Browse Publications Technical Papers 2004-32-0089

Study of Coaxial Counter Rotating Rotary Tilling System at Front Rotary Type Compact Walking Tractor 2004-32-0089

A computer simulation of tilling force has been conducted for a compact walking tractor equipped with rear driving wheels and a front rotary shaft to estimate the effect of tilling force on behavior and tilling depth for a down cut rotary and a coaxial counter rotating rotary. The tractor uses a down cut rotating tine that rotates in the same direction of the driving wheels, and a coaxial counter rotating tine that rotates on the same shaft simultaneously. Further, an actual machine test was conducted to examine the correlation between the simulation and test results. It was demonstrated that by using the coaxial counter rotating rotary, the effect not only stabilized the behavior of the tractor but also accomplished twice the tilling depth of a conventional down cut rotary.


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