Development of a Double Grating-Barrel Cassava Grinding Machine

Abstract

This study presents the design, fabrication and performance assessment of a double-barrel cassava grinding machine. The processing parameters considered for performance assessment include machine throughput capacity, machine efficiency (MTC) and processing time. The study is aimed providing valuable insights for decision-making in the cassava processing industry. This follows a comparative assessment of performance of single grating-barrel and double grating-barrel cassava grinding machines at same operation conditions. The single-barrel machine exhibited MTC values ranging from 4.69 kg/min to 6.36 kg/min, with corresponding efficiency values between 62.45% and 81.95%. In contrast, the double-barrel machine showcased superior performance, with MTC values ranging from 11.49 kg/min to 12.74 kg/min and efficiency values between 83.78% and 92.93%. The results highlighted that the double-barrel machine has ability to process a larger quantity of cassava and convert a higher percentage into flour, making it more suitable for large-scale processing operations.

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