Design, calibration and performance evaluation of a small-scale 3D printer for accelerating research in additive manufacturing in construction

IF 5.3 Q2 ENGINEERING, ENVIRONMENTAL
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引用次数: 0

Abstract

3D printing in construction presents numerous advantages, such as geometric flexibility, potential cost and time savings, the incorporation of recycled and sustainable materials, and reduced waste, thereby reducing the construction sector's environmental impact. Despite these advantages, the widespread adoption of AM in construction faces hurdles, primarily due to the prohibitive costs of large-scale concrete printers — typically ranging from $180,000 to over $1 million — and technological constraints that impede research and development efforts within the construction sector. To address these challenges, our study focuses on designing, developing, calibrating and evaluating an affordable lab-scale 3D printer specifically tailored for cement-based materials, aiming to lower the entry barrier for AM research in construction. This paper presents a proof-of-concept for a simple, yet functional printing technology that meet the requirements for research studies. The study details the development process, from the conceptual design to the calibration of printing parameters. The development process included the assessment of preliminary extrusion system designs integrated with the motion systems of a fused deposition modeling 3D printer. Subsequently, material studies were carried out to determine optimal material mix compositions and ratios. A comprehensive calibration of printing parameters using statistical analysis was proposed to ensure consistent and quality printing. The printability and applicability of the proposed small-scale 3D printer were assessed by printing samples and testing their thermal properties. Cost analysis showed that the proposed 3D printer, costing $273, offers benefits compared to existing market alternatives. The study illustrates the potential of small-scale 3D printers to facilitate construction research and practices, thereby promoting the development of sustainable construction methods.

小型 3D 打印机的设计、校准和性能评估,以加速建筑业增材制造的研究
三维打印技术在建筑领域的应用具有诸多优势,例如几何形状的灵活性、潜在的成本和时间节约、采用可回收和可持续材料以及减少浪费,从而降低建筑行业对环境的影响。尽管具有这些优势,但在建筑领域广泛采用 AM 技术仍面临重重障碍,主要原因是大型混凝土打印机的成本过高(通常从 18 万美元到 100 多万美元不等),以及技术限制阻碍了建筑领域的研发工作。为了应对这些挑战,我们的研究重点是设计、开发、校准和评估专门为水泥基材料定制的经济型实验室级三维打印机,旨在降低建筑领域 AM 研究的准入门槛。本文介绍了一种简单但功能强大的打印技术的概念验证,该技术可满足研究调查的要求。研究详细介绍了从概念设计到校准打印参数的开发过程。开发过程包括评估与熔融沉积建模三维打印机运动系统集成的初步挤出系统设计。随后,进行了材料研究,以确定最佳的材料混合成分和比例。此外,还利用统计分析对打印参数进行了全面校准,以确保打印的一致性和质量。通过打印样品并测试其热性能,评估了所建议的小型三维打印机的可打印性和适用性。成本分析表明,拟议的三维打印机成本为 273 美元,与市场上现有的替代品相比具有优势。这项研究说明了小型三维打印机在促进建筑研究和实践方面的潜力,从而推动了可持续建筑方法的发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Cleaner Engineering and Technology
Cleaner Engineering and Technology Engineering-Engineering (miscellaneous)
CiteScore
9.80
自引率
0.00%
发文量
218
审稿时长
21 weeks
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