Journal
MATERIALS
Volume 15, Issue 20, Pages -Publisher
MDPI
DOI: 10.3390/ma15207295
Keywords
injection molding; polycaprolactone; process simulation; filament; biomaterials
Categories
Funding
- National Science Centre, Poland [2020/39/I/ST5/00569]
- National Centre for Research and Development, Poland [TANGO-IV-A/0002/2019]
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The aim of this study was to simulate the injection molding process of polycaprolactone filament sticks for 3D printing of osteochondral implants. By importing thermal and rheological data to Solidworks Plastics software, the influence of various injection molding parameters on the geometry of filament sticks was investigated, leading to improvements in the injection process parameters.
The aim of the present study was a simulation of the injection molding process of polycaprolactone filament sticks for further 3D printing of osteochondral implants. Polycaprolactone data are not available in the data banks of popular injection molding simulation programs. Therefore, thermal and rheological data from the literature were imported to the material database of Solidworks Plastics software to simulate the injection molding process of filament sticks. The influence of several injection molding parameters including melt temperature, injection time, and injection pressure on the geometry of filament stick (final part) was investigated. Based on the results of the performed simulation and analyses, it was possible to improve the injection process parameters. The accuracy of simulation predictions, based on the literature data, demonstrates the potential of using simulation as a tool to develop polycaprolactone parts for future implants and to optimize the injection molding process.
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