Systematical determination of tolerances for additive manufacturing by measuring linear dimensions

T. Lieneke, G. Adam, S. Leuders, F. Knoop, S. Josupeit, P. Delfs, N. Funke, D. Zimmer, in: 26th Annual International Solid Freeform Fabrication Symposium, 2015, pp. 371–384.

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Abstract
Additive manufacturing offers many technical and economical benefits. In order to profit from these benefits, it is necessary to consider the manufacturing limits and restrictions. This applies in particular to the geometrical accuracy. Therefore, the achievable geometrical accuracy needs to be investigated, which enables the determination of realistic tolerances. Thus, two different aims are considered. The first aim is the determination of dimensional tolerances that can be stated if additive manufacturing is used under normal workshop conditions. Within the second aim, relevant process parameters and manufacturing influences will be optimized in order to reduce dimensional deviations. To achieve both aims a method was developed first. This method identifies relevant influential factors on the geometrical accuracy for the processes Fused Deposition Modeling (FDM), Laser Sintering (LS) and Laser Melting (LM). Factors were selected that are expected to affect the geometrical accuracy mainly. The first investigations deal with measuring linear dimensions on a designed test specimen and the derivation of achievable dimensional tolerances. This paper will present both, the developed method and the first results of the experimental investigations.
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Proceedings Title
26th Annual International Solid Freeform Fabrication Symposium
Volume
26
Page
371-384
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Lieneke T, Adam G, Leuders S, et al. Systematical determination of tolerances for additive manufacturing by measuring linear dimensions. In: 26th Annual International Solid Freeform Fabrication Symposium. Vol 26. ; 2015:371-384. doi:https://www.researchgate.net/publication/316827402_Systematical_Determination_of_Tolerances_for_Additive_Manufacturing_by_Measuring_Linear_Dimensions
Lieneke, T., Adam, G., Leuders, S., Knoop, F., Josupeit, S., Delfs, P., … Zimmer, D. (2015). Systematical determination of tolerances for additive manufacturing by measuring linear dimensions. In 26th Annual International Solid Freeform Fabrication Symposium (Vol. 26, pp. 371–384). https://www.researchgate.net/publication/316827402_Systematical_Determination_of_Tolerances_for_Additive_Manufacturing_by_Measuring_Linear_Dimensions
@inproceedings{Lieneke_Adam_Leuders_Knoop_Josupeit_Delfs_Funke_Zimmer_2015, title={Systematical determination of tolerances for additive manufacturing by measuring linear dimensions}, volume={26}, DOI={https://www.researchgate.net/publication/316827402_Systematical_Determination_of_Tolerances_for_Additive_Manufacturing_by_Measuring_Linear_Dimensions}, booktitle={26th Annual International Solid Freeform Fabrication Symposium}, author={Lieneke, Tobias and Adam, Guido and Leuders, Stefan and Knoop, Frederick and Josupeit, Stefan and Delfs, Patrick and Funke, Nils and Zimmer, Detmar}, year={2015}, pages={371–384} }
Lieneke, Tobias, Guido Adam, Stefan Leuders, Frederick Knoop, Stefan Josupeit, Patrick Delfs, Nils Funke, and Detmar Zimmer. “Systematical Determination of Tolerances for Additive Manufacturing by Measuring Linear Dimensions.” In 26th Annual International Solid Freeform Fabrication Symposium, 26:371–84, 2015. https://www.researchgate.net/publication/316827402_Systematical_Determination_of_Tolerances_for_Additive_Manufacturing_by_Measuring_Linear_Dimensions.
T. Lieneke et al., “Systematical determination of tolerances for additive manufacturing by measuring linear dimensions,” in 26th Annual International Solid Freeform Fabrication Symposium, 2015, vol. 26, pp. 371–384.
Lieneke, Tobias, et al. “Systematical Determination of Tolerances for Additive Manufacturing by Measuring Linear Dimensions.” 26th Annual International Solid Freeform Fabrication Symposium, vol. 26, 2015, pp. 371–84, doi:https://www.researchgate.net/publication/316827402_Systematical_Determination_of_Tolerances_for_Additive_Manufacturing_by_Measuring_Linear_Dimensions.

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