Effects of design parameters of a cultivator share on draft force and soil loosening in a soil bin
2009
Marakoglu, T. (University of Selcuk, Konya (Turkey). Dept. of Agricultural Machinery) | Carman, K. (University of Selcuk, Konya (Turkey). Dept. of Agricultural Machinery)
This experimental study was performed with the aim to evaluate effects of design parameters of a cultivator share on draft force and soil loosening in a soil bin. The test tool variables included rake angle to the horizontal of 12.5, 17.5 and 22.5 degree, working depths of 70, 110 and 150 mm and forward velocity of 1.08, 1.55 and 2.08m sec-1. Measurements were taken of draft force and disturbed area of soil by the cultivator share. The resulting draft force was increased with increasing rake angle, forward velocities and working depth. The draft force in different trials varied from 42 to 202.5 daN. The area disturbed of soil was larger when tool rake angle, forward velocity and working depth were increased. The greatest disturbed area occurred at rake angle of 22.5 degree, forward velocity of 2.08m sec-1 and depth of 150 mm. The soil loosening increased with rake angle and forward velocity but loosening decreased with increased working depth. The soil loosening varied from 21.07 to 40.45%.
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