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All Journal Prosiding Semnastek Turbo : Jurnal Program Studi Teknik Mesin JURNAL INTEGRASI Manutech : Jurnal Teknologi Manufaktur JTRM (Jurnal Teknologi dan Rekayasa Manufaktur) Journal of Telenursing (JOTING) jurnal syntax admiration Integrated Science Education Journal COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat Dulang: Jurnal Pengabdian Kepada Masyarakat Prosiding Seminar Nasional Inovasi Teknologi Terapan Jurnal Inovasi Teknologi Terapan Jurnal Teknologi Manufaktur dan Industri Jurnal Polimesin
Eko Yudo
Politeknik Manufaktur Negeri Bangka Belitung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Social Sciences Other

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Analisis Penyebab Getaran Pada Mesin Peniris Minyak Untuk Mencegah Kerusakan Produk Keripik Bayam Milik UMKM Jabal Dinar Maulana, Adam; Ariyanto, Ariyanto; Yudo, Eko
Manutech : Jurnal Teknologi Manufaktur Vol. 17 No. 02 (2025): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v17i02.482

Abstract

 The oil-draining machine at UMKM Jabal Dinar experienced excessive vibration issues, rendering it inoperative for approximately four years. This problem impacted the quality of the spinach chips produced. This study aims to identify the main causes of unstable vibrations in the oil-draining machine, analyze their effects on product quality, and develop improvement strategies to enhance the machine's vibration stability. The method employed was experimental, with initial vibration measurements reaching 20,83 mm/s, classified in Zone D (red) according to the ISO 10816-3 standard, indicating very high vibrations that could lead to severe damage if not addressed. Modifications were made by replacing the shaft, bearings, and pulleys, as well as performing proper alignment. The improvements resulted in a significant reduction in vibration, positively impacting product quality and extending the machine's lifespan. The study concludes that component modifications and alignment corrections effectively reduced excessive vibrations in the oil-draining machine, ultimately increasing production efficiency and reducing damage to the spinach chips.
Effect of Heat Treatment and Tempering Process on the Hardness of S55c Steel as A Cutting Blade Material for Plastic Shredding Machines Yudo, Eko; Ariyanto, Ariyanto; Erwansyah, Erwansyah; Suzen, Zaldy Sirwansyah; Sugiyarto, Sugiyarto; Dharta, Yuli; Zulfitriyanto, Zulfitriyanto
Integrated Science Education Journal Vol 7 No 1 (2026): January
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Purpose of the study: This study aims to optimize the heat treatment process of S55C medium-carbon steel by examining the combined effects of austenitizing temperature, quenching media, and tempering temperature on impact toughness. Methodology: An experimental approach was employed using quenching and tempering treatments. Quenching was performed at three austenitizing temperatures (950°C, 1000°C, and 1050°C) with three different cooling media—salt water, oil, and seawater—followed by tempering at 100°C, 200°C, 300°C, and 400°C. All heating processes were conducted in an electric furnace. Parameter optimization was carried out using the Taguchi method with an L9 orthogonal array. Mechanical performance was evaluated through Charpy impact testing, and confirmation experiments were conducted to validate the optimal parameter combination. Main Findings: The Taguchi analysis identified the optimal quenching condition at an austenitizing temperature of 1050°C with salt water as the cooling medium, yielding the highest impact toughness. Confirmation tests supported the reliability of this result. Additionally, the tempering process showed that increasing the tempering temperature decreased hardness while significantly improving toughness, indicating effective stress relief and improved ductility in the steel microstructure. Novelty/Originality of this study: The novelty of this study lies in the integrated optimization of quenching temperature and diverse cooling media, including seawater, using the Taguchi method, with a specific focus on toughness rather than hardness alone. This research provides new insights into tailoring heat treatment parameters for S55C steel to achieve superior impact resistance, offering practical guidance for more efficient and application-oriented heat treatment strategies in manufacturing industries.
Cooling Media–Driven Shift in Dominant Machining Mechanisms: A Taguchi-Based Optimization of Surface Roughness in CNC Milling of S45C Steel Faing, Fatullah; Yudo, Eko; Kurniawan, Zaldy
Integrated Science Education Journal Vol 7 No 1 (2026): January
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/isej.v7i1.2643

Abstract

Purpose of the study: Is to optimize the surface roughness in CNC milling of S45C steel using two types of cooling media: Dromus and radiator water. Methodology: This study employed the Taguchi experimental design method to compare cooling media. Three main machining parameters, namely spindle speed, depth of cut, and feed rate, were examined at three levels using a Taguchi L9 orthogonal array. In addition, two different cooling media, namely radiator water and Dromus, were applied to investigate their effects on surface integrity. Surface roughness values ​​were measured using a standard surface roughness tester and analyzed using the Signal-to-Noise (S/N) ratio, with the results supported by Analysis of Variance (ANOVA). Main Findings: The results demonstrate that cooling media play a decisive role not only in reducing surface roughness but also in shifting the dominant machining parameter. Under radiator water cooling, spindle speed was the most influential factor, contributing 45.67% to surface roughness variation. In contrast, when Dromus was applied, depth of cut became the dominant parameter with a contribution of 63.40%. Dromus consistently produced lower surface roughness values and higher S/N ratios, indicating improved thermal control and process stability. The optimal machining condition was identified at a spindle speed of 1910 rpm, a depth of cut of 0.2 mm, and a feed rate of 330 mm/min. Novelty/Originality of this study: The novelty of this study lies in revealing how cooling media fundamentally alter surface formation mechanisms and parameter dominance, offering new insights for adaptive and efficient CNC milling optimization strategies.
Analisis Pengaruh Pahat CNMG 120404 pada Proses Bubut CNC terhadap Kekasaran Permukaan Baja S45c dengan Metode Taguchi mahdan, zio eldi; Yudo, Eko; yanto, Zulfitri
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4573

Abstract

Material baja S45C banyak digunakan pada poros pompa sentrifugal karena kualitas permukaannya dapat dioptimalkan melalui pemesinan bubut CNC. Penelitian ini bertujuan menentukan jenis kode pahat CNMG yang sesuai untuk menghasilkan kekasaran permukaan baja S45C menggunakan metode Taguchi. Parameter yang dijelaskan meliputi kecepatan spindel, kecepatan pemakanan, dan kedalaman potong. Hasil menunjukkan bahwa pahat CNMG 120404 menghasilkan kekasaran lebih halus (Ra 1,626 µm), Kondisi optimal dicapai pada kecepatan spindel 1910 RPM, kecepatan pemakanan 0,168 mm/Rev, dan kedalaman potong 0,25 mm. Pahat dengan radius hidung lebih kecil (0,4 mm) lebih sesuai untuk menghasilkan permukaan halus pada baja karbon S45C.
Evaluation of hardness and dry sliding wear performance of Al/BA-silica sand composites as brake friction materials. Sukanto Sukanto; Erwanto Erwanto; Husman Husman; Erwansyah Erwansyah; Rodika Rodika; Yudi Oktriadi; Eko Yudo; Ardiansyah Ardiansyah
Jurnal Polimesin Vol 24, No 3 (2026): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i3.8952

Abstract

As many as 70 countries have banned the use of asbestos-based materials because its fine, lightweight fibers are easily inhaled by humans, causing lung cancer, particularly mesothelioma, which can be fatal. This study aims to determine the effect of a silica sand and boiler ash reinforcement alloy on the application of non-asbestos aluminum matrix composite brake pads. This research uses a powder metallurgy method with varying reinforcement weight ratios, namely 8%, 10%, 12%, and 14% by weight. The mixing process is carried out through mechanical alloying using a horizontal ball mill at 90 rpm with a BPR ratio of 10:1. Hot compaction at 300°C was varied at a pressure of 5000-5300 PSI, followed by sintering at 580°C. Density, hardness, and wear were tested using ASTM standards, which were then compared with the brake lining standard SNI-09-0143-1987. Microstructural characterization was performed using SEM to determine the extent of interlocking bonds in the composite. The results showed that the 12wt% composition at 5200 PSI produced the best properties, with a density of 2.121 g/cm³, a hardness of 93.628 HB, and a wear of 0.0193 mm³/Nm. SEM images showed more uniform interlocking bonds compared to other variations. Increasing the compaction pressure was proven to increase density, hardness, and wear resistance. Overall, this study successfully produced environmentally friendly composite brake linings based on Silica Sand Powder and Boiler Ash without using asbestos materials.
Analisis Pengaruh Pahat CNMG 120404 pada Proses Bubut CNC terhadap Kekasaran Permukaan Baja S45c dengan Metode Taguchi zio eldi mahdan; Eko Yudo; Zulfitri yanto
TURBO [Tulisan Riset Berbasis Online] Vol 14 No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4573

Abstract

Material baja S45C banyak digunakan pada poros pompa sentrifugal karena kualitas permukaannya dapat dioptimalkan melalui pemesinan bubut CNC. Penelitian ini bertujuan menentukan jenis kode pahat CNMG yang sesuai untuk menghasilkan kekasaran permukaan baja S45C menggunakan metode Taguchi. Parameter yang dijelaskan meliputi kecepatan spindel, kecepatan pemakanan, dan kedalaman potong. Hasil menunjukkan bahwa pahat CNMG 120404 menghasilkan kekasaran lebih halus (Ra 1,626 µm), Kondisi optimal dicapai pada kecepatan spindel 1910 RPM, kecepatan pemakanan 0,168 mm/Rev, dan kedalaman potong 0,25 mm. Pahat dengan radius hidung lebih kecil (0,4 mm) lebih sesuai untuk menghasilkan permukaan halus pada baja karbon S45C.
Optimalisasi Parameter Proses Mesin CNC Milling Terhadap Kekasaran Permukaan Yang Akan Digunakan Untuk Membuat Cetakan Kampas Rem Depan Fadel Ramiro; Eko Yudo; Sukanto Sukanto
Jurnal Inovasi Teknologi Terapan Vol. 3 No. 2 (2025): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v3i2.271

Abstract

This study aims to determine the optimal parameters in the CNC Milling process to produce low surface roughness and improve the quality of brake pad molds. By applying the Taguchi method, the results showed that the process parameters have a significant effect on surface roughness. Data analysis revealed that increasing feed speed and depth were positively correlated with surface roughness. Of the parameters tested, feed speed had the largest contribution of 40.46%, followed by feed depth of 14.01%, and spindle speed of 12.36%. The optimal parameter combination proposed to achieve the best surface roughness is a feed speed of 100 mm/min, a feed depth of 0.2 millimeters, and a spindle rotation of 3343 RPM. These findings provide an important contribution to the automotive industry to improve the efficiency and quality of brake pad production, a component that plays a crucial role in vehicle safety.
Optimalisasi Parameter Pada Mesin CNC Milling Terhadap MRR Menggunakan Material S50C Dengan Metode Taguchi Afgi Finofal; Eko Yudo; Sukanto Sukanto
Jurnal Inovasi Teknologi Terapan Vol. 3 No. 2 (2025): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v3i2.313

Abstract

This study aims to analyze the effect of process parameters on the Material Removal Rate (MRR) in CNC milling machining of S50C steel material. The process parameters examined include spindle speed (RPM), cutting speed (Vc), and depth of cut. The experimental design uses the Taguchi method with an L9 (3³) Orthogonal Array matrix, including three repetitions to ensure data reliability. The analysis results show that the depth of cut has the most significant impact on increasing MRR, contributing 86.14%. The optimal MRR value is achieved with the process parameter combination of spindle speed at 3,184 rpm, cutting speed at 105 m/min, and depth of cut at 0.6 mm. Selecting the appropriate process parameters can enhance the efficiency of material removal in CNC milling machining. This research provides guidance for practitioners to determine optimal parameters to achieve maximum results in material processing.
Pengaruh Optimasi Parameter Machining CNC Milling Berbasis CAD/CAM Terhadap Percepatan Waktu Pemesinan Dudukan Cetakan Kampas Rem Ihwan Mukhtari Arifin; Eko Yudo; Nanda Pranandita
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 1 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i1.399

Abstract

This study analyzes the effect of optimizing CAD/CAM-based CNC milling parameters to reduce the machining time of a brake pad mold holder. The main issue addressed is the excessive machining duration caused by non-optimal cutting parameters, namely spindle speed, feed rate, and depth of cut. A quantitative experimental approach was employed using the Taguchi method and ANOVA, integrated with CAD/CAM simulation in Autodesk Fusion 360. A 3D model of the brake pad mold holder was developed and simulated to obtain machining time data from nine parameter combinations based on an L9 orthogonal array. The results show that depth of cut has the most significant influence on machining time (87.48%), followed by feed rate (12.49%) and spindle speed (0.03%). The optimal parameter combination was 3500 rpm spindle speed, 175 mm/min feed rate, and 0.6 mm depth of cut, achieving the shortest machining time of 16.633 seconds. This optimization improved machining efficiency by 78.12% compared to the initial condition. These findings confirm that integrating statistical optimization with CAD/CAM simulation can effectively accelerate high-precision manufacturing processes for automotive components.
PENGARUH VARIASI PARAMETER TERHADAP MATERIAL REMOVAL RATE DAN KEKASARAN PERMUKAAN STAINLESS STEEL 304 PADA PROSES CNC MILLING Dimas putra utama; Eko Yudo; Erwansyah Erwansyah
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 01 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Large material removal rate and minimal surface roughness are the desired objectives in the CNC MORI SEIKI MV40–m process with the right process parameters to obtain a large material removal rate response and minimal surface roughness. The parameters used are cut speed, nutritional depth and spindle speed. The experimental design used based on the response surface methodology method in the form of a behnken design box. The experiment was randomized as many as 3 replications to produce more optimal results. The results showed that for parameters that contribute greatly to material removal rate and surface roughness is cutting speed and depth of cut. To obtain a large material removal rate, the cut speed is set at 143.28mm/min and the depth of cut is set at 0.25mm with a yield of 4.694mm3/minute. And to get the minimal surface roughness value, the cut speed is 118.05mm/min and the depth of cut is 0.15mm with a yield of 0.964 μm.
Co-Authors Adam Maulana Adha, Adha Adhe Anggry Afgi Finofal Aisyah, Ratu Angga Satria Angga, Muhammad Angga Pratama Ardiansyah Ardiansyah Ariyanto Ariyanto Ariyanto Ariyanto Ariyanto, Aariyanto Arya Danutirta Bimas E Saputra Dersi Julianto Dharta, Yuli Dimas putra utama Eko Sulistyo Erni Chaerani Erwansyah, Erwansyah Erwanto Erwanto Fadel Ramiro Fahrizal Fahrizal Faing, Fatullah Fathur Rohman, Fathur Fatullah Faing Febriyansa, Agus Feriadi, Indra Gilbran, Adin Husman Husman Husman Husman ibnu salikin Idiar Ihwan Mukhtari Arifin Ikhya Naufal Izdihar Hirzani Jondi Supriyandi Khairun Nisah mahdan, zio eldi Mahendra, Anan Mar'i Akbar, Firzan Muhamad Fikri Burli Muhammad Haritsah Amrullah Muhammad Reza Mukhib Muhammad Yunus Nanda Pranandita Nicola, Adyu Nicola, Adyu Arya Nugraha, Amelia Oktafia Odidio Pratama Odidio Oktriadi, Yudi Pernanda, Gustian Ramli Ramli Ridho Rosmansyah Rina Melati Robert Napitupulu Rodika S Suzen, Zaldy Saputra, Aldi Yusuf Sateria, Angga SUBHAN, MUHAMAD Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sukanto Sukanto Sunding, Alang Suzen, Zaldy Sirwansyah Trisna Fitri Mutiari widyaastuti, eny erlinda yanto, Zulfitri Yuli Dharta Yuliyanto Yuliyanto Yuliyanto Zakdi Sirwansyah Suzen Zaldy Kurniawan zio eldi mahdan Zulfitri yanto Zulfitriyanto Zulfitriyanto Zulfitriyanto, Zulfitriyanto