[{"data":1,"prerenderedAt":99},["ShallowReactive",2],{"content-\u002Fen\u002Flearn\u002Fblog\u002Findustrial-3d-printing-of-pekk-duqueine-pays-basque-chooses-lynxter-technology-to-manufacture-complex-composite-subassemblies":3},{"id":4,"title":5,"blocks":6,"body":81,"category":87,"date":9,"description":10,"extension":88,"image":89,"isDraft":72,"isMenu":72,"isOutfit":72,"isPage":72,"lang":90,"meta":91,"metaTitle":92,"navigation":33,"path":93,"seo":94,"stem":95,"translationKey":96,"type":97,"__hash__":98},"content\u002Fen\u002F6.learn\u002F1.blog\u002Findustrial-3d-printing-of-pekk-duqueine-pays-basque-chooses-lynxter-technology-to-manufacture-complex-composite-subassemblies.md","Industrial 3D Printing of PEKK : DUQUEINE Pays basque chooses Lynxter technology to manufacture complex composite subassemblies. ",[7,14,25,34,40,48,54,60,66,73],{"type":8,"title":5,"date":9,"description":10,"image":11},"BlogDefault","24\u002F09\u002F2026","In the aerospace industry, precision is non-negotiable. It is on this very ground that our filament 3D printing technology has just proven its worth, meeting a technical challenge that the market had not previously been able to solve. DUQUEINE Pays basque, a specialist in composite materials processing, carries out the machining and assembly of high-value-added parts for its client ImaginAir. ImaginAir, for its part, is a recognized player in the development and production of cabin furniture for the aerospace industry.",{"src":12,"alt":13},"6.duqueine_pekk_insitu.webp","PEKK3DPRINTER",{"type":15,"colors":16,"subTitleGTAmerica":19,"subtitle":20,"nbZones":21,"paragraph":24},"Highlights",{"background":17,"front":18},"grey25","greyLynxter","","key points",[22,23],"1","4","\u003Cul>\u003Cli>\u003Cstrong>A highly demanding industrial requirement\u003C\u002Fstrong>: Duqueine needed to assemble aluminum and composite parts for the premium\u002Fbusiness-class cabin interiors of the Boeing 777X with an accuracy of 0.10 mm, while withstanding more than 3 hours at 150°C in an autoclave.\u003C\u002Fli>\u003Cli>\u003Cstrong>A 3D printed PEKK solution\u003C\u002Fstrong>: Lynxter proposed PEKK assembly pins, 3D printed on the S300X – FIL11 | FIL11. PEKK combines thermal resistance, mechanical strength, and chemical inertness, while 3D printing enables precise and repeatable geometries.\u003C\u002Fli>\u003Cli>\u003Cstrong>Improved production accuracy and reliability\u003C\u002Fstrong>: The new 3D printed PEKK pins improve part retention and positioning, delivering an approximately 1 mm improvement in dimensional accuracy compared with previous solutions.\u003C\u002Fli>\u003C\u002Ful>",{"type":26,"title":19,"subtitle":27,"paragraph":28,"buttonTitle":19,"buttonLink":19,"image":29,"imageCaption":32,"fatImage":33},"MidRight","A highly demanding requirement","\u003Cp>\u003Ca href=\"https:\u002F\u002Fwww.duqueine.fr\u002F\" rel=\"noopener noreferrer\" target=\"_blank\">DUQUEINE Basque Country\u003C\u002Fa>, a recognized expert in the manufacture of composite parts for the aerospace industry, asked us  to design assembly pins intended for the production of series-built furniture for the premium and business interior cabins of the Boeing 777X, an aircraft currently in development. The key constraint: precisely assembling multiple materials in an environment with demanding pressure and temperature conditions. \u003C\u002Fp>",{"alt":30,"src":31},"PEKK printed on the S300X - FIL11 | FIL11","duqueine_imaginair_insitu_v2.webp","View of the finished premium cabin furniture @imaginAir.",true,{"type":35,"title":19,"subtitle":19,"paragraph":36,"buttonTitle":19,"buttonLink":19,"image":37,"imageCaption":38,"fatImage":33},"MidLeft","\u003Cp>The technical challenge is simple: guide the assembly of a machined aluminum fitting onto a composite panel. The specifications, however, are not. The fitting must be positioned with an accuracy of 0.10 mm. The assembly then spends more than 3 hours in an autoclave at 150 °C, and the process must be repeatable over time, with production cycles running at 4 units of furniture per week, independent of the operator’s skill level.\u003C\u002Fp>\u003Cp>The tooling used must therefore provide positioning precision, good temperature resistance, and be easy and quick to produce. \u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"alt":38,"src":39},"Duqueine’s autoclave","4.duqueine_resistance_machine.webp",{"type":26,"title":19,"subtitle":41,"paragraph":42,"buttonTitle":43,"buttonLink":44,"image":45,"imageCaption":46,"fatImage":33},"The solution : a PEKK pin printed with the IDEX S300X – FIL11 | FIL11 printer","\u003Cp>Duqueine had developed an assembly pin to bridge the two materials. The material used in the initial solution, PCTFE, had precision issues, and the production team was not satisfied with the results. They turned to PEKK, a resistant material, and ordered a first batch from us for testing. The PEKK pins were printed on the \u003Ca href=\"https:\u002F\u002Flynxter.com\u002Fen\u002F3d-printers\u002Fspecialized\u002Fs300x-fil11-or-fil11-filament\" rel=\"noopener noreferrer\" target=\"_blank\">S300X – FIL11 | FIL11\u003C\u002Fa>, our filament 3D printing machine with a high-precision IDEX configuration particularly well suited to high-performance technical polymers. \u003C\u002Fp>","More about the printer","https:\u002F\u002Flynxter.com\u002Fen\u002F3d-printers\u002Fspecialized\u002Fs300x-fil11-or-fil11-filament",{"alt":46,"src":47},"3D printing of PEKK pins on the S300X - FIL11 | FIL11","5.lynxter_pekk_print.webp",{"type":35,"title":19,"subtitle":19,"paragraph":49,"buttonTitle":19,"buttonLink":19,"image":50,"imageCaption":53,"fatImage":33},"\u003Cp>PEKK is one of the few materials that combines thermal resistance above 150 °C, excellent mechanical strength under load, and chemical inertness compatible with structural bonding environments.\u003C\u002Fp>\u003Cp>The pin here plays the role of an interface: it allows two incompatible materials to be joined together, a recurring issue in complex interior aerospace assemblies. The precision of the S300X - FIL11 | FIL11 makes it possible to print this assembly pin repeatably, fully meeting the required dimensional constraints and geometric tolerances.\u003C\u002Fp>",{"alt":51,"src":52},"PEKK-printed pins ready for use","2.duqueine_prepa_process.webp","PEKK printed pins ready for use",{"type":26,"title":19,"subtitle":55,"paragraph":56,"buttonTitle":19,"buttonLink":19,"image":57,"imageCaption":58,"fatImage":33},"An assembly improvement to guarantee part conformity","\u003Cp>Choosing additive manufacturing makes it possible to quickly produce different types of guides, tailored to the specific needs of the assembly process. This solution also offers an advantage in terms of lead time and cost.\u003C\u002Fp>\u003Cp>Similar guides had previously been made from PACF and TPU, but their behavior did not fully meet the process requirements, leading to quality issues.\u003C\u002Fp>\u003Cp>The PEKK guide improves the assembly and provides better part retention, thereby ensuring its conformity throughout the process. In particular, this solution improves dimensional accuracy by around 1 mm compared with previously used solutions.\u003C\u002Fp>\u003Cp>The PEKK guide thus makes the assembly more reliable for all operators and ensures correct positioning of the part throughout the autoclave curing stage.\u003C\u002Fp>\u003Cp>\u003C\u002Fp>",{"alt":58,"src":59},"Installing the PEKK pins","pigeenpekk.webp",{"type":35,"title":19,"subtitle":61,"paragraph":62,"buttonTitle":19,"buttonLink":19,"image":63,"imageCaption":19,"fatImage":33},"A technology built for aerospace","\u003Cp>This project concretely illustrates the value of PEKK 3D printing for series-production tooling. Where materials commonly used in 3D printing reach their limits : in temperature, chemical compatibility, or geometric precision, PEKK printed on the  \u003Ca href=\"https:\u002F\u002Flynxter.com\u002Fen\u002F3d-printers\u002Fspecialized\u002Fs300x-fil11-or-fil11-filament\" rel=\"noopener noreferrer\" target=\"_blank\">S300X – FIL11 | FIL11\u003C\u002Fa> opens up new possibilities.\u003C\u002Fp>\u003Cp>We are proud to support DUQUEINE Basque Country  in this industrial success, and to contribute, piece by piece, to the excellence of the French aerospace industry.\u003C\u002Fp>",{"alt":64,"src":65},"Cabine d'avion","8.duqueine_pièce_finale.webp",{"type":26,"title":19,"subtitle":67,"paragraph":68,"buttonTitle":19,"buttonLink":19,"image":69,"imageCaption":70,"fatImage":72},"About DUQUEINE Basque Country","\u003Cp>\u003Ca href=\"https:\u002F\u002Fwww.duqueine.fr\u002F\" rel=\"noopener noreferrer\" target=\"_blank\">DUQUEINE Group\u003C\u002Fa> places high-performance composites expertise at the heart of its business. Drawing on several decades of experience and innovation, the group designs advanced solutions: optimized part design (“design to cost”), tooling adapted to the process and quantities to be produced, and the complete production line.\u003C\u002Fp>",{"alt":70,"src":71},"Inside Duqueine’s workshops","7.duqueine_ambiance.webp",false,{"type":35,"title":19,"subtitle":74,"paragraph":75,"buttonTitle":76,"buttonLink":77,"image":78,"imageCaption":79,"fatImage":33},"IDEX THERMOPLASTIC 3D PRINTER","\u003Cp>The S300X – FIL11 | FIL11 is a high-speed industrial IDEX 3D printer, equipped with two independent print heads for increased productivity, quick print head change, and compatibility with a wide variety of high-performance thermoplastics.\u003C\u002Fp>","request a quote ","contact",{"alt":79,"src":80},"S300X - FIL11 | FIL11 IDEX 3D Printer","fil_blog.webp",{"type":82,"value":83,"toc":84},"minimark",[],{"title":19,"searchDepth":85,"depth":85,"links":86},2,[],"Use cases","md",{"src":12,"alt":13},"en",{},"Industrial 3D Printing of PEKK ","\u002Fen\u002Flearn\u002Fblog\u002Findustrial-3d-printing-of-pekk-duqueine-pays-basque-chooses-lynxter-technology-to-manufacture-complex-composite-subassemblies",{"title":5,"description":10},"en\u002F6.learn\u002F1.blog\u002Findustrial-3d-printing-of-pekk-duqueine-pays-basque-chooses-lynxter-technology-to-manufacture-complex-composite-subassemblies","DUQUEINE","TechArticle","PIJ2orE0_fbD2WdlFFjLI-YnWrTBB6rf_i2JNuN6pPM",1790591607482]