Vol 7, No 1-2 (2013)


Designing of technological containers for storage and transportation of body parts of passenger cars

Avdeyev V.B., Kuzminskiy D.L., Fomichev A.A.


The article is devoted to the design of technological containers for storage, domestic and regional transportation of body parts of passenger cars on the example of the container for an automobile roof. Development of a method of designing of a technological container is carried out ​​using SolidWorks software.
Izvestiya MGTU MAMI. 2013;7(1-2):5-10
pages 5-10 views

Simulation of tangential vibrations of combined cutting-deforming machining of non-rigid shafts

Ankin A.V., Chebyshev A.I.


The article considers the approaches to the modeling of technological processes and devices for cutting-deforming machining of non-rigid shafts.
Izvestiya MGTU MAMI. 2013;7(1-2):11-14
pages 11-14 views

Relationship of surface properties and its fractal dimensions

Bavykin O.B., Vyacheslavova O.F.


The authors analyze the results of studies of the relationship of fractal dimension of the object surface with its properties and its functional parameters. As the result of the analysis the authors propose a table describing the nature of the relationship.
Izvestiya MGTU MAMI. 2013;7(1-2):14-18
pages 14-18 views

Features of calculation of cam-gear-lever mechanisms with an elastic member and a fixed dwell of an output link

Balabina T.A., Mamaev A.N., Simbirtsev I.N.


The article coinsiders the features of cam-gear-lever mechanisms with elastic element providing fixed dwell of an output link. A method of kinematic and force calculation of such mechanisms is stated in brief.
Izvestiya MGTU MAMI. 2013;7(1-2):18-20
pages 18-20 views

Analysis of microstructure of surface layer of a hole while deforming drawing in lubricants

Buylov A.E.


The influence of applied lubricants on formation of a surface layer microstructure while deforming drawing for various materials and technological parameters is considered in this article.
Izvestiya MGTU MAMI. 2013;7(1-2):20-22
pages 20-22 views

Parametric optimization of gear cutting operations

Vinogradov V.M., Cherepakhin A.A.


Matters of parametric optimization of manufacturing processes of medium pitch gears for transmissions, vehicle engines and drives of machine tools are illustrated in the paper. The mathematical model of gear cutting operation and the algorithm of parametric optimization of the machining process of a ring gear are developed by the authors. There are presented the ways of improving of manufacturing methods for gear cutting process.
Izvestiya MGTU MAMI. 2013;7(1-2):22-30
pages 22-30 views

Analysis of the influence of speed of cutting land on stability of a spiral drill bit and ways of its increasing

Petukhov Y.E., Vodovozov A.A.


This article presents the analysis of the influence of cutting speed and the thickness of a cut layer on stability of a cutting land. Based on the analysis there is considered the design of the cutting part of a spiral drill bit with more uniform distribution of stability of cutting points, compared to a usual drill bit. The authors established the equation describing the projection of a cutting land onto a plane perpendicular to the axis of the drill bit.
Izvestiya MGTU MAMI. 2013;7(1-2):31-35
pages 31-35 views

Study of statistical relationship of mechanical properties with chemical composition of bars and sheets from titanium alloys

Davydenko L.V., Egorova Y.B., Mamonov I.M., Chibisova E.V.


On the base of statistical analysis of published data on the mechanical properties there established correlation relationships of tensile strength, elongation, necking with the chemical composition of titanium alloys of different classes.
Izvestiya MGTU MAMI. 2013;7(1-2):35-38
pages 35-38 views

Influence of parameters of the plasma arc and the workpiece material on the structure and properties of Stellite 190 W built-up alloy

Zhatkin S.S., Parkin A.A., Minakov E.A.


In the paper the authors present the results of studies on the influence of the plasma arc current, the distance from the nozzle of the plasma torch to workpiece surface, speed of surfacing and the workpiece material (40X, 19ХГНМА, X18H9T steels) on the formation of the geometric dimensions of the deposited metal zone, structures and properties of built-up Stellite 190W.
Izvestiya MGTU MAMI. 2013;7(1-2):38-46
pages 38-46 views

Technological synthesis of mechatronic machine-tool systems for multi-axis machining

Lukina S.V., Ivannikov S.N., Krutyakova M.V., Manaenkov I.V.


There is considered a technique of technological synthesis of mechatronic machine-tool systems for multiaxis machining in the paper. The technique is visual, universal and implemented with the use of CAD/CAM/CAE/PDM system of SolidWorks software.
Izvestiya MGTU MAMI. 2013;7(1-2):46-51
pages 46-51 views

Features of intermittent profile grinding cylindrical gears

Kalashnikov A.S., Morgunov Y.A., Kalashnikov P.A., Filippov V.V.


The conditions of engagement of grinding wheel with teeth of the cylindrical wheel when intermittent profile grinding are considered in the paper. There are investigated the possibilities of reducing the thermal stress of the grinding process by means of use of highly-porous abrasive wheels, limitation of specific speed of metal removal and sector sequence of teeth grinding.
Izvestiya MGTU MAMI. 2013;7(1-2):51-54
pages 51-54 views

Developing of a model of quality parameters of rolling bearings

Koltunov I.I., Lobanov A.S.


The article presents the results of mathematical research conducted to establish the level of quality of design variants when designing of rolling bearings.
Izvestiya MGTU MAMI. 2013;7(1-2):54-60
pages 54-60 views

Optimization of the quality of production from the positions of economic production efficiency

Kopilov L.V., Dmitriev Y.M., Petukhov S.L.


In the article is examined the interrelation of the quality control and economic production efficiency, the problem of economic effectiveness, including the control of the mechanism of the expenditures, when the branch of the industry of steel structurally complex both on the process of control and on the control process.
Izvestiya MGTU MAMI. 2013;7(1-2):60-68
pages 60-68 views

Improvement of prefabricated cutting tools for heavy lathes

Muzykant I.A., Maksimov Y.V., Litvinov A.S., Mironenko E.V., Gusenko V.S., Mirantsov S.L.


This article considers the issues of improvement of prefabricated constructions for the cutters of heavy machine tools with the purpose of increase the durability of the cutting unit and increase the rigidity of the mounting of cutting elements. There are presented the results of analytical studies of the strength and dynamic characteristics of cutting tools for heavy machine tools.
Izvestiya MGTU MAMI. 2013;7(1-2):68-73
pages 68-73 views

Development and research of multilayer composite coatings with nano-dispersed structure which are deposited on cutting tools using assistance cathode-vacuum-arc processes

Maksimov Y.V., Vereschaka A.S., Vereschaka A.A., Kudrov A.S., Lytkin D.N., Shegai D.L., Bulycheva A.I.


The authors considered the problem of synthesis of multilayer coatings with nano-dispersed structure using the process of assistance filtered cathode-vacuum-arc deposition. The effect of high-energy assisting ions, generated by a special device (implanter), which the ВИТ-3 vacuum-arc setting was equipped with, is analyzed in the paper. The mechanisms of modifying the properties of the deposited coatings and cutting properties of carbide inserts with coatings obtained in assisting cathode-vacuum-arc deposition with filtration of ion-vapor flow are analyzed as well.
Izvestiya MGTU MAMI. 2013;7(1-2):73-82
pages 73-82 views

The application of information technologies in science on the example of the developed test bench for measuring the rotational accuracy of machine-tool spindle assembly

Maksimov Y.V., Kuzminskiy D.L.


Modern machinery is impossible without information technology. Machine tools are the outstanding representatives of the symbiosis of mechanics and electronics. Despite the abundance of parameters which are controlled in machine tools, the most important one is the rotational accuracy of machine spindle assembly. The developed test bench is designed on the base of National Instrument, the modern information system, and allows to measure the rotational accuracy of a spindle assembly.
Izvestiya MGTU MAMI. 2013;7(1-2):82-85
pages 82-85 views

Results of graphic-analytical research of mathematical models of analysis of laser systems of automatic control and control of vibration parameters of technological objects and designs

Matrosova V.V., Murachev E.G.


Mathematical simulation presupposes the search for optimal solutions. Control of the parameters of vibration of objects and structures allows to extend their service life. The authors analyzed the influence of parameters such as channel power ratio m, the angle of parallelism β, the angle α of error of optical reversal on the stabilization factor K.
Izvestiya MGTU MAMI. 2013;7(1-2):85-90
pages 85-90 views

Study of the dynamics of the process of electric discharge sawing by wire tool electrode

Ovsyannikov B.L., Stavitskaya N.B.


The article presents the results of experimental and theoretical studies of the dynamics of the process of electric discharge sawing by wire tool electrode aimed at solving problems of control.
Izvestiya MGTU MAMI. 2013;7(1-2):91-97
pages 91-97 views

Stress-strain state of plastically deformable body in relation to the processes of warm direct extrusion and reduction into conical extrusion dies

Pyzhov V.V., Shlykova A.V.


The article considers the need for developing a reliable method for determining of power parameters of warm die forging. The authors formulated the boundary value problem of determination of the stress-strain state of the visco-plastic deformable body in relation to the processes of warm extrusion into conical dies and established hypothesis assumed in its formulation.
Izvestiya MGTU MAMI. 2013;7(1-2):97-103
pages 97-103 views

Elastic bending of a bimetallic sheet

Tipalin S.A., Shpunkin N.F., Kolesov A.V.


An elastic bending of a sheet with various properties of layers is considered. The relationship for determining the distance from the neutral layer to the interface of the metal layers is derived. Graphically there is presented the change in the relative magnitude of a neutral layer depending on properties of material layers and different thickness of layers of deformable sheet.
Izvestiya MGTU MAMI. 2013;7(1-2):103-106
pages 103-106 views

Hardening of surfaces by physical and chemical method of coating

Shandrov B.V., Filippov V.V., Khomyakova N.V., Volkov S.V.


The article considers the application of the new electrolyte based on sodium phosphate for hardening of outer cylindrical surfaces of parts from aluminum alloy.
Izvestiya MGTU MAMI. 2013;7(1-2):106-110
pages 106-110 views

Designing of gear roll forming tools for finishing of gear ring

Cherepakhin A.A., Vinogradov V.M.


Specific features of cold finishing rolling of teeth of medium pitch gears are considered in the article. It is shown that the modification of addendum and dedendum of a tool’s tooth is needed. The recommendations on the geometric and precision parameters of the designed tool are given.
Izvestiya MGTU MAMI. 2013;7(1-2):110-113
pages 110-113 views

Increasing of efficiency of carbide tools by means of using of activated air

Chekalova E.A., Chekalov P.D.


The authors propose a method for increasing the performance of carbide tools using activated air. The results of studies of the influence of process fluid (air) on the wear of carbide tools are presented in the paper.
Izvestiya MGTU MAMI. 2013;7(1-2):113-118
pages 113-118 views

Environmentally friendly gas-dynamic surface treatment in order to improve surface quality

Chekalova E.A., Chekalov P.D.


There authors consider the influence of energy criteria of treatment process on the quality of a surface layer. The results of surface treatment by clean gas dynamic process are presented.
Izvestiya MGTU MAMI. 2013;7(1-2):119-124
pages 119-124 views

Advantages of using of a device for combined machining and surface plastic deformation with specified rolling force when machining of nonrigid parts such as a hollow cylinder

Vetrova E.A., Lebedev P.A., Adeyev A.S.


The use of a device for combined machining and surface plastic deformation with specified rolling force has great advantages when combined machining of nonrigid parts such as hollow cylinder.
Izvestiya MGTU MAMI. 2013;7(1-2):124-128
pages 124-128 views

Metrological support for tests of experimental gearboxes for buses

Gribanov D.D., Greku M.V., Mikhaylova L.V.


The authors consider the results of the study of manual gearbox for buses in order to determine the time shift. Based on the test results, it was decided to recommend the tested gearbox for use on city and intercity buses.
Izvestiya MGTU MAMI. 2013;7(1-2):128-133
pages 128-133 views

Directed selection of a configuration of flexible automated assembly line for assembling of gearbox shafts

Bukhteeva I.V., Abbyasov V.M., Elkhov P.E.


The paper examines the possibility of applying the method of directed search in the development of re-configurable assembly modules. There is presented one of the variants of robotic assembly line for shafts of automobile gearboxes.
Izvestiya MGTU MAMI. 2013;7(1-2):134-140
pages 134-140 views

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