The Characteristic of Overhang Object to Material Usage on FDM 3D Printing Technology

R. D. Bintara, A. Aminnudin, D. Prasetiyo, Ferian Rizki Arbianto
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引用次数: 3

Abstract

Fuse Deposition Modeling (FDM) 3D printing is one of additive manufacturing technology which physical 3D model is build up layer by layer. The support structure is almost involved on the process if overhang shape is met on the 3D model. It has main function to prevent the 3D printed model from collapsing. Commonly, the single material source of FDM 3D printer machine is to supply building two structure, structure of main 3D object and support structure. Hence, our goal optimizes the using of support material for reducing the main material usage. Furthermore, the sixteen of variation overhang angle is set to the 3D model. All models are printed into two kind of 3D printed model, printed model with support structure addition and without support addition. The weight of each 3D printed model is measured by weight scale with accuracy of tool is 10 -4 g. Then the quality and the weight of 3D printed model are compared and analyzed. The result shows that the average overweight of 3D printed model with support structure addition is 40.41% than without support structure addition. Furthermore, there are several the 3D printed models without support structure that fail printed on variety model with 0° until 11° of overhang angle. The conclusion of this study is that the support structure can prevent the 3D printed model from collapsing but it does not need be built up if the overhang angle more than 11°.
FDM三维打印技术中物体对材料使用的悬垂特性
熔融沉积建模(FDM)三维打印是一种将物理三维模型逐层建立起来的增材制造技术。如果在3D模型上满足悬挑形状,那么支撑结构几乎参与了该过程。它的主要功能是防止3D打印模型塌陷。通常,FDM 3D打印机的单一材料来源是为建筑物提供两种结构,主要的3D对象结构和支撑结构。因此,我们的目标是优化支撑材料的使用,以减少主要材料的使用。此外,对3D模型设置了十六种变化的悬挑角。所有模型都打印成两种3D打印模型,即添加支撑结构的打印模型和不添加支撑的打印模型。每个三维打印模型的重量都是用重量秤测量的,工具的精度为10-4g。然后对3D打印模型的质量和重量进行了比较和分析。结果表明,添加支撑结构的3D打印模型的平均超重率为40.41%。此外,还有一些没有支撑结构的3D打印模型无法打印在悬垂角度为0°至11°的各种模型上。本研究的结论是,支撑结构可以防止3D打印模型倒塌,但如果悬挑角度超过11°,则不需要建立支撑结构。
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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24 weeks
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