Improvements in Injection Moulds Cooling and Manufacturing Efficiency Achieved by Wire Arc Additive Manufacturing Using Conformal Cooling Concept.

IF 4.7 3区工程技术 Q1 POLYMER SCIENCE

Polymers Pub Date : 2024-10-30 DOI:10.3390/polym16213057

Alejandro Marqués, Jose Antonio Dieste, Iván Monzón, Alberto Laguía, Pascual Gracia, Carlos Javierre, Isabel Clavería, Daniel Elduque

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引用次数: 0

Abstract

The plastic injection moulding industry is a constantly developing industrial field. This industrial process requires the manufacturing of metal moulds using complex heating and cooling systems. The purpose of this research is to optimize both the plastic injection moulding process and the mould manufacturing process itself by combining practices in this industry with current additive manufacturing technologies, specifically Wire Arc Additive Manufacturing (WAAM) technology. A mould punch was manufactured by using both WAAM technology, whose internal cooling system has been designed under the concept of Conformal Cooling, and conventional cooling channel designs and manufacturing techniques in order to carry out a comparative analysis. Theoretical results obtained by CAE methods showed an improvement in heat extraction in the WAAM mould. In addition, the WAAM mould was able to achieve better temperature homogeneity in the final part, minimizing deformations in the final part after extraction. Finally, the WAAM manufacturing process was proven to be more efficient in terms of material consumption than the conventional mould, reducing the buy-to-fly ratio of the part by 5.11.

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采用共形冷却概念的线弧快速成型技术提高了注塑模具的冷却和制造效率。

注塑成型工业是一个不断发展的工业领域。这一工业流程需要使用复杂的加热和冷却系统制造金属模具。本研究的目的是通过将注塑成型工艺与当前的快速成型技术（特别是线弧快速成型技术）相结合，优化注塑成型工艺和模具制造工艺本身。为了进行比较分析，采用 WAAM 技术（其内部冷却系统是根据共形冷却概念设计的）和传统的冷却通道设计和制造技术制造了一个模具冲头。通过 CAE 方法获得的理论结果表明，WAAM 模具的散热效果有所改善。此外，WAAM 模具还能在最终零件中实现更好的温度均匀性，最大限度地减少最终零件在萃取后的变形。最后，WAAM 制造工艺在材料消耗方面比传统模具更有效率，零件的买飞比降低了 5.11。

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

Polymers POLYMER SCIENCE-

CiteScore

8.00

自引率

16.00%

发文量

4697

审稿时长

1.3 months

期刊介绍： Polymers (ISSN 2073-4360) is an international, open access journal of polymer science. It publishes research papers, short communications and review papers. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Polymers provides an interdisciplinary forum for publishing papers which advance the fields of (i) polymerization methods, (ii) theory, simulation, and modeling, (iii) understanding of new physical phenomena, (iv) advances in characterization techniques, and (v) harnessing of self-assembly and biological strategies for producing complex multifunctional structures.