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《Journal of Beijing Agricultural Engineering University》 1990-03
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Theoretical Studies of Reverse Rotary Tillage

Song Jiannong Li Zihua (Division of Farm Machinery)  
The kinematic analysis shows that the reverse rotary tillage blade brings about smaller variation in cutting angle,longer cutting trace,higher cutting velocity,thinner slice thickness,and more even furrow bottom than those of conventional rotary tillage.A math- ematical model is developed to calculate the resistance of blade in soil cutting,and a set of curves are drawn by computer showing variation of cutting resistances.
【CateGory Index】: S222.30.1
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