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

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.

Country : Indonesia

1 Sulardjaka2 Norman Iskandar3 Muhammad Ridwan Ghifari4 Muhammad Zidan Ali5 Thirafi Nabil Fawwaz

  1. Mechanical Engineering Department, Diponegoro University, Semarang, Indonesia
  2. Mechanical Engineering Department, Diponegoro University, Semarang, Indonesia
  3. Mechanical Engineering Department, Diponegoro University, Semarang, Indonesia
  4. Mechanical Engineering Department, Diponegoro University, Semarang, Indonesia
  5. Mechanical Engineering Department, Diponegoro University, Semarang, Indonesia

IRJIET, Volume 9, Issue 11, November 2025 pp. 296-300

doi.org/10.47001/IRJIET/2025.911038

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