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All Journal Rekayasa Mesin Media Mesin: Majalah Teknik Mesin R.E.M (Rekyasa Energi Manufaktur) Jurnal Jurnal Abdimas ADPI Sains dan Teknologi PELS (Procedia of Engineering and Life Science) Sewagati Journal Of Engineering Sciences (Improsci)
Fahruddin, A'rasy
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Arts Humanities Astronomy Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Public Health Social Sciences Other

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ANALISIS HEAD POMPA SENTRIFUGAL PADA RANGKAIAN SERI DAN PARALEL Putro, Eko Prasetio; Widodo, Edi; Fahruddin, A'rasy; Iswanto, Iswanto
Media Mesin: Majalah Teknik Mesin Vol 21, No 2 (2020)
Publisher : Program Studi Teknik Mesin, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/mesin.v21i2.10671

Abstract

Dalam penelitian ini adapun tujuan yang diharapkan terkait dengan analisis perhitungan head pompa sentrifugal pada rangkaian seri dan paralel yaitu untuk mengetahui perbandingan nilai head total pompa dari dari masing-masing rangkaian, serta untuk mengetahui perbandingan dari hubungan head (m) terhadap bukaan valve dan juga hubungan head loss terhadap bukaan valve. Proses pengujian dilakukan dengan menggunakan dua pompa sentrifugal tipe 1 ½ BA-6 dengan jenis fluida kerja yang dipakai ialah air pada temperatur ±30?C. Dari hasil penelitian yang telah dilakukan didapatkan suatu hasil data analisis dari perhitungan head total pompa,  dimana nilai head total pompa seri untuk bukaan katup penuh sebesar 38,79 m dengan debit aliran 0,00325 , bukaan katup 2/3 nilai head total sebesar 46,14 m dengan debit aliran 0,00323  dan bukaan katup 1/3 nilai head total sebesar 50,16 m dengan debit aliran 0,00306 . Sedangkan pada pompa paralel diperoleh nilai head total dari bukaan katup penuh sebesar 27,7 m dengan debit aliran 0,00375 , bukaan katup 2/3 nilai head total sebesar 32,6 m dengan debit aliran 0,00374  dan bukaan katup 1/3 nilai head total sebesar 37,9 m dengan debit aliran 0,00367 . Dari hasil data yang diperoleh dapat diambil kesimpulan bahwa adanya kenaikan nilai head total terhadap variasi pengaturan bukaan valve yang mana nilai head total tertinggi terdapat pada bukaan valve 1/3. Dan dari kedua jenis rangkaian terlihat adanya penurunan nilai head total seiring juga dengan bertambahnya nilai debit/kapasitas pada pompa. Sehingga hubungan antara head total dengan debit adalah berbanding terbalik, dimana nilai head  terendah diperoleh pada debit yang paling besar. 
TEKNOLOGI TEPAT GUNA SEDERHANA PENGELOLAAN AIR JERNIH DI DESA WISATA SUMBERGEDANG PASURUAN Harmi Tjahjanti, Prantasi; -, Iswanto; Fahruddin, A'rasy; Ryan Ernanda, Rico
Jurnal Abdimas ADPI Sains dan Teknologi Vol. 2 No. 1 (2021): Jurnal Abdimas ADPI Sains dan Teknologi
Publisher : Asosiasi Dosen PKM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47841/saintek.v2i1.170

Abstract

During the Covid-19 pandemic, the tourist village of Sumbergedang, Pandaan Pasuruan, experienced a drastic decrease in visitors, which greatly reduced their income. Meanwhile, in the village, water from the mountains is very abundant. Purpose and solution offered is to manage clear water in the village using Simple Appropriate Technology, namely making a tubing tube to fill the clear water which will later be processed into clean water. The clean water produced is ready to drink, and this will be a separate effort to increase the income of residents in the tourist village of Sumbergedang during the Covid-19 pandemic
Leveraging Six Sigma for Enhanced Reliability in Heavy Equipment Operations Fahruddin, A'rasy; Araffi, Moh. Faisal
Procedia of Engineering and Life Science Vol 7 (2024): Proceedings of the 7th Seminar Nasional Sains 2024
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v7i0.1543

Abstract

This study addresses the prevalent issue of mechanical failures in heavy equipment and dump trucks within a leading special steel production firm. Utilizing the Six Sigma methodology, the research conducted in August 2023 aimed to systematically design and implement corrective actions to improve maintenance processes. Preliminary results from the IRGA Department's interventions suggest a significant reduction in breakdown frequency and severity, indicating enhanced operational efficiency and reduced downtime. These findings highlight the potential of Six Sigma as an effective tool in optimizing industrial maintenance strategies, with implications for boosting productivity and sustainability in heavy industries globally. Highlights: Regular maintenance prevents costly damage. Six Sigma ensures systematic improvement. Vision: Leading in quality and environmental care. Keywords: Steel Bar Casting (billet), Flat Bar, Round Bar Production
Prototype Energy Saving Car Chassis Design and Analysis Using 6061 Aluminum Material Pangestu, Eka Adji; Fahruddin, A'rasy; Akbar, Ali; Firdaus, Rachmat; Iswanto; Nia Nuraeni Suryaman
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 9 No 2 (2024): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v9i2.1706

Abstract

The chassis is an important component car which functions to support the load on the vehicle and has a strong construction. The chassis, as the main support for all vehicle componentsy. Increased fuel use and rising global crude oil prices have encouraged research into energy saving cars with special designs that can reduce fuel consumption and pollutant emissions. The design process with variations in rollbar shape and variations in cross sectional shape with 6061 aluminum material using Autodesk Inventor 2024 software. After the design process is complete, stress analysis test stage is carried out to obtain analysis data, namely von misses stress, strain, displacement, safety factor. The results of the chassis design using concept B with a pipe cross-sectional shape and rollbar fillet model are more recommended, because it has better von Mises stress value and a better safety factor, besides that the concept B chassis design is easier in the assembly process with prototype type energy efficient car body.
Analysis of Water Distribution in Building A in Widyatama University Environment Suryaman, Nia Nuraeni; Komarudin, Udin; Martoni; Prasetia, Adhita; Santoso, Heru; Fahruddin, A'rasy
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 9 No 2 (2024): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v9i2.1711

Abstract

The need for clean water increases every year, while the means to provide clean water require planning. The importance of water in the realm of education is comparable to that of household needs. Water on the 3rd and 4th floors of Building A often doesn't flow. The aim of this research is to identify the root cause of the insufficient water flow on the 3rd and 4th floors of Widyatama University Building A, and to devise a solution for the water flow distribution system. The research employs a variety of methods, including literature review, data collection, data analysis, results analysis, and interpretation. The conclusion is that the water drainage on the 3rd and 4th floors is 0.612 L/s and 0.510 L/s, which is below the standard (0.9–2 L/s). The drainage of water in the main pipe was uncertain based on its diameter. The solution to this problem is to install booster pumps on the 3rd and 4th floors. The next solution is to change the main pipe diameter to 1 1⁄4".
Implementasi Mesin Perajang dan Pengaduk Sambal untuk Pengembangan UMKM Sambal Klotok Riandi Desa Karangbong Gedangan Sidoarjo Fahruddin, A'rasy; Hermawan, Sigit; Hudi, Lukman; Mulyadi
Sewagati Vol 8 No 6 (2024)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26139960.v8i6.2230

Abstract

Kabupaten Sidoarjo sebagai salah satu daerah yang memiliki potensi besar di sektor perikanan, hal tersebut didasari dengan luas nya area pertambakan dan pesisir yang ada di Sidoarjo. Hasil tambak dan laut tersebut dapat diolah sehingga menjadi produk yang memiliki nilai jual tinggi. UMKM Sambal Klotok Riandi yang berlokasi di Desa Karangbong Gedangan Sidoarjo berhasil mengolah hasil tambak dan laut tersebut menjadi produk sambal yang dapat dijual dipasaran dan dapat disimpan dalam waktu yang cukup lama. Permasalahan yang dihadapi ialah belum adanya alat yang menunjang proses produksi dalam skala besar. Seperti halnya mesin perajang dengan kapasitas yang besar dan mesin pengaduk sambal selama proses pemasakan. Dalam kegiatan pengabdian masyarakat ini dilakukan suatu rancang bangun mesin yang dibutuhkan untuk menunjang UMKM Sambal Klotok Riandi agar dapat meningkatkan hasil produksi. Dilakukan juga demonstrasi alat dan pemberian mesin perajang dan pengaduk sambal kepada pelaku usaha. Dilakukan juga uji nilai gizi pada beberapa varian sambal, yang hasil ujinya dapat diletakkan pada bagian label produk. Dari hasil pelaksanaan sosialisasi dan pelatihan yang sudah dilakukan, pelaku UMKM dapat meningkatkan jumlah produksi serta proses menjadi lebih efisien dan tidak membutuhkan tenaga yang banyak.
Core Material Manufacturing Study On Aluminum Composite Panel (ACP) Harmi Tjahjanti, Prantasi; Fahruddin, A'rasy; Mulyadi, Mulyadi; Hardy Sujiatanti, Septia; Eryandrie Wicaksono, Majdi; Bamban Jakaria, Ribangun
Journal of Engineering Sciences Vol 2 No 3 (2024): Vol 2 No 3 December 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i3.579

Abstract

An aluminum composite panel (ACP) is a flat panel with aluminum plates/sheets that are rigid and strong but relatively lightweight. Between the two plates, the core material content is generally made of polyethylene and polyurethane. However, the two core materials are not resistant to high temperatures/heat. They are flammable, so it is urgent to make variations of other core materials resistant to high temperatures. This study aims to provide variations for ACP core materials using polymer materials resistant to high temperatures, namely Low-Density polyethylene (LDPE) and Polyoxymethylene (POM). The method used is experimental/fabrication of ACP making. The high-temperature test was carried out in a furnace with a temperature of 3000C, 3500C, and 4000C, each with a holding time of 1 hour. The results obtained from observing the microstructure using an Optical Microscope before and after the test damaged the core material while the Aluminum metal was still intact. The mass of ACP before and after testing also changed. Overall, at the three temperatures above, the LDPE core material does not withstand this temperature because the temperature is above the melting point of the LDPE material.
Investigation Study of Semi-Bio Briquettes and Synthesis Briquettes From Used Polymer Waste Plastic Bottles Harmi Tjahjanti, Prantasi; Bamban Jakaria, Ribangun; Febriyan Ikhsanudin, Achmad; Fernanda, Rexy Eca; Akbar, Ali; Fahruddin, A'rasy
Jurnal Improsci Vol 2 No 5 (2025): Vol 2 No 5 April 2025
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i5.668

Abstract

Up to 2022, Indonesians will produce 69 million tons of waste, of which 12.5 million tons, or 18.2%, will be plastic waste. Since 1995, the number has been growing dramatically. Recycling shredded waste to reduce its volume and enable processing into other materials is one way to manage plastic waste appropriately. This study specifically converted plastic bottle waste into briquettes for used polymer waste. Briquettes are made from recycled plastic bottles used to make polymer waste. There are two types of briquettes made from this waste: Semi-Bio Briquettes, which are made from recycled plastic bottles that have been used to make polymer waste mixed with natural materials like wood sawdust and coconut fiber and adhered with starch, and Synthesis Briquettes, which are made from recycled plastic bottles that have been used to make patchwork or fabric waste and paper waste. The next tests include (1) the Calorific Value Test (Bomb Calorimeter Method), (2) the Proximate Test following SNI 01-6235-2000, which assesses bound carbon, moisture content, ash content, volatile matter content, and other factors, and (3) the Gas/Smoke Emission Test following 2017 RI Minister of Environment and Forestry Regulation Standards. SEM was used to examine the microstructure of synthetic and semi-bio briquettes. While the calorific values for synthetic briquettes did not satisfy the specifications, the results for semi-bio briquettes met the standards. The proximate test results, however, revealed that the two briquettes did not meet the specifications for bound carbon content while meeting the standards for volatile matter content and moisture level. However, only semi-bio briquettes meet the requirements for ash content. The CO, CO2, and HC gas/smoke emission tests all yielded data that complied with the 2017 RI Minister of Environment and Forestry Regulation requirements. Semi-bio briquettes' microstructure observations were less hollow and denser than those of synthetic briquettes.
STUDY OF UNDERWATER FRICTION STIR WELDING PROCESS PARAMETERS ON AA6005-T6 MATERIAL FOR MARINE INDUSTRY AND UNDERWATER STRUCTURE APPLICATIONS Mulyadi, Mulyadi; Fahruddin, A'rasy; Firdaus, Rachmat; Ahfas, Akhmad
Jurnal Rekayasa Mesin Vol. 16 No. 2 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/

Abstract

This research explores Underwater Friction Stir Welding (UFSW) on AA6005-T6 material, focusing on identifying optimal process parameters to enhance joint quality in terms of macrostructure, tensile strength, impact strength, and hardness. The results from UFSW welding of AA6005-T6 indicate that optimal process parameters yield better joint quality. The macrostructure of specimens with optimal parameters, such as spc 7, demonstrates improved homogeneity and minimal defects. The highest tensile strength and impact strength were achieved in this specimen, with a tensile strength of 117.7 MPa and an impact strength of 0.944 joule/mm², compared to other specimens. Meanwhile, the hardness of the welded joints, which is lower than the base metal, reflects the influence of process parameters on the microstructure of the joints. Overall, these results underscore the importance of precise parameter control to achieve high-quality welds. This research provides valuable insights into the effectiveness of process parameters in producing high-quality joints in underwater welding environments and highlights the potential of UFSW as an innovative method for underwater welding.
Co-Authors Ahmad Ahfas Ali Akbar Araffi, Moh. Faisal Edi Widodo, Edi Eryandrie Wicaksono, Majdi Febriyan Ikhsanudin, Achmad Fernanda, Rexy Eca Hardy Sujiatanti, Septia Heru Santoso iswanto Iswanto -, Iswanto Iswanto Iswanto Komarudin, Udin Lukman Hudi Martoni MULYADI Mulyadi Mulyadi Nia Nuraeni Suryaman Pangestu, Eka Adji Prantasi Harmi Tjahjanti Prasetia, Adhita Putro, Eko Prasetio Rachmat Firdaus Ribangun Bamban Jakaria Ryan Ernanda, Rico Sigit Hermawan Suryaman, Nia Nuraeni