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Arya Mahendra Sakti
Jurusan Teknik Mesin FT Unesa
Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Analisis pengaruh kecepatan dan lama waktu putaran alat sentrifugal terhadap viskositas susu kedelai maulana, Faiz sahrullah; Sakti, Arya Mahendra; Sofi, Nurul Ainu; Riandadari, Dyah
Jurnal Rekayasa Mesin Vol 11 No 01 (2026): JRM April 2026 (In Press)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v11i01.74419

Abstract

This study aims to analyze the effect of variations in rotational speed and centrifugation time on the viscosity and quality of soy milk. The centrifugation process was applied to accelerate the separation of liquid and solid phases (okara) in order to improve the physical quality of soy milk. The research was conducted using an experimental method with three rotational speed variations, namely 700 rpm, 900 rpm, and 1100 rpm, and three centrifugation time variations of 15 minutes, 20 minutes, and 25 minutes. The observed parameter was the viscosity value of soy milk. The results showed that increasing rotational speed and centrifugation time significantly affected changes in viscosity. The lowest viscosity value was obtained at a rotational speed of 700 rpm, amounting to 14,531 cP, while the highest viscosity value was recorded at 1100 rpm, reaching 44,194 cP. The rotational speed of 900 rpm was considered the most optimal condition because it produced a balance in viscosity without causing excessive thickening. This study is expected to serve as a reference for determining optimal centrifugation operating parameters in soy milk processing, particularly for small- and medium-scale applications.
Analisis Pengaruh Variasi Kecepatan dan Karakteristik Roda Penggiling Terhadap Kapasitas Hasil Penggilingan Dimas Aryaputra; Arya Mahendra Sakti; Dyah Riandadari; Nurul Ainu Sofi
Jurnal Rekayasa Mesin Vol 11 No 01 (2026): JRM April 2026 (In Press)
Publisher : Universitas Negeri Surabaya

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

Abstract

Optimizing the processing of agricultural waste, especially peanut hulls, is a significant challenge inincreasing the economic value of food byproducts. This study aims to analyze the performance of a disc millthrough experiments exploring two key mechanical parameters: variations in shaft rotational speed and thegeometric characteristics of the grinding wheel (number of blades). Experiments were conducted using anFFC-15 machine, where the grinding wheel was varied to 2, 3, and 4 blades, combined with variations in shaftrotational speed of 2400, 2600, and 2800 rpm. The results showed a nonlinear phenomenon, namely thatincreasing the number of blades did not always increase efficiency. The 4-blade configuration actually causedair turbulence and flow resistance, thus reducing production capacity, while the 2-blade configurationtriggered the release of many fine particles. The best performance was achieved with a 3-blade configurationat 2800 rpm, which produced the highest grinding capacity of 0.095 kg per minute. This configuration offersthe best balance between impact frequency and material circulation space, thus becoming a technicalrecommendation for improving the efficiency of the husk waste processing machine.
Rancang Bangun Mesin Uji Abrasi Material Alumunium Terhadap Pelumasan Oli Eko Saputra, Aditiya Wahyu; Wulandari, Diah; Sakti, Arya Mahendra; Puspitasari, Dewi
Jurnal Rekayasa Mesin Vol 11 No 01 (2026): JRM April 2026 (In Press)
Publisher : Universitas Negeri Surabaya

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Abstract

Abrasion is a common wear mechanism that occurs in machine components due to repeated frictional contact, particularly in aluminum materials that are widely used because of their light weight and corrosion resistance. Nevertheless, aluminum remains susceptible to wear when the lubrication system does not perform optimally. This study aims to design and develop a laboratory-scale abrasion testing machine and to analyze the effect of rotational speed on the wear behavior of aluminum 6061 under oil lubrication. The research employed a research and development method consisting of design, fabrication, assembly, functional testing, and abrasion testing stages. Abrasion tests were conducted at rotational speeds of 500, 1000, and 1500 RPM with a constant load of 3 kg, a test duration of 30 minutes, and Shell SAE 10W-30 oil as the lubricant. Quantitative data were obtained from the measurement of specimen mass loss before and after testing, while qualitative analysis focused on machine performance and operational stability during testing. The results indicate that the developed abrasion testing machine operated properly and was capable of producing consistent wear data. The mass loss of aluminum specimens increased with higher rotational speeds, with the highest average wear observed at 1500 RPM. This study contributes by providing a simple and cost-effective abrasion testing machine for laboratory applications and by offering insights into the influence of rotational speed on the wear behavior of aluminum under lubricated conditions.
Analisis Pengaruh Variasi Kecepatan dan Karakteristik Roda Penggiling Terhadap Kapasitas Hasil Penggilingan Dimas Aryaputra; Arya Mahendra Sakti; Dyah Riandadari; Nurul Ainu Sofi
Jurnal Rekayasa Mesin Vol 11 No 01 (2026): JRM April 2026 (In Press)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v11i01.75152

Abstract

Optimizing the processing of agricultural waste, especially peanut hulls, is a significant challenge in increasing the economic value of food byproducts. This study aims to analyze the performance of a disc mill through experiments exploring two key mechanical parameters: variations in shaft rotational speed and the geometric characteristics of the grinding wheel (number of blades). Experiments were conducted using an FFC-15 machine, where the grinding wheel was varied to 2, 3, and 4 blades, combined with variations in shaft rotational speed of 2400, 2600, and 2800 rpm. The results showed a nonlinear phenomenon, namely that increasing the number of blades did not always increase efficiency. The 4-blade configuration actually caused air turbulence and flow resistance, thus reducing production capacity, while the 2-blade configuration triggered the release of many fine particles. The best performance was achieved with a 3-blade configuration at 2800 rpm, which produced the highest grinding capacity of 0.095 kg per minute. This configuration offers the best balance between impact frequency and material circulation space, thus becoming a technical recommendation for improving the efficiency of the husk waste processing machine.
Redesign Mesin Belt Sander Meja Portable dengan Metode Quality Function Deployment (QFD): Belt Sander Redesign, Portable, Quality Function Deployment (QFD), House of Quality (HoQ) Andrew Sabbathinus Putra Subagio, Andrew; Riandadari, Dyah; Mahendra Sakti, Arya; Nugroho, Aji
Jurnal Rekayasa Mesin Vol 11 No 01 (2026): JRM April 2026 (In Press)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v11i01.75243

Abstract

Rapid technological developments demand increased efficiency and productivity in various industrial sectors, including the woodcraft industry. The sanding process, which is generally still done manually, results in long processing times and inconsistent results. Belt sanders are a solution to increase efficiency, but most designs in circulation are still large and stationary, making them less suitable for use by small businesses or home workshops. This study aims to redesign a portable benchtop belt sander using the Quality Function Deployment (QFD) method to ensure the resulting design meets consumer needs and desires. Through the QFD method, the voice of the customer is translated into technical product characteristics using the House of Quality (HoQ) matrix. The research method used is quantitative with a product design approach based on the Ulrich and Eppinger model, which includes four stages: planning, development, design, and detailed design. Data analysis is carried out through instrument validity and reliability tests, and processing of QFD results to determine key technical specifications. The results of this study are expected to produce a portable benchtop belt sander design that has better ergonomics, high flexibility, and is able to increase sanding process efficiency for small to medium-scale users.
Analisis Pengaruh Kecepatan Putaran Rol Terhadap Efisiensi Pengupasan Pada Mesin Pengupas Sabut Kelapa Tri agung; Riandadari, Dyah; Sakti, Arya Mahendra; Nugroho, Aji
Jurnal Rekayasa Mesin Vol 11 No 01 (2026): JRM April 2026 (In Press)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v11i01.75883

Abstract

Abstract: This study aims to analyze the effect of roller rotational speed variations on the efficiency, capacity, and quality of coconut husk peeling in a coconut husk peeling machine using small- and large-sized coconuts as test objects. The roller rotational speed variations applied were 120 rpm, 150 rpm, 180 rpm, 210 rpm, and 240 rpm, where the rotational speed served as the main parameter influencing peeling time, process success rate, and the potential for coconut damage. The research employed an experimental method through direct performance testing of the machine, with observation parameters including peeling time, machine capacity (fruits/hour), and peeling efficiency (%). The test results showed that at rotational speeds of 120 rpm and 150 rpm, the peeling efficiency of small coconuts reached 100%, while the peeling efficiency of large coconuts remained relatively low at 70% and 60%, respectively. At a rotational speed of 180 rpm, the peeling efficiency of large coconuts increased to 100%, with a machine capacity of 563 fruits/hour. Increasing the roller rotational speed to 210 rpm and 240 rpm further enhanced the machine capacity to 784 fruits/hour and 849 fruits/hour, respectively, while reducing the average peeling time to 4.2 seconds. However, at these higher speeds, the peeling efficiency of small coconuts decreased due to the increased mechanical forces acting on the material. Based on the results, a roller rotational speed of 180 rpm was identified as the most optimal condition, as it provided high peeling efficiency, adequate machine capacity, and good peeling quality without causing significant damage to the coconuts.
An RANCANG BANGUN MESIN PENGAMBILAN TELUR PUYUH OTOMATIS BERBASIS INTERNET OF THINGS: Rancang Bangun Mesin Pengambilan Telur Puyuh Otomatis Berbasis Internet Of Things: Desain Sistem Mekanis dan Kinerja Nur Assidiqin, Muhammad Hafizzin; Sakti, Arya Mahendra; Riandadari, Dyah; Arifianti, Lailatus Sa'diyah Yuniar
Jurnal Rekayasa Mesin Vol 11 No 01 (2026): JRM April 2026 (In Press)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v11i01.75857

Abstract

Abstract: Quail farming is one of the agribusiness sectors with significant potential to meet food demands in Indonesia. However, the egg collection process, which is still carried out manually, remains a major obstacle to improving efficiency and productivity. This manual process requires considerable time and labor and poses a high risk of egg damage. These conditions lead to increased operational costs and decreased production quality. This study aims to design and develop an Internet of Things (IoT)-based automatic quail egg collection machine to reduce dependence on manual labor and enhance production efficiency. The research method employed was Research and Development (RnD), which included literature review, system design, mechanical and electronic component assembly, performance testing, and data analysis. The developed system consists of a NEMA 23 stepper motor, roller conveyor, supporting sensors, and an ESP32 microcontroller integrated with an IoT-based application. The system is designed to enable automatic egg collection and allows remote monitoring and control via an internet network. The results indicate that the automatic quail egg collection machine performs optimally at a motor speed of 40 rpm with an operating time of one minute. Under these conditions, the system achieves a success rate of 98–100% with a cage capacity of 50 quails and a storage capacity of 100 eggs. Furthermore, the implementation of IoT technology enables real-time monitoring and control, thereby improving operational efficiency and ease of farm management. Therefore, the developed machine is proven to enhance productivity, reduce manual workload, and support the application of automation technology in the quail farming sector in Indonesia. Keywords: design and development, automatic machine, egg collection, Internet of Things, quail.
Co-Authors Abdulloh, Isa Yuanata ADI PRANATA, ANGGA ADITAMA, RESKY Afdhol, Muhammad Zikri Afero Pranesti, Dennova Afghan, Fayyadh Buddy Al Afifah, Hidayanti Nuzulatul Aji Nugroho Al Falaq, Mochammad Rama Alam, Ilham Rofiqul Alfadilla, Muhammad Fajar Alfarizi, Edgar Hafizh Alfie, Fahmi Putra Alwi, Zyanata Hasna Andita Nataria Fitri Ganda Andrew Sabbathinus Putra Subagio, Andrew Aprilianto, Mochammad Ismail Bagus Ardiansyah, Daniar Anggit Arifianti, Lailatus Sa'diyah Yuniar ARMAN HIDAYAT, DENDI Arruafy, Mohammad Ghithrof Asmara, Anggurit Aji Bayu Asyhar, Achmad Hanif AZIZ MASHURI, ABDUL BAGUS PERMANA, AFIF Cahyo Nugroho, Cahyo Casillas, Muhammad Kanz DANANG PRIAMBODO, JAROT Danar Pratama, Sindhi Darmawan, Indra DERI SUBAYU, RHOMDAN Dewi Puspitasari Diah Wulandari DIDIN NURDIANSYAH, AHMAD Dimas Aryaputra DWI LESMANA, DIO DWI SUHARSONO, NASWAN Dyah Riandadari Eko Saputra, Aditiya Wahyu FAHMY SATRIADI WASKITO, YOGA Fajar, Rafianto Takbiral FANDI ZAMRUDDIN, MOCHAMMAD Farizi, Aziizun Faiq Al Fatahillah, Idham Rizki Yusma Ferly Isnomo Abdi Fikri, Zainur Rijalul Firman Yasa Utama Firmansyah, Rian FIRSTA MARSYAH, ANGGI Fitri Ganda, Andita Nataria Ganda, Andita Ganda, Andita Nataria Fitri HAIKAL AMIN, FIKRI Hermawan, Dedy Andy Hidayat, Achmad Fachrus Hidayaturrahman, Hidayaturrahman Ibisono, Gigih Chandra Ilham, Muhammad Nur Ilhamsyah, Tegar Bayu INDRA NASUTION, DONNI ISWANTO, SYAHIDI Jalakusuma, Kevin Firdaus KHABIBULLAH, MUHAMMAD khuluq ma'addin, khusnul Kurnia Sandy, Muhammad Khoir Kurniawan, Prasetyo Tri Laksono, Alif Rahman Laksono, Teguh Setiawan Aldi Lanka, Linggar Anggita Cucu Manggalasari, Lena Citra Marwinsyah, Rizky Marzad, Deftana Aqsya maulana, Faiz sahrullah Ma’addin, Khusnul Khuluq Mujakki, Muhammad Akbar Murod, Moh Iqbal NAHRUDIN IBAD, MUHAMAD Nosuvian, Joko Laksono NOVEMIA HANY, FIRSTY Nur Assidiqin, Muhammad Hafizzin Nur Rohman, Muhammad Nurul Ainu Sofi PRADIPTA BUANA, HABIB Priyambada, Sashatta Daniela Rachmattan, Ryan Ramadhan, Aldhi Fahrezy Ramadhan, Maulana Trisnanda Ramadhan, Yanuar Makhsinardi Ridho, Mukhlis Yazid Rizky Ramadhani, Muhammad Rizqullah, Ahmad Fakih Muhaimin Rochaman, Nur ROHMAN FAIZOL, ABDUL SAKIN NUR HAZNA, GALUH Saputra, Prihatama Wahyu SETYA PRAYOGO, ARNES Sofi, Nurul Ainu Solichudin, Fiqih Nur Sugiarto, Fikri Ariyadhana Sulistyorini, Elisa Tri agung Trimariyono, Dimas Tsamroh, Dewi ‘Izzatus URFIE, FERDANSYAH WAHYU NUGROHO, MUHAMMAD WARJU Widoretno, Yustin Setiya Wildan Mufti Wirdana Wildan, Muhammad Wildan Satrio Bimo Wulandari, Cyndhi Kartika YOGA ARGE PUTRA, TRI Yolarinda, Dhiko Yulianto, Angki Narda