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American Journal of Food Technology
Year: 2011  |  Volume: 6  |  Issue: 4  |  Page No.: 314 - 321

Investigation on Grain Losses of the JD 1165 Combine Harvester Equipped with Variable Pulley and Belt for Forward Travel

H.S. Hassani, A. Jafari, S.S. Mohtasebi and A.M. Setayesh    

Abstract: Grain losses due to harvesting with combine harvester is one of the main obsession in direction of wastes and losses control. For this purpose reduction of losses due to cutting platform of combine which comprises more than 50% of the entire harvesting losses, is one of the main and principle measures in decreasing the combine losses. The JD 1165 combine harvester manufactured by ICM. Company is equipped with variable pulley and belt mechanism for ground speed, which causes lots of vibration and increases the losses and depreciation of the machine. In this study the amount of losses of JD 1165 harvester combine equipped with variable pulley and belt mechanism has tested and investigated. For this purpose a typical JD 1165 combine was selected and adjusted for various functional specifications. Then in Markazi province a field with flat land was chosen, in which 307020 Shahriar and Bekras varieties planted in water farm and in seven repetitions so that the moisture of grains ranged between 8 to 12% the research was carried out. As consequences demonstrated, grain losses induced from platform of the investigated combine gained 1.29% and losses at the back of the combine was 0.96% on average in seven repetitions. In addition, the most amount of damaged grains achieved 10.8% at the speed of 850 rpm for the cylinder. Finally, suggestions were made in order to improve performance of the machine.

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