From a review of the literary sources it is revealed that the existing vibration exciters are classified into mechanical, electrical, hydraulic and pneumatic. One of the most promising areas of development and use of sources of vibrations for tillage tools are electrical exciters of mechanical vibrations namely solenoid with a metal core inside. Based on the analysis of existing technical means for soil cultivation we are proposed a new technical mean of vibration exposure for tilting the soil without or before ploughing. Theoretical regularities of change of draft resistance depending on the vibration amplitude and the mass of the vibration exciter were received in the studies. A structurally - technological scheme of the combined tillage combine with electric vibration exciter and a device for automatic regulation of the technological process of the work of tillage machine was developed. The proposed vibration tool will supposedly reduce the soil resistance force acting on the working bodies, which will reduce energy costs up to 20% for the technology process of soil cultivation; harmful emissions from the combustion of diesel fuel into the atmosphere were reduced. The proposed technical mean can be used for soil cultivation in different soil fertility under different soil density
The zone of attraction of hauling branches in an allocation scheme based on the roads in "herringbone" forest resources is divided into 'near' and 'distant' parts with respect to location of contiguity point to forest road. In the "distant" part at certain parameters of cutting area, it is advisable to lay spar roads to a branch at an angle equal to the optimal angle of junction of branch to line, which reduces the cost of removal of wood on the branch. In the "near" part, as well as in forked and combined schemes of road allocation in forest resources , spar roads should be run under the best angles determined by established analytical relationship to reduce the cost of removal of wood
A set of actions aimed at preserving seed quality is the task of primary importance, which is expected to produce effective results. To implement this task it is necessary to prepare high-quality seeds by cleaning and sorting sunflower seeds on air-sieve grain cleaning machines. To determine the rational scheme of cleaning sunflower seed piles of the ‘Lakomka’ variety on the air-sieve grain cleaning machine ‘MVU-1500’ a qualitative analysis has been carried out. Cleaning sunflower seeds is carried out by an air stream by one or two sieves for separating large impurities and by two sieves, one of which separates milled seeds into the overseeding ,with the second dividing the whole seeds. In such a scheme of cleaning sunflower seeds, purity corresponds to the 3rd class of seed material and has some disadvantages. The disadvantages are as follows: the gathering seeds in sieve Ø5.0 have low individual weight and the sieves show low quality of work. To facilitate the work of the sowing sieves a grading sieve is installed, which will separate 50% of the seeds into the gathering. The size of the openings in the grading sieve is selected with the help of the correlation table. The sieve for sunflower seed variety ‘Lakomka ‘will be Ø 3.6, which will select the most valuable seeds with weight above 90 g from the purified material thus improving the productivity and performance of the sowing sieves. A promising scheme of cleaning sunflower seeds is the air flow rate equal to 4.43 m/s, with one grading sieve of Ø 3.6 and two sieves of Ø 7 and Ø 3.6 mm in grain cleaning machines that will allow you to get high quality seed material that meets the requirements of GOST(Russian national standard) for seed material
In this article, the orderliness of the wheat plants phytomass increase has shown, observed until plants growth stopping time, which concurs with flowering ending. The discovered orderliness determinates the nitrogen, phosphorus and potassium (N, P, K) transfer dynamics. The mathematical model of N,P,K elements carrying out from roots - inhabited soil layer has been proposed
An integral assessment of the resource intensity of production and technological processes in industrial fruit growing is given. The limits of the stability of fruit agrocenoses under technogenic impacts are substantiated. Regressive dependencies were established for technological processes in the context of certain types of resources used: capital (depreciation), working capital (consumption of materials and the coefficient of consolidation) and labor (wage intensity). The optimal parameters of resource-intensiveness of production and technological processes in industrial fruit growing are substantiated
High-strength steels are used to increase the reliability of potato harvesters. With the advent of new materials and new technologies in agricultural engineering, it is possible to significantly reduce the mass of working bodies, to reduce energy costs. The elastic system of the composite elevator bar, unbalanced by the impact of the component of the potato heap, is in oscillatory motion. An increase in the height of the fall, and hence the speed of collision with the bar of the component of the potato heap, determines the amount of deflection of the composite bar. During vibrations, in addition to static deformations, dynamic ones are added, depending on the magnitude of the impact force. It was established that a bar made of composite material should have the following parameters: elastic modulus E = 55000 MPa; the diameter of the composite bar d = 0,012 m
This article discusses the basic positions of kaizen’s concept and necessary changes of terminology
This article discusses the basic tools of kaizen in the context of controlling and lean manufacturing as the elements of the system
The change in the Kepler’s atomic number in the
Periodic Table of Mendeleev is studied. It is shown
that its values decrease regularly with increasing
nuclear charge. An alternative formula for computing
the values of the Kepler’s atomic number is proposed.
It is shown that the ratio of the atomic number of
Kepler’s to the mass of the atom is a constant for each
period. The values of these constants are calculated
The purpose of this article is the analysis of the key
factors of the Russian economic sovereignty ensuring
now. As a result, we have identified the weaknesses in
the economy and proposed the ways of solving some
problems. The analysis of the mechanism of budget
allocation under the anti-crisis plan of the government
was performed as well. The prospects for the global oil
market, the capital market and the exchange rate of the
Russian currency were presented