International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

Optimization of Pellet Press Design by Converting a Dual-Roller into a Three-Roller Mechanism to Improve Production Efficiency

SulardjakaMechanical Engineering Department, Diponegoro University, Semarang, IndonesiaNorman IskandarMechanical Engineering Department, Diponegoro University, Semarang, IndonesiaMuhammad Ridwan GhifariMechanical Engineering Department, Diponegoro University, Semarang, IndonesiaMuhammad Zidan AliMechanical Engineering Department, Diponegoro University, Semarang, IndonesiaThirafi Nabil FawwazMechanical Engineering Department, Diponegoro University, Semarang, Indonesia

Vol 9 No 11 (2025): Volume 9, Issue 11, November 2025 | Pages: 296-300

International Research Journal of Innovations in Engineering and Technology

OPEN ACCESS | Research Article | Published Date: 21-11-2025

doi Logo doi.org/10.47001/IRJIET/2025.911038

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Abstract

The pelletizing process plays a critical role in both feed and biomass industries, as it determines product quality, density, and overall production efficiency. Conventional pellet presses equipped with dual-roller mechanisms typically suffer from limitations in pressure distribution, production capacity, and pellet shape uniformity. This study aims to design and optimize a pellet press by modifying the roller configuration from a dual-roller to a three-roller system in order to enhance pelletizing efficiency. The research methodology includes mechanical design through analytical calculations and numerical analysis using CAD-based modeling. The results indicate that the addition of a third roller increases the effective compression area by 250% and boosts the average production capacity by approximately 260% compared with the dual-roller system. These findings demonstrate that the three-roller modification significantly improves pelletizing performance in terms of mechanical efficiency and product quality, achieving a break-even point (BEP) within only a single day of operation.

Keywords

Pellet press design; production efficiency; break-even point (BEP); roller configuration; mechanical optimization; sustainable manufacturing


Citation of this Article

Sulardjaka, Norman Iskandar, Muhammad Ridwan Ghifari, Muhammad Zidan Ali, & Thirafi Nabil Fawwaz. (2025). Optimization of Pellet Press Design by Converting a Dual-Roller into a Three-Roller Mechanism to Improve Production Efficiency. International Research Journal of Innovations in Engineering and Technology - IRJIET, 9(11), 296-300. Article DOI https://doi.org/10.47001/IRJIET/2025.911038

Licence Copyright (c) 2026 International Research Journal of Innovations in Engineering and Technology creative common licence This work is licensed under Creative common Attribution Non Commercial 4.0 Internation Licence
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