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All Journal Jurnal Energi Dan Manufaktur JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Rang Teknik Journal Dinamisia: Jurnal Pengabdian Kepada Masyarakat PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Menara Ilmu Jurnal Teknik Mesin JURNAL CRANKSHAFT Piston: Journal of Technical Engineering Jurnal Engine: Energi, Manufaktur, dan Material Reswara: Jurnal Pengabdian Kepada Masyarakat JTTM: Jurnal Terapan Teknik Mesin International Journal of Multidisciplinary Research and Literature (IJOMRAL) METAL : Jurnal Sistem Mekanik dan Termal Prosiding Seminar Nasional Teknologi Industri Berkelanjutan Technologica Jurnal Salingka Abdimas International Journal of Innovation in Mechanical Engineering and Advanced Materials Jurnal Katalisator IJIMCE : International Journal of Innovation in Mechanical Construction and Energy JAPEPAM, Jurnal Pengabdian kepada Masyarakat Miracle Get Journal TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Muchlisinalahuddin
Teknik Mesin, Fakultas Teknik, Universitas Muhammadiyah Sumatera Barat
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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Perancangan dan Analisis Kinematik Dengan Metode Grafis dan Bilangan Kompleks Dari Alat Peraga Engkol Peluncur Yogi Saputra; Muchlisinalahuddin; Riza Muharni
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 9 No 1 (2022): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v9i1.134

Abstract

Kinematika teknik adalah ilmu yang mempelajari pergerakan suatu mesin dan komponen yang sangat dibutuhkan dalam suatu perancangan mesin. Perancangan alat peraga kinematika engkol peluncur bertujuan untuk mendapatkan parameter kinematika yang bekerja pada engkol peluncur dengan variasi panjang batang dan kecepatan sudut batang input dimana alat peraga yang menampilkan gerak suatu mekanisme tertentu dianggap memadai dan cukup dalam pembelajaran kinematika dan dinamika teknik mesin, dimana pada masing-masing batang dapat ditentukan variasi dimensi batang dan data yang dihasilkan dari perhitungan akan mendapat besaran kecepatan dan percepatan sudut batang yang terjadi pada mekanisme engkol peluncur. Mekanisme engkol peluncur merupakan mekanisme yang umum dan paling sederhana yang terdiri dari 4 batang hubung. Suatu studi komparatif mengenai. Perhitungan kinematika menggunakan dua metode grafis dan bilangan kompleks dimana pada metode grafis menggunakan perggambaran poligon dan pada metode bilangan kompleks dilakukan perhitungan menggunakan rumus pergerakan trigonometri pada masing-masing sudut dan batang. Rata-rata persentase selisih dari perhitungan parameter kinematika dengan dua metode masih berada pada kisaran normal (dibawah 30%) 0,009 sampai 1,256%. Dari hasil analisa dapat disimpulkan bahwa kecepatan sudut batang 2 sangat mempengaruhi kecepatan dari batang 4 dan juga panjang batang 2 sangat mempengaruhi jarak maksimal pergerakan batang 4 (slider).hal ini dapat dilihat pada pergerakan alat peraga engkol peluncur
Penggunaan Trainer Pembangkit Listrik Tenaga Uap Sebagai Media Pembelajaran Untuk Meningkatkan Pemahaman Siswa SMK Dhuafa Padang Desmarita Leni; Aggrivina Dwiharzandis; Helga Yermadona; Muchlisinalahuddin Muchlisinalahuddin; Ade Usra Berli; Rahma Wati; Muhammad Farhan
Reswara: Jurnal Pengabdian Kepada Masyarakat Vol 7, No 2 (2026)
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/rjpkm.v7i2.8018

Abstract

Kegiatan Program Kreativitas Mahasiswa (PKM) ini bertujuan meningkatkan pemahaman siswa Program Keahlian Teknik Mesin di SMK Dhuafa Padang mengenai konsep konversi energi dan prinsip kerja Pembangkit Listrik Tenaga Uap (PLTU) melalui penggunaan trainer sebagai media pembelajaran. Permasalahan mitra adalah keterbatasan media praktik sehingga pembelajaran PLTU masih bersifat teoritis. Kegiatan dilaksanakan melalui demonstrasi trainer PLTU, pendampingan penggunaan alat, serta evaluasi menggunakan metode pretest dan posttest. Materi yang diberikan meliputi prinsip kerja turbin uap, fungsi komponen utama PLTU, dan pengamatan parameter suhu, tekanan, serta putaran turbin. Hasil kegiatan menunjukkan bahwa penggunaan trainer mampu meningkatkan pemahaman dan minat belajar siswa terhadap materi pembangkitan listrik. Sebanyak 40 dari 65 siswa memberikan penilaian “Sangat Baik” dan 25 siswa “Baik” terhadap penggunaan trainer. Dengan demikian, trainer PLTU efektif digunakan sebagai media pembelajaran interaktif pada pendidikan vokasi
THE IMPLEMENTATION OF PANDAS PROFILING AS A TOOL FOR ANALYZING MECHANICAL PROPERTIES DATA OF NICKEL-BASED SUPERALLOYS BASED ON ALLOY CHEMICAL COMPOSITION Desmarita Leni; Yuda Perdana Kusuma; Muchlisinalahuddin Muchlisinalahuddin; Ruzita Sumiati; Hendri Candra Mayana
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol. 4 No. 3 (2022)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijimeam.v4i3.19439

Abstract

The purpose of this study is to evaluate the mechanical properties of nickel-based superalloys with variations in alloy chemical compositions using the Exploratory Data Analysis (EDA) method with the assistance of the pandas profiling library on Google Colab. In this study, data from 312 tensile tests of nickel-based superalloys were used as research samples, with alloy chemical compositions including carbon (C), manganese (Mn), silicon (Si), chromium (Cr), nickel (Ni), molybdenum (Mo), vanadium (V), nitrogen (N), niobium (Nb), cobalt (Co), tungsten (W), aluminum (Al), and titanium (Ti), as well as mechanical properties such as yield strength (YS), tensile strength (TS), and elongation (EL). The methodology used in this study was the EDA method with the assistance of the pandas profiling library on Google Colab, which enables the automatic creation of a dataset report, presenting information on various aspects such as data structure, descriptive statistics, correlation, distribution, and missing values. The results show that yield strength has a fairly high correlation with titanium (0.51), medium correlations with nickel (0.25), vanadium (0.2), and cobalt (0.2). Tensile strength in nickel-based superalloys has a fairly high correlation with yield strength (0.88), carbon (0.49), and cobalt (0.55), and medium correlations with titanium (0.25) and vanadium (0.25). Elongation in nickel-based superalloys has a negative and fairly high correlation with tensile strength (-0.62) and yield strength (-0.58). Some warnings for missing data and zero values in some variables were identified. These results indicate that the pandas profiling library can be used as a tool to analyze the data of mechanical properties of nickel-based superalloys quickly and easily, and provide clear information on data patterns, data structure, and correlation among data.
PEARSON CORRELATION ANALYSIS OF OIL TESTING PARAMETERS ON REMAINING USEFUL LIFE (RUL) IN GEARBOX CHAIN BUCKET ELEVATOR Rahma Wati; Desmarita Leni; Muchlisinalahuddin Muchlisinalahuddin; Dytchia Septi Kesuma
International Journal of Multidisciplinary Research and Literature Vol. 5 No. 3 (2026): INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND LITERATURE
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ijomral.v5i3.427

Abstract

The gearbox in a chain bucket elevator system is a critical component of the cement production process and relies heavily on the reliability of the lubrication system. As operating hours increase, lubricating oil quality degrades, potentially affecting its remaining useful life (RUL). This study aims to analyse the linear relationship between oil-test result parameters and Remaining Useful Life (RUL) for chain bucket elevator gearboxes using the Pearson correlation method. The data used are 50 laboratory test results for the gearbox oil chain bucket elevator at Cement Mill Indarung VI, PT. Semen Padang collected from June 2019 to October 2025. The oil testing parameters analysed include DV Visc 40°C, DV Visc (%), ISO >6, NAS, Contamination Index, Ferrous Index, Chemical Index, Dielectric, and % Water. Data were analysed using the Pearson correlation method and visualised as a heatmap. The analysis results showed that the viscosity parameter had the strongest negative correlation with RUL, with a value of -0.741 for DV Visc 40°C and -0.658 for DV Visc (%). The Contamination Index and % Water parameters also showed a negative correlation with RUL, albeit with a lower level of influence. In practice, the results of this study can serve as a basis for oil condition monitoring to support condition-based maintenance strategies, enabling more timely oil change decisions and minimising the potential for gearbox failure.
IMPLEMENTATION OF NANJING SWANSOFT-BASED CNC LATHE SIMULATION IN THE MANUFACTURING OF PAPER WEIGHT PRODUCTS Apriyanto Apriyanto; Desmarita Leni; Muchlisinalahuddin Muchlisinalahuddin; Yuni Vadila; Asroful Abidin
International Journal of Multidisciplinary Research and Literature Vol. 5 No. 3 (2026): INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND LITERATURE
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ijomral.v5i3.437

Abstract

The development of manufacturing technology demands mastery of precise and efficient CNC lathe machines, but direct practice is often hampered by limited facilities, operational costs, and the risk of programming errors. This study aims to implement CNC lathe simulation based on Nanjing Swansoft CNC Simulator (SSCNC) in the manufacture of paper weight products as a medium for program verification and learning. The research methods include product design, machining parameter calculation, CNC program preparation using G-Code and M-Code based on FANUC 0i-T control, and testing through two machining stages. The workpiece has an initial diameter of 50 mm and a length of 54 mm with a chuck exit length of 40 mm at each stage. The cutting parameters used are a spindle speed of 1000 rpm and a feed rate of 0.5 mm/rev with an absolute programming system (G90). The tool configuration consists of a VNMG 350 carbide turning tool, an Ø18 mm drill, and a 2 mm internal grooving tool. The simulation results show that the two-stage program can be run without syntax errors, interpolation alarms, or tool path conflicts. The G02/G03 circular interpolation successfully generated a continuous radius, and all geometric features were formed according to the working drawings. The SSCNC simulation proved effective as a safe technical verification and learning medium before practicing on a real CNC machine.
DESIGN OF A MECHANICAL SYSTEM FOR A DRONE DELIVERY PACKAGE WITH A CAPACITY OF 2-3 KG Nofri Chailillul Rahmad Ihsan; Desmarita Leni; Muchlisinalahuddin Muchlisinalahuddin; Yuni Vadila; Muhammad Subri
International Journal of Multidisciplinary Research and Literature Vol. 5 No. 3 (2026): INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND LITERATURE
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ijomral.v5i3.438

Abstract

The increasing need for fast delivery drives the development of drones as an alternative logistics solution. However, increasing payload capacity impacts thrust requirements, power consumption, and structural stability, necessitating integrated mechanical design. This study aims to design a mechanical system for a 2-3 kg package delivery drone with a stable and energy-efficient quadcopter configuration at maximum payload conditions. The method used is a design engineering approach through 3D CAD modeling, mass distribution and center of gravity (CoG) analysis, and thrust and power estimation using momentum theory. Evaluations were carried out on the total system weight, hover thrust requirements, hover power, and peak power with a thrust-to-weight (T/W) ratio of 1.8-2.0. The results show that at a total mass of ±6.5 kg, a minimum thrust of approximately 1.63 kgf per motor is required for stable hovering. The estimated hover power is around 1.04 kW, while the peak power is close to 3 kW. The 6S 15,000 mAh battery configuration is capable of providing a hover duration of approximately 15 minutes. This design demonstrates technical feasibility for medium-scale logistics drone applications.
AQUAPONIC PIPING SYSTEM DESIGN CLOSED CIRCULATION WITH HEAD LOSS ANALYSIS AND PUMP PERFORMANCE Melyani Melyani; Desmarita Leni; Muchlisinalahuddin Muchlisinalahuddin; Yuni Vadila; Acep Wagiman
International Journal of Multidisciplinary Research and Literature Vol. 5 No. 3 (2026): INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND LITERATURE
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ijomral.v5i3.439

Abstract

Closed circulation aquaponic systems require proper piping design and pump selection to ensure flow stability, energy efficiency, and operational sustainability. This study aims to design and experimentally validate an aquaponic piping system based on major and minor head loss analysis and determination of Total Dynamic Head (TDH) as the basis for pump selection. The methods used include theoretical calculations using the Darcy Weisbach Equation, system curve construction (HQ), and experimental testing through measurements of actual discharge, pressure, and pump electrical power under real operating conditions. The results show that minor head loss dominates the total energy loss (±66%), while major head loss contributes ±34%. The system TDH is obtained at ±2.2-2.4 m at a design discharge of 24 L/min. Experimental testing shows an actual discharge of 22–23 L/min with a deviation of <8% from the theoretical calculation. Actual pump power shows operational efficiency in the range of 48–55%. Pipe diameter sensitivity analysis shows that increasing the main diameter by 1 level can reduce head loss by 18–25% and reduce pump power requirements by ±12%. These results confirm that optimizing fitting layout and diameter selection has a greater impact on system efficiency than simply increasing pump capacity. This research contributes a system curve-based design approach and experimental validation to improve the reliability and energy efficiency of closed-circulation aquaponics systems.
DESIGN AND OPTIMIZATION OF ROTARY ROBOT ACTUATORS FOR HIGH-PRECISION CARTRIDGE CAP ASSEMBLY APPLICATIONS IN THE MANUFACTURING INDUSTRY Veri Fernando; Desmarita Leni; Muchlisinalahuddin Muchlisinalahuddin; Yassirli Amri
International Journal of Multidisciplinary Research and Literature Vol. 5 No. 3 (2026): INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND LITERATURE
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ijomral.v5i3.440

Abstract

The use of Rotary Actuators in Industrial Automation systems requires adequate mechanical protection to ensure product quality, system reliability, as well as component durability and safe operation. However, many of the existing machine designs and assembly processes do not fully take into account structural strength, precision quality, ease of adjustment, and maintenance efficiency. This study aims to develop and design the assembly process of high-quality cartridge covers along with their installation system for rotary robotic actuators, taking into account aspects of quality, safety, functionality, and practical implementation. The research methodology includes a literature review, cause analysis, testing, and evaluation. Testing was conducted based on defect rate and the accuracy and precision of the system. The evaluation results showed a significant performance improvement after replacing the pneumatic actuator systems with electric actuators and making mechanical design improvements. Repeatability increased by about 87.6%, the defect rate measured by DPPM decreased by about 92%, and the safety factor reached 2.4, indicating a strong mechanical safety margin. In addition, the operation cycle time remains stable, supporting production needs without compromising reliability. The decrease in DPPM itself is a manufacturing quality metric that measures the number of defective units per one million productions, commonly used to assess the quality and reliability of the production line. These findings confirm that the cartridge cover assembly and installation design developed provides better mechanical protection, facilitates installation, and reduces product defects. Thus, the rotary electric actuator is superior in reducing DPPM and the level of precision.
Co-Authors Acep Wagiman Ade Ari Agasi Ade Usra Berli Adriansyah Adriansyah Afriyani, Sicilia Aggrivina Dwiharzandis Aprilman, Devia Apriyadi, Yudi Apriyanto Apriyanto Arief, Rudi Kurniawan Armila Armila Asep Gustiawan Asroful Abidin Azfa, Naila Arifah Bakri Anuar, Bakri Candra Mayana, Hendri Daisy Debora Grace Pangemanan Dedi Wadianto Desmarita Leni Dytchia Septi Kesuma Fadel, Habib Putra Faisal, Bellia Ananda Fajar Nur Fadhli Fajri Arsyah, Ahmad Hasnul Fauzan Feby Handayani Femi Earnestly Femi Earnestly Firdaus Firdaus Firdaus Firdaus Firdaus Handradol, Novais Hariadi Hariadi Hasnah Wita Helga Yermadona Hendery Dahlan, Hendery Hendra Hendra Hidayat, Muhamad Fikri Ilham Alghani Irwan Anwar Ismail Furqani Jana Hafiza Joko Pitoyo Joni Saputra Kamil, Muhammad Aslam Kesuma, Dytchia Septi Kit Nada kusuma, Yuda Perdana Mahardika, Melbi Maimuzar Maimuzar Maluw, Fandel Martanto Meifal Rusli Meifal Rusli, Meifal Melyani Melyani Mira Meilisa Muhammad Farhan Muhammad Rizki Pratama Muhammad Subri Muharni, Riza Mulyadi Bur Nasirwan Nasirwan Nefli Yusuf Nofri Chailillul Rahmad Ihsan Nofrinaldi Saputra Saputra Novais Handradol Nugraha, Rezky Adrian Nurhaida Nurhaida Peng, Lim Hooi Pingki Pernandes Predi Maulana Putra Qori Anjelika, Dea Raden Mohamad Herdian Bhakti Rahma Wati Rahma Wati Rahmi, Nurfitri Ramdani Setiawan Reyhan Stevano Rizki Hamdani Rudi Kurniawan Rudi Kurniawan Arief Ruzita Sumiati Sagyta Yeniza Putri Setiawan, Ramdani Sir Anderson Sri Wahyuni Torikkuljanna Usni, Eka Nur Usriadi Usriadi Venny Yusiana Verdian, Riza Veri Fernando Weldri Fernando Yassirli Amri Yogi Saputra Yogi Saputra Yuda Perdana Kusuma Yuni Vadila Yusuf, Nefli Zikri, Zahim