Optimized build orientation of additive manufactured parts for improved surface quality and build time

P. Delfs, M. Tows, H.-J. Schmid, Additive Manufacturing 2 (2016) 214–320.

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Journal Article | English
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Abstract
The layered structure of Additive Manufacturing processes results in a stair- stepping effect of the surface topographies. In general, the impact of this effect strongly depends on the build angle of a surface, whereas the overall surface roughness is additionally caused by the resolution of the specific AM process. The aim of this work is the prediction of the surface quality in dependence of the building orientation of a part. These results can finally be used to optimize the orientation to get a desired surface quality. As not all parts of the component surface are equally important, a preselection of areas can be used to improve the overall surface quality of relevant areas. The model uses the digital AMF format of a part. Each triangle is assigned with a roughness value and by testing different orientations the best one can be found. This approach needs a database for the surface qualities. This must be done separately for each Additive Manufacturing process and is shown exemplarily with a surface topography simulation for the laser sintering process.
Publishing Year
Journal Title
Additive Manufacturing
Volume
2
Issue
12, Part B
Page
214-320
ISBN
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Delfs P, Tows M, Schmid H-J. Optimized build orientation of additive manufactured parts for improved surface quality and build time. Additive Manufacturing. 2016;2(12, Part B):214-320. doi:10.1016/j.addma.2016.06.003
Delfs, P., Tows, M., & Schmid, H.-J. (2016). Optimized build orientation of additive manufactured parts for improved surface quality and build time. Additive Manufacturing, 2(12, Part B), 214–320. https://doi.org/10.1016/j.addma.2016.06.003
@article{Delfs_Tows_Schmid_2016, title={Optimized build orientation of additive manufactured parts for improved surface quality and build time}, volume={2}, DOI={10.1016/j.addma.2016.06.003}, number={12, Part B}, journal={Additive Manufacturing}, publisher={Elsevier}, author={Delfs, Patrick and Tows, Marcel and Schmid, Hans-Joachim}, year={2016}, pages={214–320} }
Delfs, Patrick, Marcel Tows, and Hans-Joachim Schmid. “Optimized Build Orientation of Additive Manufactured Parts for Improved Surface Quality and Build Time.” Additive Manufacturing 2, no. 12, Part B (2016): 214–320. https://doi.org/10.1016/j.addma.2016.06.003.
P. Delfs, M. Tows, and H.-J. Schmid, “Optimized build orientation of additive manufactured parts for improved surface quality and build time,” Additive Manufacturing, vol. 2, no. 12, Part B, pp. 214–320, 2016.
Delfs, Patrick, et al. “Optimized Build Orientation of Additive Manufactured Parts for Improved Surface Quality and Build Time.” Additive Manufacturing, vol. 2, no. 12, Part B, Elsevier, 2016, pp. 214–320, doi:10.1016/j.addma.2016.06.003.

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