Investigation of the electrophotographic powder deposition through a transfer grid for efficient additive manufacturing

Kopp SP, Stichel T, Roth S, Schmidt M (2020)

Publication Language: English

Publication Type: Journal article

Publication year: 2020

Journal

Procedia CIRP Curran

Book Volume: 94

Pages Range: 122-127

DOI: 10.1016/j.procir.2020.09.024

Abstract

Until today, the electrophotographic transfer of toner powders has been applied successfully in common printing technology for many years. Utilizing the electrophotographic principle for the transfer of polymer powders in the context of additive manufacturing can give a variety of advantages like e.g. the possibility of generating multi-material components or a reduced consumption of powder.


Here, the multiple depositions of powder particle-layers via electrostatic forces to create 3D objects have turned out to be a major challenge. Therefore, a new strategy based on the usage of a grounded transfer grid is examined. Due to its positioning above the generated layers, it makes the powder deposition independent of the already produced part height. For improving the particle transfer, geometrical properties of the grid are analyzed with respect to their influence on the efficiency of the powder deposition. Here, particular attention is paid to the manipulation of the electric transfer field, which is applied for accelerating the charged powder particles. The aim is to enhance the coverage and dimensional accuracy of the deposited powder layers by finding a new transfer structure.


Authors with CRIS profile

Sebastian-Paul Kopp Lehrstuhl für Photonische Technologien Michael Schmidt Lehrstuhl für Photonische Technologien

Additional Organisation(s)

Erlangen Graduate School in Advanced Optical Technologies Lehrstuhl für Photonische Technologien Sonderforschungsbereich 814/3 Additive Fertigung

Related research project(s)

Efficient additive manufacturing of multi-material parts (B6) (SFB 814 (B6)) CRC 814 - Additive Manufacturing (SFB 814) July 1, 2011 - June 30, 2023

Involved external institutions

Bayerisches Laserzentrum gemeinnützige Forschungsgesellschaft mbH (BLZ) DE Germany (DE)

How to cite

APA:

Kopp, S.-P., Stichel, T., Roth, S., & Schmidt, M. (2020). Investigation of the electrophotographic powder deposition through a transfer grid for efficient additive manufacturing. Procedia CIRP, 94, 122-127. https://dx.doi.org/10.1016/j.procir.2020.09.024

MLA:

Kopp, Sebastian-Paul, et al. "Investigation of the electrophotographic powder deposition through a transfer grid for efficient additive manufacturing." Procedia CIRP 94 (2020): 122-127.

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