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PERANCANGAN ALAT PENCEKAM UNTUK PEMESINAN POLYURETHANE FOAM PADA PROSES FACE MILL CUTTING MESIN CNC ROUTER 3 AXIS DENGAN METODE VDI 2221 Utomo, Archi Kun Cahyo; Ubaidillah, Ubaidillah; Raharjo, Wijang Wisnu; Fitrian Imaduddin; Dikky Kusuma Wijaya
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1798

Abstract

Due to the highly brittle structure of polyurethane (PU) foam, a specialized clamping mechanism is required to consider the material's strength and hardness to avoid damaging the workpiece and to withstand the cutting forces during milling and machining. Using a polymer as an alternative for creating clamping tools with characteristics similar to PU foam offers a promising solution. The slightly harder polymer material is expected to address the need for a gripping tool that will not harm the PU foam upon application. The VDI 2221 method, a structured approach to the design and coordination of evolving design techniques, is employed in this study. The advantage of this methodology lies in its ability to adapt continuously through research. A comparative analysis of two design models produced via 3D printing reveals that Design 5 exhibits superior strength under increased stress. Moreover, Design 5 is more effective in gripping the workpiece, as a single gripper can withstand cutting forces from two directions simultaneously, reducing material deformation. This advancement is expected to minimize the risk of material damage during the machining process. This research's novelty lies in applying an optimized polymer clamping device for PU foam, ensuring improved performance and reduced damage during machining.
Analisis Hasil Uji Tarik dan SEM pada Obyek Cetak 3D dari Filamen Limbah Plastik PET Tri Hannanto Saputra; Ariawan, Radhi; Nur Akhlis Sarihidaya Laksana; Unggul Satria Jati; Dikky Kusuma Wijaya
Infotekmesin Vol 16 No 1 (2025): Infotekmesin: Januari 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i1.2577

Abstract

3DPrinting filament from PET plastic bottle waste is one appropriate solution to overcome PET plastic waste. This research aims to develop a PET plastic bottle waste recycling method using extrusion technology into 3DPrinting filament. The filament formed is used in the printing process using a 3DPrinting FDM machine. The printed object specimens were Dogbone ASTMD638 Type V. Previous research used tensile test and macroscopy photography methods to observe the tensile strength. This research used filament-making, tensile test, and SEM test methods. This research showed that PET plastic bottle waste can be recycled into 3DPrinting filaments. Based on the tensile test result, the average maximum tensile stress from lowest to highest in the sequence was 7.4 MPa, 12.4 MPa, and 14.9 MPa. The type of fracture that occurred in the specimen with the highest maximum tensile strength was a brittle fracture.
Analisis Hasil Uji Tarik dan SEM pada Obyek Cetak 3D dari Filamen Limbah Plastik PET Tri Hannanto Saputra; Ariawan, Radhi; Nur Akhlis Sarihidaya Laksana; Unggul Satria Jati; Dikky Kusuma Wijaya
Infotekmesin Vol 16 No 1 (2025): Infotekmesin: Januari 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i1.2577

Abstract

3DPrinting filament from PET plastic bottle waste is one appropriate solution to overcome PET plastic waste. This research aims to develop a PET plastic bottle waste recycling method using extrusion technology into 3DPrinting filament. The filament formed is used in the printing process using a 3DPrinting FDM machine. The printed object specimens were Dogbone ASTMD638 Type V. Previous research used tensile test and macroscopy photography methods to observe the tensile strength. This research used filament-making, tensile test, and SEM test methods. This research showed that PET plastic bottle waste can be recycled into 3DPrinting filaments. Based on the tensile test result, the average maximum tensile stress from lowest to highest in the sequence was 7.4 MPa, 12.4 MPa, and 14.9 MPa. The type of fracture that occurred in the specimen with the highest maximum tensile strength was a brittle fracture.
PERANCANGAN ALAT PENCEKAM UNTUK PEMESINAN POLYURETHANE FOAM PADA PROSES FACE MILL CUTTING MESIN CNC ROUTER 3 AXIS DENGAN METODE VDI 2221 Utomo, Archi Kun Cahyo; Ubaidillah, Ubaidillah; Raharjo, Wijang Wisnu; Fitrian Imaduddin; Dikky Kusuma Wijaya
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1798

Abstract

Due to the highly brittle structure of polyurethane (PU) foam, a specialized clamping mechanism is required to consider the material's strength and hardness to avoid damaging the workpiece and to withstand the cutting forces during milling and machining. Using a polymer as an alternative for creating clamping tools with characteristics similar to PU foam offers a promising solution. The slightly harder polymer material is expected to address the need for a gripping tool that will not harm the PU foam upon application. The VDI 2221 method, a structured approach to the design and coordination of evolving design techniques, is employed in this study. The advantage of this methodology lies in its ability to adapt continuously through research. A comparative analysis of two design models produced via 3D printing reveals that Design 5 exhibits superior strength under increased stress. Moreover, Design 5 is more effective in gripping the workpiece, as a single gripper can withstand cutting forces from two directions simultaneously, reducing material deformation. This advancement is expected to minimize the risk of material damage during the machining process. This research's novelty lies in applying an optimized polymer clamping device for PU foam, ensuring improved performance and reduced damage during machining.
Co-Authors Archi Kun Cahyo Utomo Fitrian Imaduddin Nur Akhlis Sarihidaya Laksana Radhi Ariawan Tri Hannanto Saputra Ubaidillah Ubaidillah Unggul Satria Jati Wijang Wisnu Raharjo