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Contact Name
Warji
Contact Email
warji1978@gmail.com
Phone
+6281369104919
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j.abe.2k22@gmail.com
Editorial Address
Department of Agricultural and Biological Engineering, Faculty of Agriculture Lampung University Jl. Soemantri Brojonegoro No. 1, Kedaton, Bandar Lampung, Lampung. 35145
Location
Kota bandar lampung,
Lampung
INDONESIA
Jurnal Agricultural Biosystem Engineering
Published by Universitas Lampung
ISSN : -     EISSN : 28304403     DOI : -
This journal focuses on agriculture, biosystems and agricultural techniques. Covering power and agricultural machinery, agricultural cultivation, renewable energy, bioprocessing of agricultural products, environmental civil engineering, agricultural irrigation, robotics, automatic control in agriculture, design of agricultural machinery and tools, ergonomics in agriculture, and nanotechnology.
Articles 191 Documents
Unjuk Kerja Mesin Perajang Biomassa Tipe Slicer Untuk Merajang Batang Singkong Saputra, Rio Dwi; Asmara, Sandi; Tusi, Ahmad; Suharyatun, Siti
Jurnal Agricultural Biosystem Engineering Vol. 4 No. 3 (2025): September 2025
Publisher : abe.fp.unila.ac.id

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Abstract

This study aims to evaluate the performance of the Rabakong slicer-type machine and compare it with previous models. A Completely Randomized Design (CRD) was used with two factors: machine rotation speed (1500, 2000, and 2700 RPM) and the number of cassava stems input (2, 3, and 4 stems). Each treatment was repeated three times for 10 minutes. Observed parameters included work capacity (kg/h), fuel consumption (l/h), percentage of product loss, slicing uniformity (%), and ergonomic aspects of operator performance. The results showed the highest work capacity of 522.2 kg/h at 2700 RPM with 4 stems. The lowest product loss (0.82%) occurred at 2000 RPM with 3 stems, while the lowest fuel consumption (0,680 l/h) was recorded at 1500 RPM with 4 stems. The highest slicing uniformity (58%) was obtained at 2700 RPM, particularly for output passing through a 0.1 mm mesh. The Rabakong slicer-type machine falls under the moderate workload category with a CVL of 41–47% and an operator heart rate of 125–135 bpm, still within safe limits (Tarwaka, 2004). This machine outperforms its predecessor in capacity, uniformity, fuel efficiency, and operator comfort. Therefore, it is recommended as an effective solution for processing cassava stem waste into value-added products such as animal feed or compost.