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首页> 外文期刊>SAMPE Journal >CFRP SANDWICH STRUCTURES Automaton 4.0 of CFRP Sandwich Structures Using Polymer Foams as Core Material for the Aerospace Industry
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CFRP SANDWICH STRUCTURES Automaton 4.0 of CFRP Sandwich Structures Using Polymer Foams as Core Material for the Aerospace Industry

机译：CFRP夹层结构Automaton 4.0 CFRP夹层结构，使用聚合物泡沫作为航空航天工业的核心材料

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摘要

Use of composites in the aircraft industry is steadily gaining in popularity, but with increasing build rates, composite part manufacturers are challenged with finding ways to produce components in higher volumes at the lowest possible cost in the shortest amount of time, with final component weights that are equal or even less than currently is the industry norm. Lay-up techniques like Automated Fiber Placement may be the answer for simple monolithic designs, but building geometrically complex parts requires a more creative solution. With the goal of identifying a new method to build complex composite parts quickly and efficiently, the team of Evonik Industries, Composite Technology Center (an Airbus Company), and the German Aerospace Center (DLR) conducted a study that combined rigid core material for sandwich design with an automated part preforming infusion (RTM) production process. A nose landing gear door (NLGD) of a single aisle aircraft was used as the study demonstrator. The study shows that there are convincing cost and efficiency advantages (e.g. process time reduction of -65%) when using rigid structural foam in automated high volume production of geometrically complex sandwich composites. Additional, the structural weight of a NLGD can be decreased by -20% by using polymer foam as compared to conventional core materials, like honeycomb. The study not only confirms the successful combination of lightweight rigid foam cores and automatization processes, but also shows a quality concept that ensures a reliable process with no need for additional quality NDI steps in between. The used polymer foam has been proven to be a highly stable material that can be easily moved and accurately positioned every time using a robotic arm. Potential aircraft structures could include flaps, spoilers, main landing gear doors and others.
机译：None

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  • 来源
    《SAMPE Journal》 |2021年第1期|共6页
  • 作者

    Roth M. Alexander; Lang Uwe;

  • 作者单位

    Evonik Resource Efficiency GmbH High Performance Polymers Performance Foams Kirschenallee Darmstadt Germany;

    Evonik Resource Efficiency GmbH High Performance Polymers Performance Foams Kirschenallee Darmstadt Germany;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 航空;
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