Developing a Grading Machine for Eggplant | ||||
| Journal of Soil Sciences and Agricultural Engineering | ||||
| Article 3, Volume 9, Issue 8, August 2018, Page 307-311 PDF (1.4 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jssae.2018.35795 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| E. Amin; T. El-Shabrawy; Shaimaa Abd El-kader | ||||
| Agric. Eng., Dept. Fac. of Agric. Mansoura Univ., Egypt. | ||||
| Abstract | ||||
| A small grading machine was developed, fabricated and evaluated technically and economically based on spherical crops such as Baladi eggplant variety. Grading acts by using cylinder system of rod for grading system be used in small horticultural holdings, small grading stations and small factories. The effect of some parameters such as drum speed of grading unit (0.31; 0.41; 0.59) m/sec and slope angle of grading unit (0.0; 1.0; 2.0; 3.0 deg.). The grading machine capacity (ton/h), grading efficiency (%), mechanical damage of eggplant (%) and specific energy consumption (kW. h/ton) and total operation cost (LE / ton), were studied to evaluate the grading prototype. The best results were obtained at drum speed 0.41 m/sec and grading slope angle 2.0 degree. At above variables the maximum grading efficiency recorded 84.6 %, damage index of 5.08 %, specific energy consumption of 0.32 kW. h/ton and total productivity cost for one ton was 5.62 LE / ton for Baladi eggplant variety. | ||||
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