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首页> 外文期刊>Rapid prototyping journal >Additive manufacturing infill optimization for automotive 3D-printed ABS components
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Additive manufacturing infill optimization for automotive 3D-printed ABS components

机译：适用于汽车3D印刷ABS组件的增材制造填充优化

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Purpose Lightweighting of components in the automotive industry is a prevailing trend influenced by both consumer demand and government regulations. As the viability of additively manufactured designs continues to increase, traditionally manufactured components are continually being replaced with 3D-printed parts. The purpose of this paper is to present experimental results and design considerations for 3D-printed acrylonitrile butadiene styrene (ABS) components with non-solid infill sections, addressing a large gap in the literature. Information published in this paper will guide engineers when designing fused deposition modeling (FDM) ABS parts with infill regions. Design/methodology/approach Uniaxial tensile tests and three-point bend tests were performed on 12 different build configurations of 20 samples. FDM with ABS was used as the manufacturing method for the samples. Failure strength and elastic modulus were normalized on print time and specimen mass to quantify variance between configurations. Optimal infill configurations were selected and used in two automotive case study examples. Findings Results obtained from the uniaxial tensile tests and three-point bend tests distinctly showed that component strength is highly influenced by the infill choice selected. Normalized results indicate that solid, double dense and triangular infill, all with eight contour layers, are optimal configurations for component regions experiencing high stress, moderate stress and low stress, respectively. Implementation of the optimal infill configurations in automotive examples yielded equivalent failure strength without normalization and significantly improved failure strength on a print time and mass normalized index. Originality/value To the best of the authors' knowledge, this is the first paper to experimentally determine and quantify optimal infill configurations for FDM ABS printed parts. Published data in this paper are also of value to engineers requiring quantitative material properties for common infill configurations.
机译：目的在汽车工业中的组件轻量化是消费者需求和政府法规的盛行趋势。随着加累积制造设计的可行性继续增加，传统制造的部件不断用3D印刷部件替换。本文的目的是提出具有非固体填充部分的3D印刷丙烯腈丁二烯苯乙烯（ABS）组分的实验结果和设计考虑，在文献中解决了大的差距。本文发布的信息将在设计具有填充区域的熔融沉积建模（FDM）ABS零件时指导工程师。设计/方法/方法单轴拉伸试验和三点弯曲试验在12个不同的20个样品的12种不同的构建配置中进行。使用ABS的FDM用作样品的制造方法。在打印时间和标本质量上标准化失效强度和弹性模量，以定量配置之间的差异。选择最佳填充配置，并用于两个汽车案例研究示例。从单轴拉伸试验和三点弯曲试验中获得的结果明显地获得了组分强度受到选择的填充选择的高度影响。标准化结果表明，固体，双致密和三角形填充物，含有八个轮廓层，是经历高应力，中等应力和低应力的组件区域的最佳配置。在汽车示例中的最佳填充配置的实施产生了等效的故障强度而无规范化，并且在打印时间和质量标准化指数上显着提高了失效强度。原创性/价值是最好的作者知识，这是第一篇用于通过实验确定和量化FDM ABS印刷部件的最佳填充配置的论文。本文的已发布数据对需要用于常见填充配置的定量材料特性的工程师的价值。

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