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All Journal SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Jurnal Teknik Mesin Cakram Dinamis Journal of Mechanical and Electrical Technology Tensile : Jurnal Pengabdian Kepada Masyarakat Strength : Jurnal Penelitian Teknik Mesin
Munzir Qadri
Universitas Muhammadiyah Jakarta
Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Journal : Dinamis

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Analysis of The Frame Design of Cracker Sheet Printing and Cutting Machine Using Finite Element Method Simulation Effendi, Riki; Pratama, Rikardo; Qadri, Munzir; Yunus Nasution, Ahmad
DINAMIS Vol. 12 No. 1 (2024): Dinamis
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dinamis.v12i1.16359

Abstract

The food industry continues to evolve and faces challenges in enhancing production efficiency. One product that has garnered significant attention is crackers, which have high global demand. Manual processes involved in printing and cutting cracker sheets result in time and labor wastage, leading to production limitations and reducing the industry's competitiveness. Therefore, this research aims to analyze the design framework of a cracker sheet printing and cutting machine using finite element method simulation. The research methodology involves 3D modeling of the machine framework, selection of appropriate materials, and configuration of finite element method simulation to understand the structural behavior of the machine. The research findings identify critical areas requiring design improvements to enhance machine reliability and operational efficiency. By leveraging automatic cutting technology, this research is expected to enhance cracker production efficiency, reduce production costs, and improve the competitiveness of local food industries in the global market. Using cracker sheet printing and cutting machines, cracker production can be significantly enhanced compared to manual processes. These findings make a significant contribution to improving production efficiency and the competitiveness of the food industry.
Power Optimisation of Centrifugal Pumps in a 4-Storey Building Effendi, Riki; Rijal Siswanto, Ahmad; Qadri, Munzir; Hendra, Franka; Yunus Nasution, Ahmad
DINAMIS Vol. 13 No. 1 (2025): Dinamis
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dinamis.v13i1.18837

Abstract

The optimization of water distribution systems in high-rise buildings is essential for enhancing energy efficiency and reducing operational costs. This study examines the effects of implementing a Variable Frequency Drive (VFD) on a centrifugal pump system within a four-storey high-rise building at PT SBA. A case study approach was employed to measure key operational parameters—namely, electrical power consumption, water flow rate, and pressure distribution—both before and after VFD installation. The experimental results demonstrate that the VFD application resulted in a 20% reduction in power consumption, decreasing from 3.5 kW to 2.8 kW, while the water flow rate improved by 12.5%, rising from 80 LPM to 90 LPM. In addition, the pressure range was significantly stabilized, narrowing from 1.2–2.5 bar to 1.0–2.0 bar across the building’s floors. An economic analysis based on the observed energy savings indicates an annual cost reduction of approximately Rp7,665,000, with a corresponding return on investment achieved in less than one year. The findings suggest that integrating VFD technology into centrifugal pump systems not only enhances operational efficiency and extends equipment lifespan by mitigating load fluctuations but also offers substantial economic benefits. This study provides a robust framework for the broader application of VFD-based optimization strategies in high-rise and industrial water distribution systems.
Co-Authors Ade Hermawan Adin Andrian.Harahap, Doly Andrian Arif, Joni Daging, I Ketut Dewi, Priyantini Dika Ridwan, Sandra Mayang Fadwah Maghfurah Fahmi, Munfariz Fausta Prayoga, Muhammad Arya Fenty Anggreeni, Erwinda Ferry Budhi Susetyo Hendra, Franka Hidayat, Ahya Muhammad Zaki Nurwaasi Sofana, Muhammad Pangestu, Dimas Dahlan Pratama, Rikardo Prayoga, Bagus Rafliansyah, Dhika Ridhwan, Rafif Zainun Rijal Siswanto, Ahmad Riki Effendi Setyawan, Yudha Sodik, Muhamad Zafar Sulis Yulianto Syaiful Arif Yasin, Zulvan Yohan Yunus Nasution, Ahmad Zhafira, Najwa