No 12 (2010)


About methodology of farm tractors market statistical modeling

Mininzon V.I., Tyulenev A.V.


The methodological aspects of statistical modeling of time series characterizing tractor market are considered. An improved methodology for selecting the optimal statistical model by means of linear programming is suggested.
Tractors and Agricultural Machinery. 2010;(12):3-5
pages 3-5 views

Start of the Internet portal "ROSAGROMASH-STAT"

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В октябре 2010 г. стартовал уникальный проект - Интернет-портал «РОСАГРОМАШ-СТАТ». Информация по производству и реализации сельхозтехники в Российской Федерации теперь аккумулируется в режиме online в единой базе данных, которую формируют компании - участники проекта, ежемесячно заполняя формы отчетности на сайте.
Tractors and Agricultural Machinery. 2010;(12):5-
pages 5- views

Improving ecological and economical indices of diesels by means of fuel saturation with air or other gas

Zauavi D.M., Alvear Sanches L.V., Emmil M.V., Patrakhaltsev N.N.


The experimental data concerning the effect of diesel fuel saturation with air or other gases on the ecological and economical characteristics of 1Ч8,5/11,5 swirl-chamber diesel are brought. The possibility of reducing the toxicity and especially the opacity of exhaust gases with some fuel economy increase is shown.
Tractors and Agricultural Machinery. 2010;(12):6-10
pages 6-10 views

Use of Yutkin effect in the electrohydraulic devices

Bekayev A.A., Abramova A.R., Tsvetkov I.A.


Paper presents the design of an electrohydraulic perforating machine based on Yutkin effect, also known as electrohydraulic effect (EHE). The use of this EHE perforating machine will allow to adjust the impact value and frequency in automatic regime, to reduce noiseness and to increase the ecological safety. To explore the possibilities of the developed device a laboratory facility was designed. It was used to test the EHE perforating machine's mode of functioning and performance.
Tractors and Agricultural Machinery. 2010;(12):10-12
pages 10-12 views

Optimal and admissible regimes of machine-and-tractor unit operation

Kalachin S.V.


The article presents the results of scientific researches concerning the substantiation of optimum and admissible operating modes for machine-and-tractor unit, taking into account the operating conditions, an applied field inspection method, and also the functionality of operator in the course of control and driving.
Tractors and Agricultural Machinery. 2010;(12):13-14
pages 13-14 views

Design procedure of main parameters of the axial single-disk brake

Khabrat N.I.


The mechanism of load transfer in an automatic axial brake with opening surfaces is considered, the sequence of its main parameters' calculation is suggested.
Tractors and Agricultural Machinery. 2010;(12):15-16
pages 15-16 views

An analysis of soil compaction by frontal disk harrows

Zvolinsky V.N., Gavrilin M.A.


As a result of accumulated operating experience of simple highly productive diskers with individual suspension of discs on spring-loaded carriers, which exclude their clogging with the plant residues, a decrease in grain crop yields was noticed in consequence of the soil compaction. The causes of this phenomenon and the factors that influence its appearance were analysed, some recommendations for minimizing the negative effects were given.
Tractors and Agricultural Machinery. 2010;(12):17-22
pages 17-22 views

Optimization of parameters of disk chopping apparatus in the cutting plane

Kotov A.V.


The theoretical analysis and substantiation of parameters of disk chopping apparatus of forage harvester in the cutting plane are presented. A mathematical model of disk type chopping apparatus with rectilineal knives is developed. The comparative analysis and optimization of the existing parameters of chopping apparatus of three forage harvesters are carried out.
Tractors and Agricultural Machinery. 2010;(12):22-26
pages 22-26 views

Scheme of filling cells of the seed distributor by pelleted seeds

Avdeyev P.A.


The cells are filled with pelleted seeds in reverse direction, that is from the center of the disc to its periphery, when the internal space of distributor is already filled with seeds. In this case the centrifugal force doesn't block the seeds, but helps their penetration in every point of the disc. The application of this feed method considerably widens the filling zone and contributes to improve the seed distributor's work.
Tractors and Agricultural Machinery. 2010;(12):26-28
pages 26-28 views

Optimal parameters of drum-type sprinkling machines

Kuznetsov P.I., Bezrodnov N.A., Konstantinova T.G., Novikov A.Y.


The influence of diameter and length of the polyethylene pipelines of Bauer drum-type machines (Rainstar models) for strip irrigation on specific capital costs is considered. Three schemes of an irrigated field are analysed. Optimal diameters and lengths of polyethylene pipelines are established, which correspond to the minimum specific costs.
Tractors and Agricultural Machinery. 2010;(12):28-31
pages 28-31 views

Method of technical state forecasting for mobile equipment

Kokorev G.D., Uspensky I.A., Nikolotov I.N., Kartsev Y.A.


A method of forecasting the technical state of mobile agricultural equipment, based on the laws of change in the probability of failures in units under test, is suggested.
Tractors and Agricultural Machinery. 2010;(12):32-34
pages 32-34 views

Design of dynamic stability of rotating components

Yegozhev A.M., Polischuk Y.A.


A method for calculating the complex rotor dynamic stability, taking into account the distribution of mass of the shaft along the length and the variable-rate rigidity, is presented.
Tractors and Agricultural Machinery. 2010;(12):34-36
pages 34-36 views

Optimization of multilevel storage facilities of technical service enterprises for grain and forage combine harvesters

Tsariov Y.A., Ryabykh A.A.


A model of three-level system of storage facilities architecture in the structure of agricultural sector is developed on the basis of grain and forage combine harvesters' failure statistics.
Tractors and Agricultural Machinery. 2010;(12):37-39
pages 37-39 views

Use of integral indices in the measuring expert system of internal combustion engine

Dobrolyubov I.P.


The use of integral indices in the measuring expert system of internal combustion engine is concidered.
Tractors and Agricultural Machinery. 2010;(12):40-43
pages 40-43 views

Alternatives of transmission for the class 6 caterpillar farm tractor

Lysov A.M.


In this article the speed range of agricultural class 6 caterpillar farm tractor (experimental model) is considered, its shortcomings in comparison with the speed range of John Deere 8520T tractor are mentioned. To remove these shortcomings, some variants of modifying the transmission's kinematic diagram are proposed.
Tractors and Agricultural Machinery. 2010;(12):44-47
pages 44-47 views

A grain crops harvesting technology combining the post-harvest operations

Lipkovich E.I., Trubilin Y.I., Maslov G.G.


The article considers a new grain crops harvesting technology with the possibility of post-harvest operations' combining. The Torum-740 combine practical use in soya harvesting with simultaneous skimming has been analyzed.
Tractors and Agricultural Machinery. 2010;(12):48-49
pages 48-49 views

Economic aspects of root crops harvesting

Martynov V.M.


The results of calculation of benefit from sugar beet growing are given, taking into account direct operating costs and losses caused by early harvesting. Some formulas for calculating the optimal load of harvesters are suggested. As an example, the economical parameters of self-propelled beet harvesters for various rows of foreign and domestic production are compared.
Tractors and Agricultural Machinery. 2010;(12):50-52
pages 50-52 views

List of articles published in our journal in 2010

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Tractors and Agricultural Machinery. 2010;(12):53-56
pages 53-56 views

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