3D打印PLA冲击强度研究:零件取向、填充方式和填充率的影响

Q4 Engineering
Harshit K. Dave, Naushil H. Patadiya, Shilpesh R. Rajpurohit, Ashish R. Prajapati, Harit K. Raval
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引用次数: 0

摘要

由于其易于操作和低成本,熔融沉积建模(FDM)是一种广泛适用的3D打印工艺。本文采用FDM技术研究了工艺参数对FDM制备的聚乳酸(PLA)材料冲击强度的影响。测试样品在不同的构建参数下打印,包括填充图案,零件方向和填充密度。制备的零件进行了Izod冲击试验,以确定其冲击性能。结果表明,X取向印刷的试样通常比Z取向印刷的试样具有更好的冲击性能。直线型结构和较高的填充密度表现出较高的冲击强度。此外,对试件的断裂表面进行了扫描电镜分析,以评估构建条件对试件破坏机制的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation on impact strength of 3D printed PLA: effect of part orientation, infill pattern and infill percentage
Fused deposition modelling (FDM) is an extensively adapted 3D printing process owing to its ease of operation and low cost. In the present work, the FDM technique was used to examine effect of the processing parameters on the impact strength of FDM manufactured polylactic acid (PLA) material. Test specimens were printed while varying build parameters, including infill pattern, part orientation and infill density. The prepared parts were subjected to Izod impact test to determine the impact properties. It is observed that specimens printed in X orientation usually displayed better impact properties than the specimen oriented in the Z orientation. The rectilinear pattern and higher infill density displayed higher impact strength. Furthermore, SEM analysis on the specimen's fractured surface was done to evaluate the impact of build conditions on the failure mechanism of samples.
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来源期刊
International Journal of Manufacturing Technology and Management
International Journal of Manufacturing Technology and Management Engineering-Industrial and Manufacturing Engineering
CiteScore
0.70
自引率
0.00%
发文量
6
期刊介绍: IJMTM is a refereed and authoritative source of information in the field of manufacturing technology and management and related areas.
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