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All Journal International Journal of Applied Power Engineering (IJAPE) JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Turbo : Jurnal Program Studi Teknik Mesin SMARTICS Journal Piston: Journal of Technical Engineering Indonesian Journal of Computing, Engineering, and Design BERNAS: Jurnal Pengabdian Kepada Masyarakat JURNAL FLYWHEEL Mechanical Engineering for Society and Industry
Rosadila Febritasari
Institut Teknologi Nasional Malang, Indonesia
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Peningkatan Kualitas Produksi pada Industri Kecil di Kabupaten Trenggalek melalui Optimasi Viskositas Oli pada Mesin Press Febritasari, Rosadila; Rahmadianto, Febi; Pohan, Gerald Adityo
JURNAL FLYWHEEL Vol 14 No 2 (2023): Jurnal Flywheel
Publisher : Teknik Mesin S1 ITN Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/flywheel.v14i2.7827

Abstract

UKM ABDI JAYA memiliki mesin press yang digunakan untuk mengolah tanah liat menjadi batu bata. Optimasi viskositas oli dalam mesin press merupakan salah satu cara untuk meningkatkan performa dan efisiensi mesin press di UKM ABDI JAYA Kabupaten Trenggalek. Viskositas oli adalah kemampuan oli untuk mengalir, semakin rendah viskositas oli, maka semakin mudah oli mengalir dan sebaliknya. Pada mesin press, viskositas oli yang tepat dapat membantu dalam mengurangi kerusakan pada komponen mesin seperti bearing dan segel. Hal ini akan mengurangi biaya perbaikan dan meningkatkan umur mesin. Pelaksanaan program Pengabdian Masyarakat dilaksanakan pada mitra UKM ABDI JAYA untuk memberikan wawasan terkait penggunaan viskositas oli yang tepat dan juga dapat memberikan masukan untuk perbaikan kinerja mesin press. Kontribusi mendasar dari program ini adalah peningkatan penerapan iptek di masyarakat (mekanisasi, IT, dan manajemen). Target yang dicapai dari program ini adalah meningkatnya efisiensi, produktivitas, dan kualitas produksi serta meningkatnya daya saing industri kecil di Kabupaten Trenggalek. Selain itu, program ini juga dapat menciptakan produk baru yang dapat menambah nilai ekonomi bagi industri kecil di Kabupaten Trenggalek.
Simulation of Electric Scooter Frame with Broadtrack Model Using Finite Element Method Febritasari, Rosadila; Budi Mahardika, Ajiman; Astana Widi, I Komang; Arif Sutrisno, Tito; Dwi Korawan, Agus
SMARTICS Journal Vol 10 No 1 (2024): SMARTICS Journal (April 2024)
Publisher : Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/smartics.v10i1.8358

Abstract

The frame is a main component for electric scooter construction which must have high distortion resistance to minimize the failure risk. This study aims to design a frame for electric scooter with broadtrack model and 1200 W of wheel drive motor power. The simulation was conducted by Finite Element Method (FEM) using Aluminum 6061 and Steel AISI 1020 as the material frame. The down tube used rectangular profile pipe and others used cylindric profile. The frame was generated in 3D model and been analysed using static structural. The results showed the biggest maximum stresses and also the smallest deformation given by steel AISI 1020 are 84,852 Mpa and 0.1082 mm, respectively. The minimum safety value for AISI 1020 steel material is 2.3813 and 6061 aluminum alloy is 1.5518. These show that the effect of mechanical properties on steel AISI 1020 is better than aluminum 6061. Overall, the Electric scooter frame should be recommended using steel AISI 1020.
Modification of Grass Chopper Blade from Leaf Spring with Coconut Shell Charcoal Addition by Carburizing Treatment Febritasari, Rosadila; Sutrisno, Tito Arif; Jikwa, Herlan Hafiidh; Berta, Dhea Rosali; Artayasa, I Made Pande; Nahak, Bernadino Arsinyo; Yordan H. P.I, Yohanes
Piston: Journal of Technical Engineering Vol. 7 No. 2 (2024)
Publisher : Program Studi Teknik Mesin Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/pjte.v7i2.34439

Abstract

A grass chopper is a machine used to chop grass and soft stems. In the grass chopping process, a sharp blade is required. The current problem is the blade get wear due to repeated sharpening of the blade, resulting in a non-uniform texture of chopped grass and often found some large grass sizes. Therefore, this research focuses on blade material engineering. This research was conducted by carburizing at 700°C for 60 minutes and adding carbon from coconut shell charcoal followed by quenching using water cooling media. The blade was made from a leaf spring made of JIS-SUP 9 steel. The results showed 106% of enhancement in carbon composition after the blade was treated by carburizing. This carbon composition enhancement affects the performance of the blade, namely higher hardness as shown by a 175% increase in hardness value and a 96.4% lower wear rate than the untreated blade.
Design of Medical Self-Propelled Walking Tricycle as a Post-Stroke Rehabilitation Tool Febritasari, Rosadila; Korawan, Agus Dwi
Indonesian Journal of Computing, Engineering, and Design (IJoCED) Vol. 6 No. 1 (2024): IJoCED
Publisher : Faculty of Engineering and Technology, Sampoerna University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35806/ijoced.v6i1.390

Abstract

Patients recovering from a stroke may not be able to use all rehabilitation equipment due to their poor muscle strength and coordination. This study proposes to design a self-propelled walking tricycle that is a non-motorized three-wheel vehicle in a delta configuration without a pedal. This study was conducted by considering the post-stroke patient needs. It was done using two analysis methods, finite element analysis, and rapid upper limb analysis, to justify the reliability of the design. The results show that the maximum stress is 38.8 MPa in the connection area of the seat tube and down tube, while the maximum deformation is 0.399 mm in the seat post. The tricycle is constructed with 153 mm of ground clearance. Therefore, patients can lift their legs and drive the tricycle by swinging their legs repeatedly, like walking. The proposed self-propelled walking tricycle can be considered as a rehabilitation tool that can train the lower extremities. It could be used for strengthening the muscles and improve body coordination for the recovery process.
Experimental investigations of number of blades effect on archimedes spiral wind turbine performance Agus Dwi Korawan; Rosadila Febritasari
Mechanical Engineering for Society and Industry Vol 4 No 2 (2024)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12373

Abstract

This study investigates the effect of blade numbers on the performance of Archimedes Spiral Wind Turbines (ASWT), a low-speed axial flow turbine with an Archimedean spiral blade design. Experimental tests and numerical simulations were conducted to evaluate power generation and fluid flow behavior. Results revealed that a three-blade ASWT achieved optimal performance, producing 158.5% more power than the four-blade configuration. The findings highlight the significant influence of blade numbers on ASWT efficiency, offering insights for improving wind turbine design in urban renewable energy applications.
Evaluation of dimensional accuracy on SLM product using 3D laser scanner Moch. Agus Choiron; Anindito Purnowidodo; Achfas Zacoeb; Rosadila Febritasari; Willy Artha Wirawan; Imam Kusyairi; Johan Wayan Dika
Mechanical Engineering for Society and Industry Vol 5 No 2 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.13448

Abstract

Dimensional accuracy is a critical factor in additive manufacturing, especially in Selective Laser Melting (SLM). Recently, many studies had investigated the SLM process and products, but studies on the evaluation of SLM printing product to check the dimensional accuracy have not been explored. This study investigates the dimensional accuracy of SLM products by employing a 3D laser scanning technology and evaluate the compatibility between CAD designs and the final SLM printed products. The 3D laser scanning is performed using a high-precision 3D laser scanner, then continued by comparison with the CAD model through Geomagic Control X software. Dimensional accuracy was measured using visual and statistical parameters such as color graphic and deviation. Results showed that deviation of SLM printed products was within the tolerance range of ±0.1 mm. The main factors that affect accuracy are printing laser speed and print orientation. The 3D laser scanning technology proved to be effective for evaluating the dimensional accuracy of SLM printed products. This study contributes to develop the quality control methods in the field of metal-based additive manufacturing.
Corrigendum to “Experimental investigations of number of blades effect on archimedes spiral wind turbine performance” [MESI Vol. 4, No. 2 (2024) pp 198-209] Agus Dwi Korawan; Rosadila Febritasari
Mechanical Engineering for Society and Industry Vol 5 No 1 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.13996

Abstract

In the original article (https://doi.org/10.31603/mesi.12373), there was a mistake in Paragraph 3 (1. Introduction), Paragraph 1 (2.2.1. The archimedes spiral wind turbine (ASWT) design), Table 1 (2.2.2.Mesh generation), Paragraph 1, 2 and 3 (3.1. Experimental result) and 4. Conclusion as published. The mistake involves the use of a comma (,) instead of a period (.) ​​and vice versa in writing numerical values, as well as missing citations. The editor and author have communicated and agreed to correct this issue to avoid misleading readers.All corrections are provided in detail in the PDF file.
Blade number and angle effect the archimedes spiral wind turbine performance Febritasari, Rosadila; Abidin, Muhammad Ibnul
International Journal of Applied Power Engineering (IJAPE) Vol 15, No 1: March 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v15.i1.pp393-402

Abstract

The efficiency and performance of Archimedes spiral wind turbine (ASWT) are affected by the design and number of turbine blades which can convert the kinetic energy of the wind into mechanical energy to turn a generator that can produce electricity as much as possible in low wind speed. This study aims to obtain the optimal ASWT design in low wind speed in terms of aerodynamic performance. The method is conducted by numerically computational fluid dynamics (CFD) simulation on the fixed-opening angle and the blades number variations. The results show that the smallest C_D value is -2.18 at the 65° of opening angle, the largest C_L value at the 45° of opening angle is 0.37, and the largest C_M value is 0.61 at the 65° of opening angle and 4 blades. Therefore, it can be concluded that the Archimedes wind turbine with 4 blades and 65° pitch is the optimal.
Co-Authors Abidin, Muhammad Ibnul Abrori, Nurul Achamd Alphafill Ibrahimy Yusuf Achfas Zacoeb Achmad Alphafill Ibrahimy Yusuf Achmad Noerkhaerin Putra Adi S.N, I Kadek Adi, I Kadek Agung Rusdi Wibowo Agus Dwi Korawan Ajiman Budi Mardika Ali Achmadi Almafudin, Alvit Anindito Purnowidodo Annisa, Deya Aulia ARIF KURNIAWAN Artayasa, I Made Pande Bambang Supranoto Berta, Dhea Rosali Budi Mahardika, Ajiman Drajat Indah Mawarni Dwi Korawan, Agus Febi Rahmadianto Gerald Adityo Pohan I Komang Astana Widi Imam Kusyairi Jikwa, Herlan Hafiidh Johan Wayan Dika JUNAIDI, MUKSAN Komang Astana Widi Korawan, Agus Dwi Kurniawan , Arif Kurniawan, Dhoni Lowu, Alfa Arkenxiou M. Slamet Riyadi Mahendra, Bima Menui, Felix Firman Putra Moch. Agus Choiron Mohammad Rahma Dhani Mudjijanto Mudjijanto Nahak, Bernadino Arsinyo Nanang Dwi Cahyono Pratama Nurida, Sixta Ratna Dwi Rahayu Saputra, Yoga Sarjono Sarjono Siswanto, Heru Adi Subur Sujatmiko Tito Arif Sutrisno Wiraguna, Gede Eka Wirawan, Willy Artha Yordan H. P.I, Yohanes