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All Journal SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Scientific Journal of Mechanical Engineering Kinematika Jurnal Berdaya Mandiri Journal of Metallurgical Engineering and Processing Technology Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE) Literasi: Jurnal Pengabdian Masyarakat dan Inovasi INJECTION: Indonesian Journal of Vocational Mechanical Engineering Suara Teknik : Jurnal Ilmiah Jurnal Polimesin
Sehono
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PERBANDINGAN METODE MANUFAKTUR PROPELLER CLARK Y: 3D PRINTING DAN SILICONE MOLDING Putra, Ikbal Rizki; Mahesa, Ll. Aghyl Anugerah; Sehono; Marausna, Gaguk; Dyaksa, Gilang Argya; Prabowo, Fajar Yulianto; Putra, Brian Teo
Scientific Journal of Mechanical Engineering Kinematika Vol 10 No 2 (2025): SJME Kinematika Desember 2025
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v10i2.713

Abstract

Currently, the aviation industry is experiencing rapid growth, not only in manned aircraft but also in the development of Unmanned Aerial Vehicles (UAVs). One of the crucial components in UAVs is the propeller. Common manufacturing methods for propellers include forming, hand lay-up, and vacuum bagging. Alternative methods with promising potential include silicone molding and three-dimensional (3D) printing. This study aims to determine the most suitable manufacturing method for producing a propeller with a Clark Y airfoil type. The research was conducted using simulation, geometric analysis, and visual analysis. The silicone molding method can serve as an alternative to injection molding, as the dimensional difference between the CAD design and the final product is relatively minor, with the maximum shrinkage recorded at -8.77%. Meanwhile, the 3D printing method is more appropriate when the airfoil thickness is greater.
Analysis Of Tensile Strenghth Coconut Coir Fiber Composit Using The Vaccum Bagging Method Ilhami, Zaqi Arya Zullfawas; Setiawan, Ferry; Sehono, Sehono
Journal of Metallurgical Engineering and Processing Technology Vol 5, No 1 (August 2024)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v5i1.10524

Abstract

Abstract The utilization of coconut fiber currently is limited to making brooms or for burning, necessitating further applications. One of these applications is its use as a reinforcement in composites, enhancing utility value and environmental friendliness. This study focuses on crafting composites from coconut fiber with variations in fiber orientation: random, 0°, and 45°.Tensile testing results reveal that the random fiber orientation variation exhibits the best performance, with a stress of 27.30 MPa, attributed to higher density. The 45° fiber orientation variation has the lowest stress (24.23 MPa) due to a lower fiber count. In bending tests, the random fiber orientation variation again performs the best, with a bending stress of 120 MPa, attributed to its high density that strengthens the structure. The 0° fiber orientation has the lowest bending stress (88.59 MPa) due to lower fiber density.Overall, utilizing coconut fiber as reinforcement in composites shows promising positive outcomes, with the random fiber orientation variation providing the best mechanical performance. This endeavor holds the potential to enhance the economic and ecological value of coconut fiber.Keywords: Composite, fiber, coconut, tensile, bending
The effect of friction spot stir welding in installing rivet double cover lap joints on 7075–T6 aluminum plate on shear strength Sehono, Sehono; Sitopu, Aseng Franslee
Jurnal Polimesin Vol 21, No 5 (2023): October
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i5.4080

Abstract

FSSW is a variation of FSW developed in metal processes. The principle of FSSW is rotating an object that is wear-resistant and then rubbed with a plate joint. The use of FSSW can be utilized in the installation of rivets such as in the drilling process, so this process needs to be investigated. This is because the heat caused by rotation will change the mechanical properties of the material so further research is needed. In this study, a connection performance comparison was made between the FSSW method and the drill. The plate used is aluminum 7075-T6 with a lap joint connection type. To find out each performance, a shear test, hardness test, and metallographic test were carried out. From the results of the shear strength test, it can be concluded that the FSSW variation is the best with an average shear strength value of 755,190 MPa, while the drill variation has an average shear strength value of 470,227 MPa. The average value for drill variations in the HAZ area was 185.06 while for the FSSW variation, it only reached 147.75. The macro test results proved that the cause of the shear strength in the FSSW was greater than that of the drill, this was caused by the difference in the size of the rivet diameter due to the use of a bad rivet gun. Meanwhile, based on the results of micro photos, the size of the structure in the HAZ area will be relatively longer than the RAW section, this is caused by friction between the tool and the workpiece
PEMANFAATAN ALAT FILTRASI UNTUK PEMENUHAN KEBUTUHAN AIR BERSIH WARGA DUSUN GONDANG DONOKERTO KECAMATAN TURI KABUPATEN SLEMAN Marausna, Gaguk; Prasetiyo, Erwan Eko; Putra, Ikbal Rizki; Sehono; Setiawan, Hery; Yudhono, Reo; Errisonia, Arfie Armelia; Widyanto, Dwi
Jurnal Berdaya Mandiri Vol. 7 No. 3 (2025): JURNAL BERDAYA MANDIRI (JBM)
Publisher : Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/jbm.v7i3.7945

Abstract

Gondang Hamlet, Donokerto Village, faces challenges in accessing clean water, especially during the dry season, as the main water source comes from a turbid river flow. This community service initiative aims to address the issue by implementing a simple water filtration technology using a combination of media such as silica sand, zeolite, activated carbon, and magnesium. The design, training, and installation processes were carried out collaboratively with local residents to ensure sustainable usage. The results showed an improvement in water quality after filtration, although there was a challenge in the form of reduced water flow, which was resolved by installing an additional pump. This program also emphasizes the involvement of the community in maintaining the equipment and conducting regular monitoring to ensure the long-term functionality of the system. Keywords: clean water, filtration device, community service, zeolite, activated carbon
Co-Authors Angger Bagus Prasetiyo Anugrah Putra Juang Zebua Arizka Dwi Supriono Aseng Franslee Sitopu Dedy Dwi Setiawan Defri Erianto Lesmana Dhimas Wicaksono Dhimas Wicaksono Dhimas Wicaksono Dhimas Wicaksono Dhimas Wicaksono Diaza Erlangga Briyan Nugraha Dicky Prasetyo Koesgi Errisonia, Arfie Armelia Farid Jayadi Fatir Slametriadi Fatir Ferdinan Ashada Ferry Setiawan Ferry Setiawan Ferry Setiawan Ferry Setiawan Ferry Setiawan Ferry Setiawan Gaguk Eko Gati Warsono Galang Anugrah Pratama Galang Gilang Argya Dyaksa Graha Hardi Firmanda Haris Ardianto Haris Ardianto Haris Ardianto, Haris Hazhari, Fadhlah Hery Setiawan Hery Setiawan, Hery Ikbal Riski Putra Ikhsanul Madani Ilhami, Zaqi Arya Zullfawas Isla Ikhlasul Hazmi Ivanda Zakaria Reynaldi Jayadi, Arid kiki selo ageng Mahesa, Ll. Aghyl Anugerah Marausna, Gaguk Maruli Tua Pranata Mochammad Davi Yudha Prakasa Muhamad Kusnanto Muhammad Iqbal Aizi Iqbal Muhammad Nurul Ihsan P Purwanto Paramarta, Brillian Rakha Prabowo, Fajar Yulianto Prasetiyo, Erwan Eko Putra, Brian Teo Putra, Ikbal Rizki Rahmat Dwi Handoko Reo Yudhono Reza Sheirico Surbakti septio Novanto Sitopu, Aseng Franslee Widyanto, Dwi Zaqi Arya Zullfawas Ilhami