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PERANCANGAN SISTEM KONSTRUKSI MEKANIK 3D PRINTER GEOPOLYMER TYPE CARTESIAN Setiawan, Heri; Nopriyanti, Rani; Adi Soetopo, Antonius; Rusmana, Nandang; Gunawan, Iwan; Pandoe; Budi Harja, Herman; Rahmat Hadi, Faisal
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1543

The population growth in Indonesia continues to increase every year, which causes a higher level of demand for civil buildings and houses. 3D concrete printing is an innovative construction method that has recently begun to be applied to the construction industry and has proven to be profitable in terms of optimizing construction time, cost, design flexibility and error reduction as well as being environmentally friendly. The geopolymer 3D printer is a 3D concrete printing machine specifically for extruding geopolymer mortar materials. This study aims to design a mechanical construction system for a 3D printer geopolymer machine. Geopolymer mortar has a unique strength compared to cement mortar and dries faster so it has better molding properties. The design of the cartesian type geopolymer 3D printer machine uses the VDI 2222 design method which consists of planning, conceptualizing, designing, and finishing. Based on this design method, a printing area of 5m x 5m x 3m is designed with a maximum printing speed of 100 mm/s. The results of this design meet the demands and are stated to be technically good in static calculations.

Pembuatan Pilar Support Mesin 3D Concrete Printing menggunakan Konstruksi Cremona dengan Material Besi Profil Siku Nopriyanti, Rani; Fauzi, Muhammad; Setiawan, Heri; Kurniaji, Anhar
JTRM (Jurnal Teknologi dan Rekayasa Manufaktur) Vol 6 No 2 (2024): Volume: 6 | Nomor: 2 | Oktober 2024
Publisher : Pusat Penelitian, Pengembangan, dan Pemberdayaan Masyarakat (P4M) Politeknik Manufaktur Bandung (Polman Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48182/jtrm.v6i2.174

The main constraint in porang processing are porang chips thickness uniformity and high calcium oxalate content. There are three stages of porang processing are washing, slicing, and boiling. The machine designed in this research combining the function of three machines : washing machine, slicer, and boiler. First, porang roots is placed into the hopper, then porang is cleaned using rotating washing brush with the translational movement of the screw conveyor. After that, porang is sliced and boiled in NaCl solution to reduce its calcium oxalate content. This research uses VDI 2222 design methodology including planning, conceptualizing, designing, and finishing. The design and validation process of critical components is carried out using CAE (Computer Aided Engineering) software. After going through the design process, a machine design was produced with a production capacity of 500 kg/hour.

PEMBUATAN KONEKTOR PADA BANGUNAN SIPIL YANG DIBANGUN DENGAN METODE SPLITTING HOUSE Nopriyanti, Rani; Soetopo, Antonius Adi; Setiawan, Heri; Akbari, Rizqy Hikmat
PENDIDIKAN SAINS DAN TEKNOLOGI Vol 12 No 2 (2025)
Publisher : STKIP PGRI Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47668/edusaintek.v12i2.1408

Civil buildings are structures built to meet human needs in infrastructure and the environment. This includes bridges, buildings, and more. The method used is the Splitting House method which is a term where the entire building or assembly components are manufactured off-site and assembled on-site from separate panel modules. The Splitting House method is used to overcome the relatively large dimensions of the 3DCP machine so that handling the machine to the work area becomes impractical. This method requires connectors to connect separate panels. The connector consists of a Connector L (275,25 mm x 138 mm x 2 mm) and a Connection Plate (140 mm x 140 mm x 2 mm). This connector can safely support the load, has a compressive voltage of 0.0195 Mpa and a clearance voltage of 122.5 Mpa. Weld potency reaches 18.03 (). The bolt joints have a shear capacity of 7.2 kN, bearing resistance of 5.1 kN, and tensile resistance of 8.7 kN. The manufacture of the connector takes 12.9 hours and costs Rp. 1.104.257,60.

PERANCANGAN SISTEM KONSTRUKSI MEKANIK 3D PRINTER GEOPOLYMER TYPE CARTESIAN Setiawan, Heri; Nopriyanti, Rani; Adi Soetopo, Antonius; Rusmana, Nandang; Gunawan, Iwan; Pandoe; Budi Harja, Herman; Rahmat Hadi, Faisal
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1543

The population growth in Indonesia continues to increase every year, which causes a higher level of demand for civil buildings and houses. 3D concrete printing is an innovative construction method that has recently begun to be applied to the construction industry and has proven to be profitable in terms of optimizing construction time, cost, design flexibility and error reduction as well as being environmentally friendly. The geopolymer 3D printer is a 3D concrete printing machine specifically for extruding geopolymer mortar materials. This study aims to design a mechanical construction system for a 3D printer geopolymer machine. Geopolymer mortar has a unique strength compared to cement mortar and dries faster so it has better molding properties. The design of the cartesian type geopolymer 3D printer machine uses the VDI 2222 design method which consists of planning, conceptualizing, designing, and finishing. Based on this design method, a printing area of 5m x 5m x 3m is designed with a maximum printing speed of 100 mm/s. The results of this design meet the demands and are stated to be technically good in static calculations.

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