The Potato Peeling Machine
The potato peeling machine consists of seven parts, main frame, peeling drum, hopper, collection basin, waste remover, water supplying systems, and power transmission. The machine was evaluated using different potato bulb sizes (small, medium & large). A mixed sample of different sizes was also tested. The evaluation process was conducted between1000 and 1440rpm drum rotational speeds , three different peeling residence times (10,15 and 20seconds) and two different batch loads (1 and 1.5kg). The optimum peeling efficiency of 52.55%, 87.99% and98% was obtained at 10, 15 and 20 seconds respectively and at recommended drum speed of 1440 rpm. The average value of the mean field capacity of the potato peeler obtained from the trials for small, medium, …show more content…
Potato processing includes different process like washing, peeling, slicing, chopping and soon. These processes are labor-intensive they require mechanization in order to meet up with current demand for these products. One major bottleneck in potato processing was potato peeling because of the variation of diameter and length of potato.
From the previous work, it is clear that the hand peeling process is very tedious, time consuming work and costly as well, therefore, the main aim of this study is to design, fabricate and evaluate potato peeling machine from local available raw materials to assure high quality, high peeling efficiency and losses reduction with low cost. This machine will be used in small and medium production units, such as restaurants, hotels and small potato dryers. LITERATURE
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3.4. Description of the Potato Peeling Machine.
The Potato peeling machine consists of seven main parts, included: Main frame, Peeling plate (abrasive plate), Hoper, Waste collection basin, Waste remover, Water supply systems and Power transmission.
Fig.1Main parts of potato peeler
3.5. Power Transmission System:
The Peeling drum is driven by a 0.8 KW, electric motor. The motor is directly connected to the vertical shaft and this vertical shaft transfers the rotary motion to the abrasive plate. I have used dimmer switch was used to vary speed (rpm) of motor by varying the voltage to the electric motor.
3.6. Water Supply Systems:
Water supply from supply hose is used to wash the peeled potato and to remove the peel and unnecessary materials such as soil and to get pure potato.
3.7. Design Analysis
3.7.1 Estimation of Power Required by the
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