Abstract
The design optimization of rotary tillage tool by the application of Computer Aided Engineering (CAE)-Techniques on the basis of finite element method and simulation method is done by using CAD-Analysis software for the structural analysis. The different tillage tool parts of rotary tillage tools are geometrically constrained by the preparation of solid model, Meshing and Simulation is done with actual field performance rating parameters along with boundary conditions .The energy constrained for the tillage tool applications with 35Hp and 45Hp power tractor and estimated forces acting at soil-tool interface. The resultant effect on tillage blade and whole rotavator assembly is obtained from stress distribution and deformations plots.The proposed work results in identifying sufficient tolerance in changing the dimensions of rotavator frame sections and side gear box for removing the excess weight in a solid section and also to raise the weight of blade for a reliable strength. The present working model with tillage blade is analysed to new design constraints with change of its geometry for the maximum weed removal efficiency by presenting its practical results from the field performance.
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