Vol 82, No 2 (2015)


Tractors operating on gas-engine fuel

Goltyapin V.Y.


The article describes modern tractors operating on compressed natural gas. Diagrams of gas and gas-diesel fuel systems are presented.
Tractors and Agricultural Machinery. 2015;82(2):3-7
pages 3-7 views

Improvement of structural reliability of a potato digger

Yerokhin M.N., Maksimov P.L., Dorodov P.V.


A method for optimal designing of parts and units is presented. Its application will allow to increase the structural reliability of agricultural machinery.
Tractors and Agricultural Machinery. 2015;82(2):8-12
pages 8-12 views

Calculation method of modeling of deformation properties of soils in the forecasting problems of interaction of wheeled mover with the bearing surface

Kurdyuk V.A., Volskaya N.S., Rusanov O.A.


The article deals with a technique of modeling of deformation properties of soil bearing surfaces using the finite elements method in nonlinear dynamic formulation for problems related to the passability assessment of wheeled vehicles. Using of the technique will allow to specify the calculation of mutual deformations of tyre and soil bearing surface, to forecast the level of passability of wheeled vehicles depending on the intended area of operation at design stage.
Tractors and Agricultural Machinery. 2015;82(2):12-16
pages 12-16 views

Cold forging of plunger tappet

Filippov Y.K., Ryabov V.A., Ragulin A.V., Zaytsev A.G., Anfimov Y.N., Yevsikov R.A., Levchenko P.S.


Technological process of cold forging of the plunger tappet by using backward-and-forward extrusion is developed. Manufacturing process of the blank is simulated by means of QForm 3D simulation software. Measures for removal of causes of possible defects are described.
Tractors and Agricultural Machinery. 2015;82(2):17-19
pages 17-19 views

Evaluation of statistical characteristics of flow of grain pile entering in dryer

Andrianov N.M., Nikolayenok A.V., Manasyan S.K., Manasyan G.S., Mei S., Li Z.


Dynamics of changes in characteristics of the flow of grain pile entering in dryer have been analyzed on basis of experimental data. Stochastic mathematical model determining the initial operating conditions of dryers is constructed. The model allows to simulate the operating conditions of dryers regardless of their throughput capacity.
Tractors and Agricultural Machinery. 2015;82(2):20-22
pages 20-22 views

Substantiation of kinematic diagram of stroke drive of agricultural bridge aggregate

Khabrat N.I., Umerov E.D.


The article considers the force interaction between stroke drive of bridge aggregate with frictional kinematic connection of supporting-driving wheels and the guide track. Calculated values of power factors leading to misalignment of agricultural bridge aggregate in relation to the guide track are obtained. A new kinematic diagram of drive of bridge aggregate preventing misalignment and providing plane-parallel motion on the guide track is given.
Tractors and Agricultural Machinery. 2015;82(2):22-25
pages 22-25 views

Assessment of white lupine grain damage during harvesting

Aldoshin N.V., Zolotov A.A., Tsygutkin A.S., Aladyev N.A., Malla B., Suleyev V.D., Kuznetsov A.Y.


Factors affecting the quality of threshing of white lupine grain during harvesting are described. Settings of threshing and separating system of КЗС-1218 Palesse GS12 combine harvesters are analyzed. Dependence of seed damage on the rotating frequency of threshing drum and on the gap between threshing drum and concave is determined. Recommendations for adjustment of threshing and separating system of the harvester are given.
Tractors and Agricultural Machinery. 2015;82(2):26-29
pages 26-29 views

To the substantiation of operation mode of backup heating and ventilation systems of drum solar dryer

Kupreyenko A.I., Chenin A.N.


Backup heating and ventilation systems of drum solar dryer providing its work in inclement weather conditions are tested.
Tractors and Agricultural Machinery. 2015;82(2):30-31
pages 30-31 views

Development of technology and line for production of vitamin grass flour from leaf parts of grass plant

Abilzhanov D.T., Abilzhanuly T.


The article proposes a new method and a line for production of vitamin grass flour from leaf parts of grass plant, that ensures reducing of operational costs by 7,2 times as compared to АВМ-0,4 unit and manufacturing of high-quality vitamin grass flour without diesel fuel using.
Tractors and Agricultural Machinery. 2015;82(2):32-35
pages 32-35 views

Determination of critical changes in health condition of tractor operator

Sergiyenko N.Y., Marenich A.N., Sergiyenko D.Y.


The article deals with a method for determination of critical changes in health condition of tractor operator in the process of driving by means of continuous monitoring and processing of cardiological signal.
Tractors and Agricultural Machinery. 2015;82(2):35-38
pages 35-38 views

Environmentally friendly process of reinforcement of cutting tools

Chekalova Y.A., Pini B.Y.


The article considers a new environmentally friendly technology of cutting tools reinforcement that improves productivity and quality of machinery parts processing. Formation technology and structure of mesh coating of cutting tools are presented.
Tractors and Agricultural Machinery. 2015;82(2):38-42
pages 38-42 views

Analysis of failures and arrangement diagrams of vehicles equipped with extra-low pressure tires

Godzhayev Z.A., Kosykh V.F., Lyashenko M.V., Shekhovtsov V.V., Migunov A.I., Chebanenko A.P., Merzlikin A.A.


Analysis of operational failures in drivetrain details of vehicles equipped with extra-low pressure tires has been performed. Imperfection of existing method for simplified calculation of those drivetrains is shown.
Tractors and Agricultural Machinery. 2015;82(2):43-46
pages 43-46 views

Recovery of gears of НШ-А hydraulic pumps using free repair sizes method

Velichko S.A., Martynov A.V.


Ratios of repair sizes of width and outer diameter of gear teeth are determined. They allow to obtain the values of efficiency coefficient no less than 90% of the new pumps’ one.
Tractors and Agricultural Machinery. 2015;82(2):47-49
pages 47-49 views

Plastic deformation during the recovery of sleeve bearings

Romanyuk N.N., Romanyuk S.N., Toygambayev S.K., Nukeshev S.O., Kushnir V.G.


The article provides a brief analysis of methods for recovery of bronze sleeve bearings. Some devices are proposed that will allow to develop the technological processes of recovery of sleeve bearings by various methods.
Tractors and Agricultural Machinery. 2015;82(2):50-52
pages 50-52 views

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