px}.single-post .entry-header .entry-meta{display:none}.single-post .entry-header .post-thumb-img-content img{width:100%;height:auto;max-height:420px;object-fit:contain;background:#f5f3ef}.single-post .entry-title{font-size:clamp(1.8rem,3vw,2.65rem);line-height:1.18}.ly-editorial{max-width:860px;margin:0 auto;line-height:1.8;color:#26343c}.ly-editorial h2{font-size:1.55rem;line-height:1.3;margin:2em 0 .7em}.ly-editorial .ly-short-answer{font-size:1.12rem;border-left:4px solid #842e42;background:#f6f4f0;padding:22px 26px}.ly-editorial .ly-byline,.ly-editorial figcaption,.ly-editorial .ly-photo-note{font-size:.86rem;color:#657078}.ly-editorial figure{margin:32px 0}.ly-editorial figure img{width:100%;height:auto}.ly-editorial table{border-collapse:collapse;width:100%;font-size:.96rem}.ly-editorial th,.ly-editorial td{border:1px solid #d9dfe1;padding:13px 16px;text-align:left;vertical-align:top}.ly-editorial th{background:#f3f5f5;width:29%}.ly-editorial .ly-reading{background:#f5f6f6;padding:20px 25px;margin-top:28px}.ly-editorial .ly-reading h2{margin-top:0}.ly-editorial .ly-contact{border-top:1px solid #d9dfe1;margin-top:30px;padding-top:24px}.ly-editorial a{text-decoration:underline;text-underline-offset:3px}.ly-editorial .button{color:white;background:#842e42;text-decoration:none}.ly-editorial .ly-byline a{color:inherit}@media(max-width:600px){.ly-editorial .ly-short-answer{padding:18px;font-size:1rem}.ly-editorial th,.ly-editorial td{padding:10px;font-size:.88rem}.ly-editorial .ly-reading{padding:18px}}<\/style><div class=\"ly-editorial\"><p class=\"ly-byline\">Tubes &amp; Interfaces \u00b7 Editorial guide by <a href=\"https:\/\/www.carbon-fiber-corp.com\/about\/\">Litian Yunde<\/a> \u00b7 Updated 9 October 2026<\/p><p class=\"ly-photo-note\">Carbon fiber bicycle frame showing its tube arrangement.<\/p><p class=\"ly-short-answer\">Two bicycle tubes can have similar outer shapes while using different internal constructions. A surface photograph is useful for appearance, but it cannot specify the laminate or prove its mechanical performance.<\/p><h2>Separate geometry from construction<\/h2><p>Use drawings to describe the outer envelope and interfaces. Keep material and laminate requirements in a controlled specification appropriate to the design. The visible weave should not be used as a shortcut for wall construction, fibre grade or the direction of hidden plies.<\/p><h2>Ask for evidence at the relevant level<\/h2><p>A material certificate concerns the identified material; a component evaluation concerns a particular part and condition. When a construction changes, record the change and the required review rather than assuming the previous result still applies. Avoid choosing an unverified wall thickness from an online photograph.<\/p><h2>Example scenario<\/h2><p>The visible woven face is retained while the internal construction changes. An appearance sample can still match, but the material definition is different. Keep surface approval separate from acceptance of the revised construction and its supporting evidence.<\/p><h2>Points to record<\/h2><table><tbody><tr><th scope=\"row\">Outer geometry<\/th><td>Define the envelope and mating features.<\/td><\/tr><tr><th scope=\"row\">Construction reference<\/th><td>Identify the controlled material and laminate specification.<\/td><\/tr><tr><th scope=\"row\">Evidence level<\/th><td>Distinguish material data from component results.<\/td><\/tr><\/tbody><\/table><figure><img decoding=\"async\" src=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-editorial-20261009-review-3362.webp\" alt=\"Scope guide: Outer geometry: Define the envelope and mating features.; Construction reference: Identify the controlled material and laminate specification.; Evidence level: Distinguish material data from component results.\" width=\"1440\" height=\"960\" loading=\"lazy\"><figcaption>Carbon Fiber Bicycle Tubes: Outer Shape Does Not Define the Laminate \u2014 the three review points in this article.<\/figcaption><\/figure><section class=\"ly-reading\"><h2>Related reading<\/h2><ul><li><a href=\"https:\/\/www.carbon-fiber-corp.com\/buying-carbon-fiber-tubes-ask-about-construction-not-just-weave\/\">Buying Carbon Fiber Tubes: Ask About Construction, Not Just Weave<\/a><\/li><li><a href=\"https:\/\/www.carbon-fiber-corp.com\/carbon-fiber-bicycle-frame-enquiries-organise-the-interface-data\/\">Carbon Fiber Bicycle Frame Enquiries: Organise the Interface Data<\/a><\/li><\/ul><p>Background reference: <a href=\"https:\/\/www.gurit.com\/products-and-materials\/\">Gurit \u2014 Composite Materials<\/a>.<\/p><\/section><div class=\"ly-contact\"><h2>Discuss the component requirements<\/h2><p>Send the part drawing and the requirements relevant to this guide for a scope review.<\/p><a class=\"button\" href=\"https:\/\/www.carbon-fiber-corp.com\/contact\/\">Contact Litian Yunde<\/a><p><a href=\"https:\/\/www.carbon-fiber-corp.com\/carbon-fiber-guides\/\">Browse the knowledge centre<\/a><\/p><\/div><\/div>\n<script type=\"application\/ld+json\" class=\"ly-article-schema\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BlogPosting\", \"@id\": \"https:\/\/www.carbon-fiber-corp.com\/why-more-engineers-are-betting-on-carbon-fiber-in-aerospace-for-the-future-of-bike-design\/#article\", \"headline\": \"Carbon Fiber Bicycle Tubes: Outer Shape Does Not Define the Laminate\", \"description\": \"Two bicycle tubes can have similar outer shapes while using different internal constructions.\", \"image\": [\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2025\/06\/tan-xian-wei-zi-xing-che-jia-05.webp\", \"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-editorial-20261009-review-3362.webp\"], \"datePublished\": \"2025-06-06T06:48:31Z\", \"dateModified\": \"2026-10-09T05:06:38Z\", \"mainEntityOfPage\": {\"@type\": \"WebPage\", \"@id\": \"https:\/\/www.carbon-fiber-corp.com\/why-more-engineers-are-betting-on-carbon-fiber-in-aerospace-for-the-future-of-bike-design\/\"}, \"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\": \"Tubes & Interfaces\"}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Two bicycle tubes can have similar outer shapes while using different internal constructions. A surface photograph is useful for appearance, but it cannot specify the laminate or prove its mechanical performance.<\/p>","protected":false},"author":1,"featured_media":3172,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Carbon Fiber Bicycle Tubes | Litian Yunde","_seopress_titles_desc":"Two bicycle tubes can have similar outer shapes while using different internal constructions.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"36","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"https:\/\/www.carbon-fiber-corp.com\/why-more-engineers-are-betting-on-carbon-fiber-in-aerospace-for-the-future-of-bike-design\/","_seopress_social_fb_title":"Carbon Fiber Bicycle Tubes: Outer Shape Does Not Define the 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bicycle tubes can have similar outer shapes while using different internal constructions. A surface photograph is useful for appearance, but it cannot specify the laminate or prove its mechanical performance.","_links":{"self":[{"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/posts\/3362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/comments?post=3362"}],"version-history":[{"count":3,"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/posts\/3362\/revisions"}],"predecessor-version":[{"id":3891,"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/posts\/3362\/revisions\/3891"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/media\/3172"}],"wp:attachment":[{"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/media?parent=3362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/categories?post=3362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/zh\/wp-json\/wp\/v2\/tags?post=3362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}