Investigation and Modeling of the Residence Time Dependent Material Degradation in the Arburg Plastic Freeforming

E. Moritzer, F. Hecker, A. Hirsch, in: D. Bourell (Ed.), Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021), n.d.

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Conference Paper | Accepted | English
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Abstract
The Arburg Plastic Freeforming (APF) is an additive manufacturing process with which three-dimensional, thermoplastic components can be produced layer by layer. One disadvantage of the APF is the long residence time of the molten material in the plasticizing unit compared to conventional injection moulding. The dosing volume is emptied very slowly due to only discharging fine plastic droplets. As a result, long residence times can be expected, which can lead to thermal degradation of the material. The aim of this study was to develop a model for calculating the residence time of the material in the APF. The residence time of the material in the thermally critical dosing volume is predicted using software developed in-house. The accuracy of the model could be verified by experimental investigations. Finally, the thermal degradation of the material was investigated by analyzing the correlation to the mechanical properties of tensile strength specimens.
Publishing Year
Proceedings Title
Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)
Conference
2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)
Conference Location
Houston, Texas, USA
Conference Date
2021-08-02 – 2021-08-04
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Moritzer E, Hecker F, Hirsch A. Investigation and Modeling of the Residence Time Dependent Material Degradation in the Arburg Plastic Freeforming. In: Bourell D, ed. Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021).
Moritzer, E., Hecker, F., & Hirsch, A. (n.d.). Investigation and Modeling of the Residence Time Dependent Material Degradation in the Arburg Plastic Freeforming. In D. Bourell (Ed.), Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021).
@inproceedings{Moritzer_Hecker_Hirsch, title={Investigation and Modeling of the Residence Time Dependent Material Degradation in the Arburg Plastic Freeforming}, booktitle={Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)}, author={Moritzer, Elmar and Hecker, Felix and Hirsch, André}, editor={Bourell, David} }
Moritzer, Elmar, Felix Hecker, and André Hirsch. “Investigation and Modeling of the Residence Time Dependent Material Degradation in the Arburg Plastic Freeforming.” In Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021), edited by David Bourell, n.d.
E. Moritzer, F. Hecker, and A. Hirsch, “Investigation and Modeling of the Residence Time Dependent Material Degradation in the Arburg Plastic Freeforming,” in Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021), Houston, Texas, USA.
Moritzer, Elmar, et al. “Investigation and Modeling of the Residence Time Dependent Material Degradation in the Arburg Plastic Freeforming.” Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021), edited by David Bourell.

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