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Modelling curved-layered printing paths for fabricating large-scale construction components

机译:为弯曲分层印刷路径建模,用于制造大型建筑构件

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摘要

In this paper, a non-conventional way of additive manufacturing, curved-layered printing, has been applied to large-scale construction process. Despite the number of research works on Curved Layered Fused Deposition Modelling (CLFDM) over the last decade, few practical applications have been reported. An alternative method adopting the CLFDM principle, that generates a curved-layered printing path, was developed using a single scripting environment called Grasshopper – a plugin of Rhinoceros®. The method was evaluated with the 3D Concrete Printing process developed at Loughborough University. The evaluation of the method including the results of simulation and printing revealed three principal benefits compared with existing flat-layered printing paths, which are particularly beneficial to large-scale AM techniques: (i) better surface quality, (ii) shorter printing time and (iii) higher surface strengths.
机译:在本文中,一种非常规的增材制造方法,即弯曲层印刷,已被应用于大规模的建筑过程。尽管在过去十年中进行了有关弯曲分层熔融沉积建模(CLFDM)的研究工作,但实际应用却很少。另一种采用CLFDM原理的方法可以生成弯曲的打印路径,该方法是使用称为Grasshopper(Rhinoceros®的插件)的单个脚本环境开发的。该方法通过拉夫堡大学开发的3D混凝土印刷工艺进行了评估。对该方法的评估(包括模拟和印刷结果)表明,与现有的平层印刷路径相比,它具有三个主要优点,这些优点特别适用于大规模AM技术:(i)更好的表面质量,(ii)较短的印刷时间和(iii)更高的表面强度。

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