{"id":1660,"date":"2022-05-30T07:40:57","date_gmt":"2022-05-30T12:40:57","guid":{"rendered":"https:\/\/cqfa.quebec\/?p=1660"},"modified":"2022-07-27T14:09:11","modified_gmt":"2022-07-27T19:09:11","slug":"3d-printing-to-help-shape-braided-composites","status":"publish","type":"post","link":"https:\/\/cqfa.quebec\/en\/3d-printing-to-help-shape-braided-composites\/","title":{"rendered":"3D printing to help shape braided composites"},"content":{"rendered":"<p><em> <span class=\"fontstyle0\">Laboratoire de Structures de Fibres et Composites Avanc\u00e9s (labSFCA, Polytechnique Montr\u00e9al), Centre Technologique en A\u00e9rospatiale (CTA), CTT Group (gCTTg), Sph\u00e8reCo Technologies Inc. (April 2018 to October 2021)<\/span><\/em><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"fontstyle0\">Objectives<\/span><\/h2>\n<p><span class=\"fontstyle0\"><br \/>\n<\/span><span class=\"fontstyle1\">To 3D print prototype tooling for robotic braiding assistance and for resin vacuum infusion moulding, that would use to develop aeronautical parts.<\/span><\/p>\n<h2><span class=\"fontstyle1\"><br \/>\n<\/span><span class=\"fontstyle0\">Background<\/span><\/h2>\n<p><span class=\"fontstyle0\"><br \/>\n<\/span><span class=\"fontstyle3\">Commercial aircraft are currently made with several composite components. The aircraft\u2019s structural composite parts are made from carbon fibres bonded by a polymer matrix. To produce these parts, the fibres are first assembled with an organized woven reinforcement. This reinforcement is then draped over the tooling before transferring a liquid polymeric resin to impregnate the carbon fibres. Heat treatment is then used to cross-link or solidify the resin. Each stage of this process is validated through the production of parts in an effort to maintain their quality, repeatability and performance while ensuring passenger safety. These validations require tooling that can cause development costs to balloon. The four project partners therefore joined forces to develop a composite aircraft fuselage frame. The objective was to reduce tooling and prototyping costs with 3D printing.<\/span><\/p>\n<h2><span class=\"fontstyle3\"><br \/>\n<\/span><span class=\"fontstyle0\">The challenge<\/span><\/h2>\n<p><span class=\"fontstyle0\"><br \/>\n<\/span><span class=\"fontstyle3\">The composite fabric, also known as fibrous reinforcement, is made using a braiding machine that interweaves carbon threads to shape a three-dimensional braid. The threads are deposited on a moving mandrel through a braiding machine using a 6-axis robot. But the mandrel\u2019s design creates challenges in terms of its size and mass. The alignment of sections must be perfect and free of surface defects to avoid damaging the deposited carbon fibres. The tooling used to manufacture the vacuum infusion composite also creates challenges. Process temperatures reach 180\u00b0C. The tooling\u2019s mechanical strength must be guaranteed under these conditions. Another challenge involves the tooling\u2019s thermal expansion control (<\/span><span class=\"fontstyle4\">\u03b1<\/span><span class=\"fontstyle3\">therm<\/span><span class=\"fontstyle3\">); it can induce deformations in the manufactured part because the polymers\u2019 <\/span><span class=\"fontstyle4\">\u03b1<\/span><span class=\"fontstyle3\">therm <\/span><span class=\"fontstyle3\">is greater than that of metals. Attention is given to any possible dependence between the printing orientation and the tooling\u2019s <\/span><span class=\"fontstyle4\">\u03b1<\/span><span class=\"fontstyle3\">therm<\/span><span class=\"fontstyle3\">. In addition, the polymer tooling interface must be inert to the part\u2019s consumables and materials, here the infusion resin. The final challenge involves the temporal evolution of the tooling\u2019s geometric integrity.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p class=\"link-btn-style btn-yellow\"><a href=\"https:\/\/cqfa.quebec\/en\/etude-de-cas_moules-tresses_ang\/\" target=\"_blank\" rel=\"noopener\">Read the case study<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Laboratoire de Structures de Fibres et Composites Avanc\u00e9s (labSFCA, Polytechnique Montr\u00e9al), Centre Technologique en A\u00e9rospatiale (CTA), CTT Group (gCTTg), Sph\u00e8reCo Technologies Inc. (April 2018 to October 2021) &nbsp; Objectives To [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1660","post","type-post","status-publish","format-standard","hentry","category-case-studies"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>3D printing to help shape braided composites - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cqfa.quebec\/en\/3d-printing-to-help-shape-braided-composites\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3D printing to help shape braided composites - CQFA - Carrefour qu\u00e9b\u00e9cois de la fabrication additive\" \/>\n<meta property=\"og:description\" content=\"Laboratoire de Structures de Fibres et Composites Avanc\u00e9s (labSFCA, Polytechnique Montr\u00e9al), Centre Technologique en A\u00e9rospatiale (CTA), CTT Group (gCTTg), Sph\u00e8reCo Technologies Inc. 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