Optimizing the structure accuracy by changing the scanning strategy using selective laser melting
- 175 Downloads
The roughness of both side and top surface and geometric tolerance affected by the scanning strategy using selective laser melting (SLM) processed by Ti6Al4V alloy were systematically studied. The specimens with a special shape were designed and produced by SLM to investigate the influence of dimension and structure accuracy. The experimental results indicated that the roughness of side and top surface was governed by the scanning strategy, especially the side surface. It shows a significant change of the surface roughness when changing the scanning direction. Some of the geometric tolerance, such as flatness and straightness, were also affected by the scanning strategy. Then the dimension accuracy was researched and showed little variation when changing scanning strategy.
KeywordsSelective laser melting Ti6Al4V powder Scanning strategy Structure accuracy
Unable to display preview. Download preview PDF.
This study is supported by the Ministry of Education’s Joint Fund for Pre-research Project.
- 7.Bai JM, Zhang BC, Song J, Bi GJ, Wang P, Wei J (2016) The effect of processing conditions on the mechanical properties of polyethylene produced by selective laser sintering. Polym Test 52:89–93. https://doi.org/10.1016/j.polymertesting.2016.04.004 CrossRefGoogle Scholar
- 11.Murr LE, Quinones SA, Gaytan SM, Lopez MI, Rodela A, Martinez EY, Hernandez DH, Martinez E, Medina F, Wicker RB (2009) Microstructure and mechanical behavior of Ti–6Al–4V produced by rapid-layer manufacturing, for biomedical applications. J Mech Behav Biomed Mater 2(1):20–32. https://doi.org/10.1016/j.jmbbm.2008.05.004 CrossRefGoogle Scholar
- 14.Calignano F, Lorusso M, Pakkanen J, Trevisan F, Ambrosio EP, Manfredi D, Fino P (2017) Investigation of accuracy and dimensional limits of part produced in aluminum alloy by selective laser melting. Int J Adv Manuf Technol 88(1–4):451–458. https://doi.org/10.1007/s00170-016-8788-9 CrossRefGoogle Scholar