Performance of Resins for Stereolithography Printers in Jewelry Casting Applications: A Qualitative Assessment

IF 2.6 3区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING International Journal of Metalcasting Pub Date : 2024-08-19 DOI:10.1007/s40962-024-01440-3
Ferrufino-Rojas Juan-Manuel, Ruiz-Calleja Tamara
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Abstract

This research analyzes the technical feasibility of manufacturing jewelry castings using the lost wax technique, substituting wax by the use of resins within the framework of 3D stereolithography printers. To achieve this goal, a pair of distinct 3D ring designs have been crafted: a robust signet ring and an intricate filigree ring. The purpose behind this decision is to determine whether the unique features of these two different designs have any noticeable effect on the result. Five different commercial resins have been utilized, with one of them explicitly formulated for casting purposes. Non-castable resins generate a unique, weathered appearance, due to the variability in ash residue within the mold after resin combustion, yielding unpredictable outcomes and diverse sample characteristics such as grainy texture, cracks, and a corroded effect. Examining the castable resin reveals its optimal performance for smaller elements like the filigree ring, showcasing remnants of supports or layers originating from the resin's printer curing process. On the contrary, larger resin-abundant objects like the signet ring result in notable flaws, attributed to gas accumulation within the mold, exerting internal pressure and causing mold rupture, leading to metal leakage.

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立体光刻打印机树脂在珠宝铸造应用中的性能:定性评估
这项研究分析了使用失蜡技术制造珠宝铸件的技术可行性,即在三维立体光刻打印机框架内使用树脂替代蜡。为了实现这一目标,我们制作了一对独特的三维戒指设计:一个坚固的标志戒指和一个复杂的花丝戒指。做出这一决定的目的是为了确定这两种不同设计的独特性是否会对结果产生明显的影响。我们使用了五种不同的商用树脂,其中一种是专门为铸造目的而配制的。由于树脂燃烧后模具内残留灰烬的变化,不可浇铸树脂产生了独特的风化外观,产生了不可预测的结果和不同的样品特征,如颗粒纹理、裂缝和腐蚀效果。通过对可浇注树脂的研究,我们可以发现,对于像花丝环这样的较小部件来说,可浇注树脂具有最佳的性能,因为树脂在打印机固化过程中会残留支撑物或层。相反,像印章戒指这样树脂含量较高的大型物件则会出现明显的缺陷,原因是模具内气体积聚,产生内部压力,导致模具破裂,从而导致金属泄漏。
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来源期刊
International Journal of Metalcasting
International Journal of Metalcasting 工程技术-冶金工程
CiteScore
4.20
自引率
42.30%
发文量
174
审稿时长
>12 weeks
期刊介绍: The International Journal of Metalcasting is dedicated to leading the transfer of research and technology for the global metalcasting industry. The quarterly publication keeps the latest developments in metalcasting research and technology in front of the scientific leaders in our global industry throughout the year. All papers published in the the journal are approved after a rigorous peer review process. The editorial peer review board represents three international metalcasting groups: academia (metalcasting professors), science and research (personnel from national labs, research and scientific institutions), and industry (leading technical personnel from metalcasting facilities).
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