Additive manufacturing advancement through large-scale screw-extrusion 3D printing for precision parawood powder/PLA furniture production

IF 5.3 Q2 ENGINEERING, ENVIRONMENTAL Cleaner Engineering and Technology Pub Date : 2024-05-21 DOI:10.1016/j.clet.2024.100753
Chakrit Suvanjumrat , Kanchanabhorn Chansoda , Watcharapong Chookaew
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Abstract

In this paper, a large-scale screw-extrusion 3D printer specifically tailored for additive manufacturing applications is introduced, primarily focusing on crafting parawood powder/polylactic acid (PLA) furniture. Boasting a large build volume (700 × 700 × 700 mm3), the printer incorporates a meticulously designed screw extruder to ensure the precise feeding of composite material pellets. The investigation delves into the nuanced relationship between variations in the extruder nozzle orifice diameter and the resulting impact on the extrusion rate, directly correlating these variations with the motor speed. Additionally, the influence of the parawood powder/PLA ratio is explored through comprehensive mechanical property testing of the printed specimens. Optimal outcomes were attained with a 15 %w/w parawood powder composition, yielding an impressive ultimate strength of 54 MPa under specific printing conditions. The efficacy of the large-scale screw-extrusion 3D printer was robustly validated through the successful production of a parawood powder/PLA stacking chair, meeting the criteria stipulated in the Thai industrial standard. Furthermore, an identified parawood powder/PLA component, characterized by a rectangular cylinder with a cross-sectional area of 19.4 × 24.0 mm2, holds promising potential for versatile applications in furniture assembly. This innovative extrusion 3D printing approach, combined with meticulously optimized parameters, has unequivocal potential for manufacturing a diverse array of parawood powder/PLA furniture, elevating the value of parawood byproducts and contributing to waste reduction during processing.

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通过大规模螺旋挤压 3D 打印技术推进增材制造技术,用于生产精密 Parawood 粉末/PLA 家具
本文介绍了一种专门为增材制造应用定制的大型螺杆挤出三维打印机,主要用于制作刨花板粉末/聚乳酸(PLA)家具。该打印机拥有较大的构建体积(700 × 700 × 700 mm3),采用了精心设计的螺杆挤出机,以确保复合材料颗粒的精确进料。研究深入探讨了挤出机喷嘴孔径变化与挤出速率影响之间的微妙关系,并将这些变化与电机转速直接联系起来。此外,还通过对打印试样进行全面的机械性能测试,探讨了对位木粉/聚乳酸比例的影响。在特定的印刷条件下,15%w/w 的刨花板粉末成分达到了最佳效果,产生了 54 兆帕的惊人极限强度。通过成功生产出符合泰国工业标准规定的对伞木粉/聚乳酸(PLA)堆叠椅,大规模螺旋挤压式三维打印机的功效得到了有力的验证。此外,已确定的一种对伞木粉/PLA 部件的横截面积为 19.4 × 24.0 mm2,呈矩形圆柱体,有望在家具组装中得到广泛应用。这种创新的挤出 3D 打印方法与精心优化的参数相结合,具有制造各种对位木粉末/PLA 家具的明确潜力,可提高对位木副产品的价值,并有助于减少加工过程中的废物。
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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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