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Integrated Mechanical Engineering Journal
Published by Universitas Global Jakarta
ISSN : -     EISSN : 30267579     DOI : https://doi.org/10.56904/imejour
Core Subject : Science, Engineering,
Automotive Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Integrated Mechanical Engineering Journal (IMEJOUR) merupakan jurnal ilmiah yang menyajikan artikel orisinal tentang pengetahuan dan informasi riset atau aplikasi riset dan pengembangan terkini dalam bidang teknologi. Ruang lingkup IMEJOUR meliputi bidang Teknik Mesin dan yang terkait. Fokus and Scope: 1. Desain Manufaktur 2. Konversi Energi dan Energi Terbarukan 3. Ilmu dan Teknik Material Jurnal ini merupakan sarana publikasi dan ajang berbagi karya riset dan pengembangannya di bidang teknologi. Pemuatan artikel di jurnal ini dialamatkan ke kantor editor. Informasi lengkap untuk pemuatan artikel dan petunjuk penulisan artikel tersedia di dalam setiap terbitan. Artikel yang masuk akan melalui proses seleksi mitra bestari dan/atau editor. Jurnal ini terbit secara berkala sebanyak dua kali dalam setahun (November dan Mei).
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 42 Documents
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Pengaruh Kecepatan Penggilingan dan Ukuran Saringan Terhadap Kapasitas Produksi Penggilingan Jagung Menggunakan Mesin Penggiling Jagung Sederhana Erwin Kristian; Mohamad Zaenudin; Ida Bagus Indra
Integrated Mechanical Engineering Journal Vol. 3 No. 2 (2025): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 3 No. 2 November 2025
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v3i02.152

Abstract

Kemajuan ilmu pengetahuan dan teknologi menuntut masyarakat untuk berpikir kreatif dan berinovasi guna menghasilkan produk yang berkualitas. Banyak peralatan bantu yang dirancang untuk menyederhanakan proses kerja. Selain itu, proses produksi juga dituntut untuk lebih cepat, berbiaya rendah, mudah dirawat, serta mampu meningkatkan kualitas dan memenuhi kebutuhan masyarakat. Untuk itu, diperlukan mesin yang tepat guna meningkatkan pengolahan produk pertanian, terutama dalam menciptakan sistem penggilingan jagung yang praktis dan ekonomis. Penelitian ini berfokus pada mesin penggiling jagung yang dirancang dengan mekanisme penggilingan yang dimodifikasi. Spesifikasi mesin ini meliputi pisau ber-bilah 3 (tiga) dengan variasi pengaturan kecepatan dan ukuran saringan yang berbeda. Mesin ini terbuat dari stainless steel untuk memastikan hasil yang lebih bersih dan memperpanjang umur pakai mesin. Metode pengujian dilakukan sebanyak tiga kali untuk setiap konfigurasi bilah, dengan menggunakan variasi kecepatan 100% dan 50% dimer. Setiap uji coba dilakukan dengan menggiling 0,5 kg jagung menggunakan dua ukuran saringan (3 mm dan 6 mm) untuk menilai kehalusan jagung yang digiling. Hasil penelitian menyimpulkan bahwa semakin besar ukuran saringan, maka semakin cepat proses penggilingannya, yang juga linier dengan peningkatan cepat putaran mesin yang meningkatkan kapasitas produksi. Namun demikian, pada saringan yang lebih besar (6 mm), perbedaan kecepatan putaran tidak terlalu berpengaruh, sehingga untuk mendapatkan hasil penggilingan yang lebih kasar tidak diperlukan kecepatan maksimal (100%), cukup dengan pengaturan kecepatan 50%.
Bagaimana Program Keteknikan Mesin Bertahan Ditengah Penurunan Minat pada Bidang STEM dan Disrupsi AI? Mohamad Zaenudin; Adhes Gamayel; Yasya Khalif Perdana Saleh; M. Luqman Saiful Fikri; M. Untung Zaenal Priyadi
Integrated Mechanical Engineering Journal Vol. 3 No. 2 (2025): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 3 No. 2 November 2025
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v3i2.153

Abstract

Berdasarkan data penerimaan mahasiswa baru dari Kemendikti-Saintek, bidang STEM secara umum mengalami pengurangan minat. Hal ini ditengarai dikarenakan berbagai faktor, seperti dukungan yang dinilai kurang, pengaplikasian kurikulum yang belum aktual, serta kesan bidang STEM yang jauh dari konteks pembelajaran yang bermakna. Meskipun berbagai upaya telah dilakukan, namun cakupannya dinilai kecil, jika dibandingkan dengan keseluruhan sistem pendidikan di Indonesia. Oleh sebab itu, beberapa solusi ditawarkan untuk memperbaiki hal tersebut, seperti dukungan dan kolaborasi dengan berbagai stakeholder, termasuk pemerintah, industri, dan institusi pendidikan, investasi dalam mendorong pendidikan di bidang STEM, serta promosi secara lebih masif terhadap bidang STEM melalui kegiatan seperti seminar, workshop, sertifikasi, pameran, dan konten edukasi melalui sosial media. Langkah seperti tersebut diharapkan dapat menarik minat siswa dan mahasiswa pada bidang STEM dalam upaya menyokong kebutuhan tenaga terampil di bidang STEM dalam menyongsong Indonesia Emas 2045.
Experimental Analysis of Tire Inflation Pressure Effects on Fuel Consumption and CO₂ Emissions in a Gasoline-Powered Light Vehicle Hakim, Moh Azizi; Maulana, Rizqi Adi; Sukmara, Sony; Heriyana, Erik; Qudratullah, Fahmi
Integrated Mechanical Engineering Journal Vol. 1 No. 1 (2023): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 1 No. 1 2023
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v1i1.202

Abstract

Fuel consumption reduction remains an important issue in automotive engineering because it affects vehicle operating costs, energy efficiency, and carbon dioxide emissions. One of the practical factors influencing fuel consumption is tire inflation pressure. Under-inflated tires increase tire deformation and rolling resistance, which require additional engine power to maintain vehicle motion. This study aims to analyze the effect of tire inflation pressure variation on fuel consumption and estimated CO₂ emissions in a gasoline-powered light vehicle. The experimental design used four tire pressure levels, namely 26 psi, 30 psi, 33 psi, and 36 psi. Fuel consumption was measured using the full-to-full method on a fixed driving route under controlled operating conditions, including vehicle load, fuel type, route distance, and driving behavior. CO₂ emissions were estimated using a gasoline emission conversion factor. The experimental template shows that lower tire pressure tends to increase fuel consumption. At 26 psi, the vehicle recorded the highest fuel consumption, while pressure near the manufacturer’s recommendation produced lower fuel consumption. The estimated CO₂ emissions followed the same pattern because they were directly proportional to the amount of gasoline consumed. These findings indicate that tire pressure maintenance can contribute to fuel efficiency improvement and emission reduction without requiring modification of the engine system. The main contribution of this study is the formulation of a simple experimental framework for evaluating tire pressure, fuel economy, and emission relationships in light vehicles. This research is relevant for automotive maintenance practice, energy efficiency studies, and sustainable transportation engineering.
Mechanical and Moisture Resistance Evaluation of Alkali-Treated Coconut Fiber/E-Glass Hybrid Epoxy Composite for Lightweight Engineering Applications Sukmara, Sony; Ariyanto; Hakim, Moh Azizi; Heriyana, Erik; Qudratullah, Fahmi
Integrated Mechanical Engineering Journal Vol. 1 No. 1 (2023): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 1 No. 1 2023
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v1i1.203

Abstract

In mechanical engineering, the demand for lightweight and sustainable materials is gaining significant momentum, as the choice of material impacts the efficiency, energy usage, and environmental footprint of mechanical systems. Natural fiber reinforced polymer composites have many advantages like low density and renewability but they are not widely used due to moisture sensitivity and poor fiber–matrix bonding. In this study, an alkali treatment process of coconut fibers and their hybridization with E-glass fibers for structural and semi‑structural components application using an epoxy composite is investigated. The work is tested for its tensile, flexural, impact, specific strength and moisture absorption properties. Coconut fibers were processed with sodium hydroxide to increase the surface roughness and remove hydrophilic impurities from the fibers and composite laminates were prepared by a hand lay-up technique in which the fibers were cured at room temperature. Experimental study shows that the tensile and flexural strength, impact resistance and specific strength of natural fiber composites of hybridization with E‑glass fiber are significantly increased when compared to natural fiber composites without hybridization, mainly due to the bridging effect of E‑glass fiber and reduced fiber pull out and load transfer. The hybrid composite also demonstrates reduced water absorption, further enhancing its potential for lightweight applications where durability and environmental considerations are paramount. In summary, this study contributes to the progress of sustainable composite development by comprehensively uniting the fiber treatment, hybrid reinforcement, mechanical evaluation, and moisture resistance in a single experimental system.
Energy, Exergy, and Drying Kinetics Assessment of a Solar-Assisted Heat Pump Dryer for Sustainable Agricultural Product Processing Qudratullah, Fahmi; Efendi, Irwan Saputra; Hakim, Moh Azizi; Heriyana, Erik; Sukmara, Sony
Integrated Mechanical Engineering Journal Vol. 2 No. 1 (2024): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 2 No. 1 2024
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v2i1.204

Abstract

Drying is an important agricultural post-harvest operation which requires high energy input and produces inconsistent agricultural products quality by conventional methods. Alternatively, solar assisted heat pump drying can be provided which is more efficient by utilizing both renewable solar heat and heat pump dehumidification and heat recovery. In this study, an integrated drying kinetics, energy analysis and exergy evaluation framework are developed to evaluate the performance of solar-assisted heat pump dryer. The framework describes mathematically derived indicators to describe moisture reduction behavior, drying rate, energy consumption, coefficient of performance, specific moisture extraction rate, drying efficiency, and exergy efficiency. Illustrative results demonstrate that the system continuously reduces the moisture content while increasing the energy utilization in comparison to conventional hot-air drying, where the COP and the SMER are important transients measuring energy delivery for useful purposes and the ability to remove moisture, respectively. Exergy analysis also pinpoints the main exergy-irreversibility sources in the drying chamber and heat-transfer components. The study is overall an integrated mechanical-engineering approach that connects drying behavior, heat transfer, energy consumption and exergy losses for designing and optimizing sustainable and energy efficient dryers for agricultural and food processing applications.
Sustainable Turning Performance of AISI 1045 Steel under Nanofluid Minimum Quantity Lubrication: An Integrated Assessment of Surface Roughness, Tool Wear, Specific Cutting Energy, and Carbon Emission Erik Heriyana; Arief Syahrul Ramadhan; Sony Sukmara; Moh Azizi Hakim; Fahmi Qudratullah
Integrated Mechanical Engineering Journal Vol. 2 No. 1 (2024): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 2 No. 1 2024
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v2i1.205

Abstract

With the growing demand for sustainable machining, this has focused interest on finding sustainable alternatives to traditional cutting that is energy consuming, fast tool change and has negative environmental impact. A cleaner method is Nanofluid minimum quantity lubrication (MQL) which involves using cutting fluid in reduced quantities to achieve appropriate lubrication and cooling. In this study, the surface roughness, tool wear, material removal rate, cutting power, specific cutting energy and carbon emission of the nanofluid-MQL process were studied. The effect of cutting speed, feed rate, depth of cut and lubrication condition on the aspect of quality of machining, degradation of tool and energy and environmental performances are analyzed by using a narrative mathematical model. The results revealed that machining performance can be improved using nanofluid-MQL, as it provides excellent lubrication, lower friction, and more stable chip formation, which results in lower surface roughness, lower tool wear, and lower specific cutting energy. The study has developed a comprehensive sustainable machining model that connects machining parameters with tool life, surface integrity, energy usage and carbon emission, which can facilitate the realization of cleaner production and more energy efficient manufacturing systems.
Hydraulic Performance Assessment of a Low-Head Cross-Flow Turbine for Pico-Hydropower Applications: An Integrated Analysis of Flow Rate, Torque, Shaft Power, and Turbine Efficiency Moh Azizi Hakim; Arya Najarudin; Sony Sukmara; Erik Heriyana; Fahmi Qudratullah
Integrated Mechanical Engineering Journal Vol. 2 No. 2 (2024): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 2 No 2 2024
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v2i2.206

Abstract

Pico‑hydropower is a viable solution to produce electricity using small amounts of water from a water source, thereby reducing the need for significant infrastructure in rural and remote settings. The cross-flow turbine is well suited and has simple construction and stable operation for low head, variable flow conditions, among the available turbine types. An integrated hydraulic performance evaluation of the low head cross flow type turbine for pico-hydro application is presented here, where the relationship among water head, flow rate, hydraulic power, runner speed, torque, shaft power and turbine efficiency have been examined. The framework translates basic equations of flow rate, hydraulic power, angular velocity, shaft power, tip-speed ratio and hydraulic efficiency into narrative language. Illustrative examples demonstrate that the higher the flow rate and the greater the effective head, the greater the hydraulic power, and the higher the overall efficiency, depending upon the efficiency of the runner in converting the water energy to shaft output. The analysis emphasizes the fact that turbine output power is not the only criterion for performance—the hydraulic input power and conversion loss also play a role. This study has contributed a simple yet comprehensive mechanical-engineering approach to analyzing pico-scale cross-flow turbines under low-head conditions which can be used in laboratory testing, small-scale turbine development, and deployment of such turbines for renewable energy in rural water channels.
Analisis Kerusakan dan Perbaikan Disc Brake Menggunakan Metode Sound Detector Adiftya Nurtyas Surahman; Subekti Subekti
Integrated Mechanical Engineering Journal Vol. 4 No. 1 (2026): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 4 No. 1 Mei 2026
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v4i1.158

Abstract

Sistem rem merupakan komponen vital kendaraan yang kinerjanya dipengaruhi oleh kondisi permukaan cakram dan kampas rem. Penelitian ini menganalisis pengaruh kekasaran permukaan disc brake terhadap tingkat kebisingan pada variasi kecepatan putar serta hubungannya dengan jarak kerja kampas rem menggunakan alat Sound Detector Recordable (SDR III). Pengujian dilakukan pada tiga kondisi disc brake (standar, layak pakai, dan aus) dengan kecepatan 1000, 2000, dan 3000 rpm. Hasil analisis menunjukkan bahwa peningkatan kekasaran permukaan disc brake menyebabkan kenaikan intensitas kebisingan, terutama pada kecepatan tinggi, akibat gesekan tidak seragam yang memicu getaran. Penelitian ini memberikan kontribusi dalam menentukan standar kekasaran optimal guna meningkatkan performa, keamanan, dan kenyamanan sistem pengereman kendaraan.
Design and Development of a Simple Logo Stamping Machine for Flexible Packaging: a Study on The Effects of Dwell Time and Pressure Fahruli Amron; Mohamad Zaenudin
Integrated Mechanical Engineering Journal Vol. 4 No. 1 (2026): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 4 No. 1 Mei 2026
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v4i1.163

Abstract

Packaging plays a vital role in brand identity building in the digital era, particularly through logo application. This study aims to design an automatic logo stamping machine for flexible packaging made of low-density polyethylene (LDPE) and analyze the effects of pneumatic pressure (4-6 bar) and stamping duration (1–5 seconds) on print quality. The machine integrates an Arduino Uno controller, a TCS3200 color sensor for automatic package positioning, and a pneumatic cylinder (30 mm stroke) as the pressing actuator. Operating at 220 V AC, the system enables fully automated logo printing on a conveyor belt. Print quality was evaluated using a 1-5 Likert scale based on the line sharpness, color density, and substrate integrity. Results indicate that 6 bar is the minimum pressure required to achieve consistently sharp prints; lower pressures (4-5 bar) failed to transfer ink effectively. The optimal parameter combination was identified as 6 bars for 1 second, balancing high print quality with operational efficiency. This solution provides a low-cost, user-friendly, and practical technology for micro-enterprises seeking to enhance packaging aesthetics independently and economically.
Integrated FMEA approach for analyzing cylinder head failure due to thermal mechanisms in internal combustion engines Wilarso
Integrated Mechanical Engineering Journal Vol. 4 No. 1 (2026): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 4 No. 1 Mei 2026
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v4i1.207

Abstract

Cylinder head is a critical component in internal combustion engines that operates under extreme thermal and mechanical conditions, making it highly susceptible to failure. One of the most common failure modes is cracking, which is primarily associated with overheating and thermal fatigue. However, existing studies often analyze failures descriptively without integrating causal relationships and quantitative risk assessment. This study aims to analyze the failure mechanism of a cylinder head in unit BMGS1740 using an Failure Mode and Effects Analysis (FMEA) approach. FMEA is applied to evaluate and prioritize risks based on Severity (S), Occurrence (O), and Detection (D), resulting in the Risk Priority Number (RPN). The analysis is based on operational data, inspection results, and thermal performance indicators. The results show that cylinder head failure is driven by a progressive thermal mechanism initiated by cooling system degradation, leading to overheating, thermal stress, and ultimately crack formation. The highest risk factors identified are radiator fouling, water pump failure, and thermal fatigue, each with RPN values ≥ 300, indicating their dominant contribution to failure. Medium-risk factors include thermostat malfunction, loose fan belt, and poor atomization, while overfueling is categorized as a low-risk contributing factor. The findings indicate that cooling system performance is the primary triggering factor, while thermal fatigue acts as the main damage propagation mechanism. Therefore, preventive strategies should focus on improving cooling system efficiency and optimizing combustion processes to minimize thermal loading. This integrated approach provides a more comprehensive framework for failure analysis and supports risk-based maintenance decision-making

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