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All Journal Jurnal Locus Penelitian dan Pengabdian JOMPA ABDI: Jurnal Pengabdian Masyarakat E-Amal: Jurnal Pengabdian Kepada Masyarakat Venus: Jurnal Publikasi Rumpun Ilmu Teknik International Journal of Industrial Innovation and Mechanical Engineering
Margono Sugeng
Universitas Dian Nusantara
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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PEMBINAAN UMKM BERBASIS KEMITRAAN: SOLUSI UNTUK MENINGKATKAN DAYA SAING DAN PRODUKTIVITAS Nur Endah Retno Wuryandari; Sri Anjarwati; Setiyo Purwanto; Margono Sugeng; Didin Hikmah Perkasa; Melly Melly
E-Amal: Jurnal Pengabdian Kepada Masyarakat Vol 3 No 3: September-Desember 2023
Publisher : LP2M STP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47492/eamal.v3i3.3020

Abstract

Development of Micro, Small, and Medium Enterprises (MSMEs) in Situgadung Village, Tangerang, by Universitas Dian Nusantara (UNDIRA) through a partnership with IKRT Family Care Plus emerges as a solution to address challenges faced by MSMEs, particularly in management, technological adaptation, and product certification. The program provides technological support for MSMEs, including initiatives for financial reporting, SOP development, online marketing, and strengthening human resource competencies. UNDIRA's involvement in financial reporting, production tool design, and process automation is expected to have a positive impact on the growth of IKRT Family Care Plus, generating employment opportunities, and enhancing the quality of environmentally friendly products. This program can also serve as a partnership model for other educational institutions, reinforcing MSMEs, and supporting environmental sustainability
Dari Limbah Menjadi Berkualitas: Program Pelatihan Pembuatan Kompos Untuk Meningkatkan Pendapatan Masyarakat Di Meruya Utara Lutfi Alhazami; Margono Sugeng; Irma Rahmawati; Siaw Siau Sie; Vina Vina
Jompa Abdi: Jurnal Pengabdian Masyarakat Vol. 5 No. 1 (2026): Jompa Abdi: Jurnal Pengabdian Masyarakat
Publisher : Yayasan Jompa Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57218/jompaabdi.v5i1.2634

Abstract

Program pelatihan pembuatan kompos di Kelurahan Meruya Utara dilaksanakan sebagai upaya untuk mengatasi permasalahan lingkungan sekaligus meningkatkan pendapatan masyarakat. Permasalahan utama yang dihadapi meliputi meningkatnya volume sampah daun, belum adanya tata cara pengelolaan limbah organik, rendahnya kondisi ekonomi masyarakat, serta munculnya binatang melata akibat tumpukan sampah. Melalui pendekatan berbasis komunitas, kegiatan ini dirancang dengan tahapan sosialisasi, pelatihan, penerapan teknologi, pendampingan, dan evaluasi. Pelatihan mencakup manajemen rantai pasok sampah, penggunaan alat pencacah daun, teknik pembuatan kompos, serta pelatihan desain label, kemasan ramah lingkungan, dan strategi penetapan harga. Hasil kegiatan menunjukkan peningkatan pengetahuan dan keterampilan masyarakat dalam mengelola limbah organik, berkurangnya volume sampah, serta terciptanya produk pupuk kompos berkualitas yang memiliki nilai ekonomi. Program ini sejalan dengan Sustainable Development Goals (SDG 11 dan SDG 12) serta mendukung pemberdayaan ekonomi rakyat kecil. Dengan adanya pendampingan berkelanjutan, diharapkan keberhasilan program dapat dipertahankan dan dikembangkan ke wilayah lain yang menghadapi tantangan serupa.
Analisis Pengaruh Implementasi Motor Servo terhadap Efisiensi Energi dan Produktivitas Unit Sap Sheet pada Mesin Popok Bayi Dwi Pranata Suprayogo; Margono Sugeng
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1523

Abstract

Improving energy efficiency and productivity is essential for enhancing competitiveness in manufacturing industries. This study aimed to evaluate the effect of implementing a Mitsubishi HG-SR102 servo motor on electrical-to-mechanical energy conversion, energy consumption, Specific Energy Consumption (SEC), torque and rotational speed characteristics, and the productivity of the Super Absorbent Polymer (SAP) Sheet unit in a baby diaper production machine. A comparative method was employed by analyzing machine performance before and after servo motor implementation using energy consumption, SEC, torque, rotational speed, mechanical power, and productivity parameters. The results showed that total energy consumption decreased from 5,587 kWh to 3,705 kWh, while SEC decreased from 0.314 to 0.307 kWh/pc (2.41%). Machine productivity increased from 494 to 503 pcs/h (1.79%), and energy productivity increased from 3.18 to 3.26 pcs/kWh (2.47%). At a line speed of 600 PPM, the servo motor produced a torque of 0.480 Nm, a rotational speed of 516.2 rpm, and a mechanical power output of 25.95 W, indicating stable operation under high-speed conditions. The implementation of the servo motor improved both energy efficiency and machine productivity.
Pengaruh Variasi Perlakuan Panas sebelum Quenching terhadap Struktur Mikro dan Kekerasan Paduan Silicon-Manganese Moch. Farid Zaelani; Margono Sugeng
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1542

Abstract

This study analyzes the effect of heat-treatment temperature before Quenching on the microstructure and hardness of a Silicon-Manganese (SiMn) alloy. The specimens were subjected to heat treatment at 700°C, 800°C, and 900°C, followed by rapid cooling using water as the Quenching medium. Microstructural observations were carried out using a metallographic microscope, while mechanical properties were evaluated using the Micro Vickers hardness test in accordance with ASTM E384. The average hardness values were 738.00 HV at 700°C, 650.33 HV at 800°C, and 714.33 HV at 900°C. The 700°C specimen exhibited relatively fine martensitic microstructure with an indication of a small amount of ferrite and produced the highest hardness. The 800°C specimen showed a different microstructural distribution accompanied by the lowest hardness. At 900°C, grain growth tendency and coarser martensitic morphology were observed, while the hardness increased again but remained below the 700°C condition. The results indicate that the relationship between heat-treatment temperature and hardness is not linear. Microstructural morphology and grain size contribute to the mechanical response after Quenching. Within the tested temperature range, 700°C produced the highest hardness, while the 900°C condition showed a tendency toward coarser microstructure. These findings provide a basis for selecting heat-treatment parameters for SiMn-based engineering components.
Pengaruh Variasi Temperatur Normalizing terhadap Struktur Mikro dan Sifat Mekanik Paduan Silicon Manganese (SiMn) Ferry Wahyu Ramadhan; Margono Sugeng
Jurnal Locus Penelitian dan Pengabdian Vol. 5 No. 9 (2026): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v5i9.6368

Abstract

Paduan Silicon Manganese (SiMn) berperan penting sebagai deoksidator dan unsur paduan dalam pembuatan baja, tetapi proses peleburan dan pengecoran dapat menghasilkan struktur mikro tidak homogen yang memengaruhi sifat mekaniknya. Penelitian ini bertujuan menganalisis pengaruh variasi temperatur normalizing terhadap struktur mikro, kekerasan, dan estimasi kekuatan tarik paduan SiMn. Penelitian eksperimental kuantitatif dilakukan menggunakan spesimen tanpa perlakuan panas serta spesimen yang dinormalisasi pada temperatur 700°C, 800°C, dan 900°C dengan holding time 15 menit dan pendinginan udara. Struktur mikro diamati menggunakan mikroskop metalografi pada perbesaran 200× dan 500×, sedangkan kekerasan diuji menggunakan metode Micro Vickers dengan beban 300 gf selama 10 detik pada lima titik indentasi. Nilai Ultimate Tensile Strength (UTS) diestimasi melalui persamaan empiris berdasarkan kekerasan. Hasil pengamatan menunjukkan bahwa peningkatan temperatur normalizing menghasilkan distribusi struktur mikro yang semakin homogen. Kekerasan rata-rata meningkat dari 478,0 HV0.3 pada 700°C menjadi 574,8 HV0.3 pada 800°C dan 621,2 HV0.3 pada 900°C. Estimasi UTS juga meningkat berturut-turut menjadi 1.577,4 MPa, 1.896,8 MPa, dan 2.050,0 MPa. Peningkatan tersebut menunjukkan bahwa temperatur yang lebih tinggi mendukung difusi atom dan homogenisasi struktur serta mengurangi ketidakseragaman sifat material akibat proses solidifikasi selama pengecoran. Dengan demikian, normalizing pada 900°C menghasilkan karakteristik mikrostruktur dan sifat mekanik terbaik dalam rentang temperatur yang diteliti.
Aerodynamic Analysis of the Audi R8 V10 Using Computational Fluid Dynamics (CFD) Methods Across Vehicle Speed Variations Andreas Lumban Gaol; Margono Sugeng
International Journal of Industrial Innovation and Mechanical Engineering Vol. 3 No. 3 (2026): August: International Journal of Industrial Innovation and Mechanical Engineeri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijiime.v3i3.462

Abstract

Despite the widespread application of Computational Fluid Dynamics (CFD) in vehicle aerodynamic analysis, limited studies have focused on high-performance sports cars under varying operating speeds. This study investigates the aerodynamic characteristics of the Audi R8 V10 using three-dimensional CFD simulations performed in SOLIDWORKS Flow Simulation. The objective is to evaluate the influence of vehicle speed on aerodynamic drag and lift forces affecting vehicle stability. Simulations were conducted under steady-state external flow conditions at vehicle speeds of 20, 40, 60, 80, and 100 km/h using standard atmospheric properties. The convergence criterion was monitored until all engineering goals reached 100% convergence, ensuring numerical stability and solution reliability. The simulation results indicate that increasing vehicle speed significantly increases both drag and lift forces due to higher aerodynamic loading on the vehicle body. Pressure contour and airflow streamline analyses further reveal the formation of high-pressure regions at the vehicle front and flow separation behind the rear section, which contribute to aerodynamic resistance. The findings demonstrate that CFD provides an effective approach for evaluating aerodynamic performance and can support the optimization of aerodynamic devices, such as spoilers and diffusers, to improve vehicle stability and energy efficiency at higher operating speeds.
Co-Authors Andreas Lumban Gaol Anjarwati, Sri Didin Hikmah Perkasa Dwi Pranata Suprayogo Ferry Wahyu Ramadhan Irma Rahmawati Lutfi Alhazami Melly Melly Moch. Farid Zaelani Nur Endah Retno Wuryandari Setiyo Purwanto Siaw Siau Sie Vina Vina