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<p>This study aimed to design, fabricate, and evaluate an integrated Enset-processing machine to improve the efficiency, product quality, and labor requirements of traditional Enset-processing methods in Ethiopia. The machine was developed at Adama Science and Technology University and evaluated under both laboratory and field conditions in selected districts of the West Shewa Zone with the participation of 30 trained farmers. The integrated system combined decorticating, grating, and bulla extraction into a single unit powered by a 4-hp motor. A structured experimental approach involving laboratory calibration and field performance testing was conducted using varying drum rotational speeds (650–1100 RPM), feed rates, and clearances. Key performance indicators, were analyzed using ANOVA and regression models. The findings revealed that drum rotational speed significantly influenced all performance parameters (<i>p</i> &lt; 0.001). Lower rotational speeds improved processing efficiency and product quality, whereas higher speeds reduced processing time but increased fiber damage. The machine achieved a maximum processing capacity of 1643.5&#xa0;kg/h with an overall efficiency of approximately 96%. Optimal operating conditions were identified at 850–864 RPM, where efficiencies ranged from 97.7% to 98.0%, and fiber damage was minimal (about 2.3%). The developed integrated Enset-processing machine offers a practical and reliable technological solution for smallholder farmers by reducing labor intensity, improving productivity, and maintaining high product quality. Overall, the machine proved to be highly effective, achieving high operational efficiency, reduced processing time, low fiber damage, and improved output quality.</p>

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Fabrication and performance evaluation of a cost-effective integrated enset processing machine in West Shewa Zone, Ethiopia

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年7月3日

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  • Beka Adugna Jima,
  • Kishor Purushottam Kolhe,
  • Demelash Gindo Lemi,
  • Moera Gutu

摘要

This study aimed to design, fabricate, and evaluate an integrated Enset-processing machine to improve the efficiency, product quality, and labor requirements of traditional Enset-processing methods in Ethiopia. The machine was developed at Adama Science and Technology University and evaluated under both laboratory and field conditions in selected districts of the West Shewa Zone with the participation of 30 trained farmers. The integrated system combined decorticating, grating, and bulla extraction into a single unit powered by a 4-hp motor. A structured experimental approach involving laboratory calibration and field performance testing was conducted using varying drum rotational speeds (650–1100 RPM), feed rates, and clearances. Key performance indicators, were analyzed using ANOVA and regression models. The findings revealed that drum rotational speed significantly influenced all performance parameters (p < 0.001). Lower rotational speeds improved processing efficiency and product quality, whereas higher speeds reduced processing time but increased fiber damage. The machine achieved a maximum processing capacity of 1643.5 kg/h with an overall efficiency of approximately 96%. Optimal operating conditions were identified at 850–864 RPM, where efficiencies ranged from 97.7% to 98.0%, and fiber damage was minimal (about 2.3%). The developed integrated Enset-processing machine offers a practical and reliable technological solution for smallholder farmers by reducing labor intensity, improving productivity, and maintaining high product quality. Overall, the machine proved to be highly effective, achieving high operational efficiency, reduced processing time, low fiber damage, and improved output quality.