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All Journal Indonesian Journal of Computing, Engineering, and Design National Multidisciplinary Sciences
Agus Salim, Urip
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Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Kekuatan Tekan 3d-Printed Poly (Methyl Methacrylate) Sebagai Kandidat Material untuk Baseplate Gigi Tiruan Lengkap Firly Nugroho, Ananda; Agus Salim, Urip; Mahardika, Muslim; Nuryanti, Archadian; Arifvianto, Budi
National Multidisciplinary Sciences Vol. 3 No. 1 (2024): PROCEEDING SEMAKIN E.1
Publisher : Universitas Muhammadiyah Jember

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Abstract

Saat ini, gigi tiruan khususnya gigi tiruan lengkap (GTL) umumnya dibuat dengan cara konvensional, yakni dengan proses polimerisasi berbasis heat curing pada material poly(methyl methacrylate) atau PMMA. Kekurangan dari metode konvensional ini terletak pada rendahnya akurasi produk yang dihasilkan, proses yang relatif lama serta kenyamanan gigi tiruan saat digunakan. Salah satu teknik yang berpeluang digunakan dalam pembuatan gigi tiruan adalah teknologi additive manufacturing (AM). Meski demikian, metode baru ini masih perlu diteliti secara mendalam untuk meyakinkan bahwa teknik ini dapat digunakan untuk membuat gigi palsu. Salah satu hal yang masih perlu dikaji tentang teknik AM untuk gigi palsu ini adalah aspek kekuatan material yang diperoleh dengan teknologi ini. Pada penelitian ini dilakukan pengujian tekan material PMMA yang dicetak dengan metode AM dan heat curing konvensional. Pengujian dilakukan setelah material tersebut direndam dalam larutan air ludah atau saliva buatan. Hasil dari penelitian ini menunjukkan bahwa material yang dibuat dengan menggunakan metode AM memiliki kuat tekan yang lebih tinggi daripada material yang dibuat secara konvensional. Nilai kuat tekan tertinggi diperoleh pada material yang dicetak AM sebesar 130 MPa.
Microhole Creation in FDM-Printed Sheet Polymers: A Punching Process Approach Agus Salim, Urip; Abdullah, Bulan; Suyitno; Pratama, Juan; Badranaya, Muhammad Imawan; Wijaya, Rahman; Mahardika, Muslim; Arifviyanto, Budi
Indonesian Journal of Computing, Engineering, and Design (IJoCED) Vol. 6 No. 2 (2024): IJoCED
Publisher : Faculty of Engineering and Technology, Sampoerna University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35806/8r45gs31

Abstract

Fused deposition modeling (FDM) 3D printing is one of the additive manufacturing processes that can make components with complex shapes, require no tools, are cheap, safe, and have  minimal waste. Despite all the advantages of the FDM process, the inability of this technique to create holes on a micro scale can be a problem and limits its application. In this research, a combination of FDM and machining processes was carried out, where micro holes in FDM printed components were created using a punching process. The punching process is carried out by varying pressure and speed. Furthermore, the diameter of the hole and the quality of the sheared edge of the hole resulting from the punching process were evaluated through observation using an optical microscope. The results show that the holes resulting from the punching process have a better shape and diameter than the FDM process. Then, the analysis of the sheared edge from punching shows that pressure and speed significantly affect the surface quality of the resulting sheared edge, where the quality increases with increasing pressure and speed. In the end, the punching process was proven to create micro-scale holes in FDM-printed polymer, especially at minimum thickness. 
Co-Authors Abdullah, Bulan Archadian Nuryanti Arifviyanto, Budi Badranaya, Muhammad Imawan Budi Arifvianto Firly Nugroho, Ananda Muslim Mahardika Pratama, Juan Suyitno Wijaya, Rahman