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The mathematical model of hydraulic system of a sugar beet tops cleaner with four hydromotors, connecting in parallel, are consider. The calculation method of the mathematical model are offer. The questions of start hydromotors and quality of operation of the hydraulic system have been consider.
The methods for determining the allowable number of cycles and the amplitude of the voltage at both hard and soft mode of loading. Analyzed the strength of non-stationary loading conditions. The recommendations for the use of the asymmetry of conditional elastic stresses. A review of domestic and foreign regulations on the subject, as well as on the effect of pre-congestion on the durability of structures...
In the article there is a description of calculation methods of bar’s selection solidness of one- and twosteeled elements in the part of under pressure plastic deformation with different combinations of outward efforts with operation of repeated-variable loading.
В статье предлагается метод расчета изгибов жестко прикрепленного к пню корня, который лежит на сплошном, упругом основании, под действием рабочего органа корчевательной техники. Подано графики зависимости изгиба корня от его диаметра, силы и места воздействия рабоче- го органа корчевательной техники.
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