Papers by Keyword: Rotary Tiller

Abstract: The application of Spiroid gears to rotary tillers is proposed. The research on the design and manufacturing of the transmission of rotary tillers is developed. The work hopes to be a good practice for better load capacity, mechanical performance and wear resistance of rotary tillers.

Abstract: Small agricultural machinery with forward and reverse-rotational rotary blades was proposed for solving the problem of cultivation with compacted soil. Lagrangian smoothed particle hydrodynamics (SPH) based models of forward and reverse-rotational rotary blades were carried out using the LS-DYNA software. SPH is a mesh free method, thus large material distortions that occur in the soil cutting problem are easily managed. In most earth moving machinery, such as bulldozers or tillage tools, the working tool is a blade. Hence for tillage systems, accurately predicting the forces acting on the blade is of prime importance in helping to enhance productivity. Structural parameters of reverse-rotational rotary blade were studied and optimized with orthogonal test and numerical simulating technology. Results show that forward and reverse-rotational rotary tool can independently work for the cutting of compacted soil with different operating resistance. It is perfectly feasible to apply the proposed composite rotary tiller to compacted soil deep-tilling with low power motor. Proper structural parameters of forward and reverse-rotational rotary blades can reduce the power consumption. This method provides theoretical basis for the design of tools.