A Coconut Coir Fiber Extractor with Alternating Helical-Serrated Beater Blades
Keywords:
coconut fiber extraction machine, helical beating blade, coir dust, machine efficiency, agricultural value addition, agricultural machineryAbstract
This research aimed to design and construct a coconut fiber extraction machine and to evaluate its operational efficiency. The machine dimensions were 50 cm wide, 130 cm long, and 120 cm high. The frame was fabricated from angle steel. Power transmission employed a single-phase 220-volt, 3-horsepower electric motor at 1,450 rpm, driving a shaft-mounted beating-blade assembly comprising 18 blades arranged in a helical, alternating pattern on a 1.5-inch axle. Performance tests demonstrated that 1 kg of dried coconut husk was processed in 4 minutes, yielding an average of 0.50 kg of fiber and 0.35 kg of coir dust, The results, based on the established criteria, show a minimum performance test threshold of 80% of the sample weight. Therefore, with an overall efficiency of 85%. The results confirm that the machine substantially reduces manual labor, generates supplementary income for farmers, and mitigates air-pollution caused by open burning of coconut husks.
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