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All Journal Journal of Energy, Mechanical, Material and Manufacturing Engineering
Budiantoro, Cahyo
University of Muhammadiyah Malang
Mechanical Engineering

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Effect of Mould and Melt Temperature on the Properties of Styrene Acrylonitrile Moulded Parts Budiantoro, Cahyo; Nugroho, Adi
Journal of Energy, Mechanical, Material and Manufacturing Engineering Vol 3, No 1 (2018)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (225.673 KB) | DOI: 10.22219/jemmme.v3i1.5711

Abstract

The quality of injection moulded parts can be influenced by processing parameters. The effect of mould temperature and melt temperature on the weight and shrinkage of Styrene Acrylonitrile moulded part was observed in this research. It was found that by increasing mold temperatures at constant melt temperature and injection speed, the weight of the part decreased and the shrinkage value slightly decreased. On the other hand, by increasing melt temperature at constant mold temperature and injection speed, the part weight increased. Both mold temperature and melt temperature gave only a small effect because the temperature difference was not too large.
Improving the tensile properties of 3D printed PLA by optimizing the processing parameter Nugroho, Aris Widyo; Budiantoro, Cahyo
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol 4, No 1 (2019)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1327.23 KB) | DOI: 10.22219/jemmme.v4i1.8222

Abstract

Low-cost desktop 3D printing is now dominated by free and open source self-replicating rapid prototype. However, optimum printing process parameters have not been provided by the manufacturer, since there are several process parameters that need to be optimized to obtain acceptable dimension error and strength properties. This paper aims to present the optimum process parameters for the 3D printing process of Polylactic Acid (PLA) part using Taguchi Method. A specimen standard of ASTM D638 Type IV made of biodegradable polymer, PLA, has been used as a tensile strength test to represent printed part quality. Four printing process parameters: temperatures, extrusion width, infill density and infill pattern have been optimized using Taguchi Methods.  Test was carried out to find the highest tensile strength based on the optimum parameter setting and validated them with experiment. The result shows that the tensile strength response was predominantly influenced by infill density followed by nozzle temperature, infill pattern and extrusion width.  The optimum level setting was obtained at 75% of infill density (C3), 215oC of nozzle temperature (A3), honeycomb infill (D1) and 0.3 mm of extrusion width (B1). At optimized parameters the tensile strength PLA parts significantly was found of 30.52 MPa at a confidence interval of 95%.
Co-Authors Adi Nugroho Totok Suwanda