PENGARUH TEMPERATUR DAN TEKANAN TERHADAP HASIL CETAKAN POLYPROPYLENE MENGGUNAKAN MESIN INJECTION MOLDING VERTIKAL
The Influence of Temperature and Pressure on the Results of Polypropylene Molding Using a Vertical injection Molding Machine
DOI:
https://doi.org/10.21009/JKEM.8.2.7Keywords:
Temperature, Polypropylene, Vertical Injection MoldingAbstract
Currently, the use of plastic products is increasing in various fields, due to their flexibility and low production costs. The injection molding process is a technique that is often used in the formation of plastic products. The focus of the problem of this study is the effect of heating temperature and hydraulic pressure on the results of box and gear molds using the injection molding process. The test method uses variations in temperature and hydraulic pressure to produce the maximum mold shape in the box and gear. From the results of the injection molding test for full yield gear products with a melt temperature of 368ºC, a mold temperature of 40ºC, and an injection pressure of 490 Psi, there was a failure in the test results due to the release of liquid which did not come out directly to fill the mold, because the pressure from the hydraulic jack must gradually.
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[5] M. S. Huang, K. C. Ke, and C. Y. Liu, “Cavity Pressure-Based Holding Pressure Adjustment for Enhancing The Consistency of Injection Molding Quality,” Journal of Applied Polymer Science, vol. 138, no.18, pp. 1-10, 2021, doi: 10.1002/app.50357.
[6] J. A. Brydson, “Plastics Materials Seventh Edition.” Butterworth Heinemann, Oxfords, 1999.
[7] A. Permono, “Mengenal Polimer dan Polimerisasi,” Gadjah Mada University Press, Yogyakarta, 2015.
[8] J. H. Han and Y.C. Kim, “Study on Effect of Mold Temperature on The Injection Molded Article,” Arch. Metall. Mater., vol. 62, no. 2, pp. 1271- 1274, 2017, doi: 10.1515/amm-2017-0191.
[9] D. V. Rosato, D. V. Rosato, and M. V. Rosato, “Plastic Product Material and Process Selection Handbook,” 2004, doi: 10.1016/b978-1-85617-431-2.x5000-2.
[10] F. Fadhlurrohman, K. Umuran, A. Affandi, H. Nurdin, and A. Rudi, “Pengaruh Suhu Cetakan terhadap Produk Plastik Berbahan Polyprophylen (PP) pada Injection Molding,” Jurnal Rekayasa Material, Manufaktur dan Energi, vol. 5, no.1, pp. 39-45, 2022.
[11] I. Mujiarto, “Sifat dan Karakteristik Material Plastik dan Bahan Adiktif”, Jurnal Traksi, vol. 3, no.2, 2005.
[12] D. Zulianto, “Analisa Pengaruh Variasi Suhu Plastik terhadap Cacat Warpage dari Produk Injection Molding Berbahan PolyProphylene (PP),” Tugas Akhir Tesis, Universitas Muhammadiyah Surakarta, 2015.
[13] S. M. M. Yusoff, J. M. Rohani, W. H. W. Hamid, and E. Ramly, “A Plastic Injection Molding Process Characterisation using Experimental Design Technique: A Case Study,” Jurnal Teknologi, vol. 41, no. A, pp. 1-16, 2004.
[14] S. Saifuddin, R. Usman, and Z. Zuhaimi, “Pembuatan Gelas dengan Bahan Polypropylene dengan Menggunakan Cetakan Plastik,” Jurnal Polimesin, vol. 16, no. 2, pp. 30-38, 2018.
[15] H. S. Kim and S. H. Chang, "Simulation of The Compression Molding Process for Long-Fiber Reinforced Thermoset Composites Considering Fiber Bending," Compos. Struct., vol. 230, pp. 111514, 2019, doi: 10.1016/j.compstruct.2019.111514.
[16] B. Ozcelik, A. Ozbay, and E. Demirbas, “Influence of Injection Parameters and Mold Materials on Mechanical Properties of ABS in Plastic Injection Molding,” International Communications in Heat and Mass Transfer, vol. 37, no. 9, pp. 1359–1365, 2010. doi: 10.1016/j.icheatmasstransfer.2010.07.001.
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Published
2023-07-12
How to Cite
[1]
D. Sugiyanto, Y. Chan, and A. Taopik, “PENGARUH TEMPERATUR DAN TEKANAN TERHADAP HASIL CETAKAN POLYPROPYLENE MENGGUNAKAN MESIN INJECTION MOLDING VERTIKAL: The Influence of Temperature and Pressure on the Results of Polypropylene Molding Using a Vertical injection Molding Machine”, J. Konversi Energi dan Manufaktur, vol. 8, no. 2, pp. 131 – 141, Jul. 2023.
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