Automated Process Planning for Embossing and Functionally Grading Materials via Site-Specific Control in Large-Format Metal-Based Additive Manufacturing

被引:3
作者
Borish, Michael [1 ]
Gibson, Brian T. [1 ]
Adkins, Cameron [1 ]
Mhatre, Paritosh [1 ]
机构
[1] Oak Ridge Natl Lab, Knoxville, TN 37932 USA
关键词
slicing; embossing; additive manufacturing; large-format DED; MICROSTRUCTURAL CONTROL;
D O I
10.3390/ma15124152
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The potential for site-specific, process-parameter control is an attribute of additive manufacturing (AM) that makes it highly attractive as a manufacturing process. The research interest in the functionally grading material properties of numerous AM processes has been high for years. However, one of the issues that slows developmental progress in this area is process planning. It is not uncommon for manual programming methods and bespoke solutions to be utilized for site-specific control efforts. This article presents the development of slicing software that contains a fully automated process planning approach for enabling through-thickness, process-parameter control for a range of AM processes. The technique includes the use of parent and child geometries for controlling the locations of site-specific parameters, which are overlayed onto unmodified toolpaths, i.e., a vector-based planning approach is used in which additional information, such as melt pool size for large-scale metal AM processes, is assigned to the vectors. This technique has the potential for macro- and micro-structural modifications to printed objects. A proof-of-principle experiment is highlighted in which this technique was used to generate dynamic bead geometries that were deposited to induce a novel surface embossing effect, and additional software examples are presented that highlight software support for more complex objects.
引用
收藏
页数:11
相关论文
共 44 条
[1]  
Aggarangsi P., 2004, Solid Freeform Fabrication Proceedings, P163
[2]  
Aggarangsi P., 2003, Solid Freeform Fabrication Proceedings, P196
[3]   Conformal additive manufacturing using a direct-print process [J].
Alkadi, Faez ;
Lee, Kyung-Chang ;
Bashiri, Abdullateef H. ;
Choi, Jae-Won .
ADDITIVE MANUFACTURING, 2020, 32
[4]  
[Anonymous], 2019, P P INT SOL FREEF FA
[5]   A voxel-based method of constructing and skinning conformal and functionally graded lattice structures suitable for additive manufacturing [J].
Aremu, A. O. ;
Brennan-Craddock, J. P. J. ;
Panesar, A. ;
Ashcroft, I. A. ;
Hague, R. J. M. ;
Wildman, R. D. ;
Tuck, C. .
ADDITIVE MANUFACTURING, 2017, 13 :1-13
[6]   Making data matter: Voxel printing for the digital fabrication of data across scales and domains [J].
Bader, Christoph ;
Kolb, Dominik ;
Weaver, James C. ;
Sharma, Sunanda ;
Hosny, Ahmed ;
Costa, Joao ;
Oxman, Neri .
SCIENCE ADVANCES, 2018, 4 (05)
[7]  
BENTLEY JL, 1979, IEEE T COMPUT, V28, P643, DOI 10.1109/TC.1979.1675432
[8]   The role of process variables in laser-based direct metal solid freeform fabrication [J].
Beuth, J ;
Klingbeil, N .
JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY, 2001, 53 (09) :36-39
[9]  
Birnbaum A., 2003, Solid Freeform Fabrication Proceedings, Austin, TX, P328
[10]   Embedded product authentication codes in additive manufactured parts: Imaging and image processing for improved scan ability [J].
Chen, Fei ;
Zabalza, Jaime ;
Murray, Paul ;
Marshall, Stephen ;
Yu, Jian ;
Gupta, Nikhil .
ADDITIVE MANUFACTURING, 2020, 35