Modification of Corn Shelling Machine in Merauke Regency
DOI:
https://doi.org/10.59890/ijist.v4i6.12Keywords:
Corn Shelling Machine, Modification, Capacity, Blower, Hopper.Abstract
Manual corn shelling requires considerable time and labor with low productivity. This study aims to design a modification of a corn shelling machine for greater efficiency and to measure the working capacity of the machine after modification. Modifications were carried out on an existing corn shelling machine by enlarging the hopper size from 0.021 m³ to 0.024 m³, enlarging the shelling screen, replacing the motor pulley to increase rotational speed from 350 rpm to 584 rpm, and adding a rice thresher fan as a cleaning blower for shelling output. Testing was conducted in 9 trial runs at La Guy Workshop, Garuda Mopah Lama Street, Merauke, using dried corn with a diameter of 40–80 mm and length of 50–200 mm. The results show that the modified machine can shell 11 kg of corn per minute with a total capacity of 660 kg per hour, far exceeding the pre-modification performance of 3 kg per minute or 180 kg per hour. The applied modifications are proven to significantly improve the capacity, speed, and cleanliness of corn shelling results.
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