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ABSTRACT
In this study, we focused on the design and fabrication of a yam cooking and pounding machine that performs the hygienic processing of pounded yam, eliminates the laborious process involved in pounding yam and to minimize the time of processing pounded yam. The machine was fabricated using stainless steel, mild steel, pulleys, belt, bearing and shaft. A type A37 belt was used (v-belt), the depth of the bowl is 160mm, length, width and thickness of the beater is 73 x 30 x 3 mm. The cooking aspect and automated part of the machine includes; the heating element (electric heater), contactor, thermostat and timer. The diameter of the driving pulley is 150mm and the diameter of the driven pulley is 200mm. The result from the testing showed that the yam cooking and pounding machine produced a hygienic and well processed pounded yam in a lesser time. It totally eliminated the laborious involved in pounding. The efficiency of the machine was 88.171% which is fair for a locally fabricated machine. Given that some percentage was lost due to the vibration from the motor.
