Abstract
The purpose study is to substantiate the parameters of a mini straw shredder. The diagram rotor of a cone-shaped shredder is given. The basic laws of theoretical mechanics and mathematical analysis were used in theoretical studies to substantiate the parameters mini shredder. Single-and multifactorial experiments were carried out when determining the optimal parameters mini shredder. In theoretical studies, analytical links were obtained to determine the length of the mini straw grader knife, the slope angle, its base, and the force required to cut the straw. According to the results of studies, the degree of grinding salmon and energy consumption depended mainly on the length blade, the mass balancing truck, and the slope angle blade. It is established that to ensure the required fullness of grinding with minimal energy consumption, the length knife should be within 87.66-88.38 mm, the weight of the balancing weight should be 0.0368-0.0536 kg, and the angle of inclination of the knife 2848º.
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