旋转摩擦焊接参数对相似/不相似材料挤压 (MEX) 三维打印部件的连接强度和圆柱度的影响研究

IF 3.8 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Vivek Kumar Tiwary , Arunkumar P․ , Vinayak R. Malik
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引用次数: 0

摘要

材料挤压(MEX)三维打印技术通过逐层打印的方式,将数字设计转化为有形的创新成果,为制造业带来了一场革命。然而,阻碍该技术应用的一个重要问题是,由于机器的床身较小,打印尺寸有限。可以使用适当的聚合物连接技术作为制造后步骤来规避这一问题。本文探讨了通过旋转摩擦焊接(SFW)技术连接 MEX-3D 打印部件的相关研究结果,这些部件由普遍偏爱的热塑性塑料丙烯腈-丁二烯-苯乙烯(ABS)和聚乳酸(PLA)制成。利用实验设计 (DOE)、田口设计和方差分析 (ANOVA) 等统计工具确定并优化了工艺中的关键参数。结果表明,材料组合类型和周边壳体数量对焊接接头强度和圆柱度的影响最大,从而使接头效率高达 93.16%。将研究结果应用于管道服务鞍点部分的焊接,焊缝显示出良好的强度和完整性,进一步证实了研究的实用性。通过所建议的方法,预计在未来,连接和焊接程序将获得更多的认可,特别是 SFW 在连接圆柱形和旋转 MEX-3D 打印部件方面将大有可为。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigations on the effect of Spin Friction Welding parameters on joint strength and cylindricity of similar/dissimilar Material Extrusion (MEX) 3D printed parts

Material Extrusion (MEX) 3D printing is revolutionizing manufacturing by transforming digital designs into tangible innovations by its layer-by-layer approach. However, an important issue impeding the adoption of this technology is the limited size of the prints due to the machine's small bed. An appropriate polymer joining technique can be used as a post-fabrication step to circumvent this issue. This paper explores the findings related to the joining of MEX-3D printed parts fabricated from generally preferred thermoplastics, Acrylonitrile Butadiene Styrene (ABS), and Polylactic acid (PLA) by the Spin Friction Welding (SFW) technique. The critical parameters involved in the process are identified and optimized using statistical tools including Design of Experiments (DOE), Taguchi, and Analysis of Variance (ANOVA). The results revealed that the type of material combination as well as the number of perimeter shells had the highest effect on the joint strength and cylindricity of the welds, resulting in the joint efficiency going up to 93.16 %. The practicability of the research was further approved by implementing the results to weld the sections of a service saddle point of a pipeline, wherein the weld displayed good strength and integrity. With the suggested method, it is expected that in the future, joining and welding procedures will gain more acceptance with SFW in particular showing great promise for joining cylindrical and rotary MEX-3D printed parts.

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来源期刊
CiteScore
7.10
自引率
9.80%
发文量
58
审稿时长
44 days
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