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Increasing the sustainability of the hybrid mold technique through combined insert polymeric material and additive manufacturing method design

Ellen Fernandez (UGent) , Mariya Edeleva (UGent) , Rudinei Fiorio (UGent) , Ludwig Cardon (UGent) and Dagmar D'hooge (UGent)
(2022) SUSTAINABILITY. 14(2).
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Abstract
To reduce plastic waste generation from failed product batches during industrial injection molding, the sustainable production of representative prototypes is essential. Interesting is the more recent hybrid injection molding (HM) technique, in which a polymeric mold core and cavity are produced via additive manufacturing (AM) and are both placed in an overall metal housing for the final polymeric part production. HM requires less material waste and energy compared to conventional subtractive injection molding, at least if its process parameters are properly tuned. In the present work, several options of AM insert production are compared with full metal/steel mold inserts, selecting isotactic polypropylene as the injected polymer. These options are defined by both the AM method and the material considered and are evaluated with respect to the insert mechanical and conductive properties, also considering Moldex3D simulations. These simulations are conducted with inputted measured temperature-dependent AM material properties to identify in silico indicators for wear and to perform cooling cycle time minimization. It is shown that PolyJetted Digital acrylonitrile-butadiene-styrene (ABS) polymer and Multi jet fusioned (MJF) polyamide 11 (PA11) are the most promising. The former option has the best durability for thinner injection molded parts, and the latter option the best cooling cycle times at any thickness, highlighting the need to further develop AM options.
Keywords
Management, Monitoring, Policy and Law, Renewable Energy, Sustainability and the Environment, Geography, Planning and Development, prototyping, molding, 3D printing, thermal conductivity, model-based design, ENVIRONMENTAL IMPACTS, INJECTION, BEHAVIOR, WEAR, ABS

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MLA
Fernandez, Ellen, et al. “Increasing the Sustainability of the Hybrid Mold Technique through Combined Insert Polymeric Material and Additive Manufacturing Method Design.” SUSTAINABILITY, vol. 14, no. 2, 2022, doi:10.3390/su14020877.
APA
Fernandez, E., Edeleva, M., Fiorio, R., Cardon, L., & D’hooge, D. (2022). Increasing the sustainability of the hybrid mold technique through combined insert polymeric material and additive manufacturing method design. SUSTAINABILITY, 14(2). https://doi.org/10.3390/su14020877
Chicago author-date
Fernandez, Ellen, Mariya Edeleva, Rudinei Fiorio, Ludwig Cardon, and Dagmar D’hooge. 2022. “Increasing the Sustainability of the Hybrid Mold Technique through Combined Insert Polymeric Material and Additive Manufacturing Method Design.” SUSTAINABILITY 14 (2). https://doi.org/10.3390/su14020877.
Chicago author-date (all authors)
Fernandez, Ellen, Mariya Edeleva, Rudinei Fiorio, Ludwig Cardon, and Dagmar D’hooge. 2022. “Increasing the Sustainability of the Hybrid Mold Technique through Combined Insert Polymeric Material and Additive Manufacturing Method Design.” SUSTAINABILITY 14 (2). doi:10.3390/su14020877.
Vancouver
1.
Fernandez E, Edeleva M, Fiorio R, Cardon L, D’hooge D. Increasing the sustainability of the hybrid mold technique through combined insert polymeric material and additive manufacturing method design. SUSTAINABILITY. 2022;14(2).
IEEE
[1]
E. Fernandez, M. Edeleva, R. Fiorio, L. Cardon, and D. D’hooge, “Increasing the sustainability of the hybrid mold technique through combined insert polymeric material and additive manufacturing method design,” SUSTAINABILITY, vol. 14, no. 2, 2022.
@article{8741610,
  abstract     = {{To reduce plastic waste generation from failed product batches during industrial injection molding, the sustainable production of representative prototypes is essential. Interesting is the more recent hybrid injection molding (HM) technique, in which a polymeric mold core and cavity are produced via additive manufacturing (AM) and are both placed in an overall metal housing for the final polymeric part production. HM requires less material waste and energy compared to conventional subtractive injection molding, at least if its process parameters are properly tuned. In the present work, several options of AM insert production are compared with full metal/steel mold inserts, selecting isotactic polypropylene as the injected polymer. These options are defined by both the AM method and the material considered and are evaluated with respect to the insert mechanical and conductive properties, also considering Moldex3D simulations. These simulations are conducted with inputted measured temperature-dependent AM material properties to identify in silico indicators for wear and to perform cooling cycle time minimization. It is shown that PolyJetted Digital acrylonitrile-butadiene-styrene (ABS) polymer and Multi jet fusioned (MJF) polyamide 11 (PA11) are the most promising. The former option has the best durability for thinner injection molded parts, and the latter option the best cooling cycle times at any thickness, highlighting the need to further develop AM options.}},
  articleno    = {{877}},
  author       = {{Fernandez, Ellen and Edeleva, Mariya and Fiorio, Rudinei and Cardon, Ludwig and D'hooge, Dagmar}},
  issn         = {{2071-1050}},
  journal      = {{SUSTAINABILITY}},
  keywords     = {{Management,Monitoring,Policy and Law,Renewable Energy,Sustainability and the Environment,Geography,Planning and Development,prototyping,molding,3D printing,thermal conductivity,model-based design,ENVIRONMENTAL IMPACTS,INJECTION,BEHAVIOR,WEAR,ABS}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{14}},
  title        = {{Increasing the sustainability of the hybrid mold technique through combined insert polymeric material and additive manufacturing method design}},
  url          = {{http://dx.doi.org/10.3390/su14020877}},
  volume       = {{14}},
  year         = {{2022}},
}

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