International Journal of Agricultural Engineering

S. G. Pawar ¹, M. S. Pawar ², S. U. Khodke ³

Affiliations
1 Depatment of Agricultural Process Engineering, Dr. Panjabrao Deshmukh Krishi Vidhyapith, Akola(M.S.), IN
2 Department of Food Engineering, MIT College of Food Technology, Pune(M.S.), IN
3 Department of Agricultural Process Engineering, Vasantrao Naik Marathawada Agriculture University, Parbhani(M.S.), IN

Abstract

The machine main frame had dimensions 2000 mm × 1250 mm × 1000 mm, with a approximate cost of Rs. 45,000. The performance parameters such as actual capacity, grading efficiency of each grade, overall grading efficiency, damage loss and peel loss were studied in this work. The operating speed of the grader was maintained at constant speed 16 revolutions. The maximum grading efficiency of 96 and 62.3 per cent was found in onion and potato grading, respectively. The cost of the mechanical grading obtained was Rs. 30 per tonne. The ratio of cost for manual to mechanical grading worked out to be 12.45:1. During the performance test only peel loss was observed in onion grading while in case of potato grading more damage occurred. Therefore, this grading is only suitable for onion grading.

Keywords

Fruit-Vegetable Grader, Screen Grader, Onion, Potato.

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S. G. Pawar ¹, S. U. Khodke ²

Affiliations
1 Department of Agricultural Process Engineering, Vasantrao Naik Marathwada Krishi Vidyapeeth, PARBHANI (M.S.), IN
2 Department of Agricultural Process Engineering, Vasantrao Naik Marathwada Krishi Vidyapeeth, PARBHANI (M.S.), IN

Abstract

A Kagzi-lime fruit grader was developed using concentric screen principle. The machine consists of feeding, grading, collection and power transmission units. The dimensions of the machine are 1200 mm x 700 mm x 700 mm with a cost of approximately Rs. 25,000. The Kagzi-lime fruit were graded into three grades viz., Grade-I-above 40 mm, Grade-II-between 40 to 36 mm and Grade-III-below-36 mm. The maximum grading efficiency of 95 per cent at 14 rpm of the speed of grading unit and 7 degree feed trough angle with actual capacity was found 354.45 kg/h. and Rs. 6.62/qt cost of grading. In absence of electricity (on farm) manually operated grader is also suitable to marginal farmers with 86 per cent grading efficiency and Rs. 12.23/qt cost of grading.

Keywords

Design, Screen Grader, Kagzi-Lime, Cost Analysis.

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