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STRUCTURAL MATERIALS, METAL SCIENCE

Stegnova I. S. — Magnesium alloys application in the modern engineering industry

Application advantages of the magnesium parts in the engineering industry are covered. Probable causes for defect formation and methods to prevent them are considered.
Key words: magnesium alloys, defect formation, component quality and reliability

BLANK PRODUCTION

Polyakov S. A., Polyakova Z. I. — Manufacturing capability of changing liquid glass properties

Considerable change of the liquid glass processing characteristics is established as a result of its electrotreatment in a special electrolyser, which favours higher uniformity of the moulding sand mixing and improvement of technological properties of the moulded blank parts and fired products.
Key words: production, activated liquid glass, technological properties, ceramics

TECHNOLOGIES AND EQUIPMENT FOR MACHINING, PHYSICOTECHNICAL PROCESSING, NON-CUTTING SHAPING

Ivanov V. S., Utenkov V. M., Ivanov D. V. — Symmetry properties at components’ cycloidal generation of geometry on bi-rotor metal-cutting machines

Shaping kinematic structure on bi-rotor machines is considered and standard parts obtained by multiedge cutter at tangential turning and milling are given. Symmetry properties of the shape-generating cycloidal paths for single-cutters and multiedge generation of geometry are determined.
Key words: part, bi-rotor metal-cutting machines, turning, milling

Koroliov A. V., Koroliov A. A., Tyurin A. N. — Interrelation between cutting energy and surface roughness at super-finishing by abrasive tool

Interdependence between obtained roughness of the processing surface and cutting energy under superfinishing is covered. It is shown that cutting energy is an overall index of the process.
Key words: abrasive tool, cutting energy, surface roughness, superfinishing

Starshev D. V. — Component’s surface layer strengthening at grinding

It is shown that grinding is attended by plastic forming of the surface layers influencing on the component performance criteria. Research result of the spinning and scraping grains’ work in the process of cutting are given. Optimal cutting speed dependence on the required strengthening of the part surface layer is established. Equations to determine characteristic of the plastically deformed layer are given as well as of plastic strain and stress after grinding taking into consideration thermal processes arising in the surface layer of the blank.
Key words: grinding, deformation, stresses, strengthening, optimization

TOOLING PRODUCTION

Guzeyev V. I., Pimenov D. Yu. — Stressed state nonstationarity specified by shearing strain on the back of a mill tooth

The given paper contains the calculated simulation model developed for the formation of spatial tension on an edge mill flank surface with the use of plasticity theory referring to contact body interaction. The milling process was the use of the simulation model, which allowed obtaining the variation of tension on the edge mill flank surface caused by strains area in the shear in the process of the tool move.
Key words: simulation model, tension, flank surface, mill cog, face milling, wear

Gadalov V. N., Romanenko D. N., Skripkina Yu. V., Bredikhina O. A., Romanenko Ye. F., Chernyshova Ye. V. — Wear-resistant ionic-plasma coating for cutting tool

Process technology and equipment for the titanium nitride and carbonitride plasma vacuum deposition onto fast-cutting steel P6M5 (R6M5) and hard alloys ÂÊ6, ÂÊ8 (VK6, VK8) are considered. It is established that under operating conditions based on prior information cutter power increases 1,5–1,7 times and it is 2,5–2,7 as much after model-based optimization.
Key words: coating, high-speed steel, hard alloys, titanium nitride and carbonitride

WELDING, RELATED PROCESSES AND TECHNOLOGY

Pervookhina O. L., Saykov I. V., Pervookhin L. B., Chayadarov F. B. — Deformative and thermodynamic processes at clad titanium explosion welding of cylinders

Titanium deformation structural features at high speed swaging of a titanium tube are considered. Thermodynamic conditions of titanium explosion welding are covered. It is shown that in order to obtain cylinder qualitative cladding by titanium it is necessary to eliminate conditions for localization occurrence of the heat-related changes and for titanium transition into plastic state at conducting the process in the shielding gas. Lengthy current conductors from copper + titanium over 30 diameters long are obtained.
Key words: explosion welding, deformation localization, adiabatic shear bands, thermodynamic conditions

SPECIAL TECHNOLOGIES

Sitnikov A. A., Alexeyev N. S., Boyko Ye. A. — Abrasive material assessment of wear life and adhesion activity

The testing results of wear — proofing some abrasive grains from electric corundum and silicon carbides during microcutting of plasma powdery surface and hardened steel 45 are published in this article. As a result of given research the most wear — proofing abrasives during microcutting of specified materials are shown. Electronic-microscopic and micro-X-rayspectral research of working surfaces of isolated grains allowed to reveal physicochemical processes in contact with abrasive metals, and also to establish adhesive activity of abrasive materials in attitude to plasma surface.
Key words: surfaces, abrasives, microcutting, wear, microrelief, scratch

Dobrinsky Ye. S., Sein V. A. — Marking and identification under conditions of automotive engineering and component manufacturing

Problems of marking, identification and traceability under conditions of motor engineering and components production are considered.
Key words: marking, identification, traceability, motor industry, labels

METROLOGY AND MEASUREMENT ASSURANCE

Kosarevsky S. V., Latypov V. N. — Thread identification by means of Haph transform by 2D shapes obtained by biaxial measuring equipment

In this paper a new method is proposed for thread parameters recognition from 2D images acquired from profile measuring machines via Hough transformation. The described method can by used to automate many operations during thread measurement, drastically reduce operator’s influence on the measurement process resulting in reduces measurement time and increased repeatability.
Key words: thread, Hough transform, profile measurement

TESTING AND DIAGNOSTICS METHODS IN ENGINEERING INDUSTRY

Kleymenov G. B., Shevchenko I. V. — Experiment-calculated method for determination vibration test conditions of the space rocket hardware components

Underlying principles of setting vibration tests modes for the newly designed produce of the rocket space technology are stated. A condition determination experiment-calculated method based on pretesting finite element model of the object and tester attachments is developed.
Key words: vibration test, conditions, overload levels, finite element model

PROCESSES AND PRODUCTION AUTOMATION AND CONTROL, CAD SYSTEMS

Mescheryakova V. B., Bykov P. A., Fiodorov M. Yu. — Part-program creation for the NC-controlled machines in the up-to-date PLM-technologies

A structure of the information system model–part at computer-aided programming is given. Generic methodology is covered and electron model creation models of the NC-controlled engineering tools, cutting tool, tool shed and machining attachments in different CAD/CAM-systems are considered.
Key words: NC-controlled machine, control program, programming, CAD/CAM-system, electron model

MATHEMATICAL MODELLING, CALCULUS OF APPROXIMATIONS AND SOFTWARE SYSTEMS

Demidov V. V., Demidova Ye.V. — Process simulation model of the cylindrical gears’ and corrected gear-shaper cutters’gear-milling by hobs

A methodology of simulation model construction for the spur gear milling and corrected shaping cutters by hobs and basic mathematical dependences used for the model adequate functioning are given. An algorithm and hob milling process 3D simulation programme allowing for high precision determination of the gear ring controllable key parameters of a processed gear wheel or a shaping cutter are designed.
Key words: involute gear hob, simulation computer model, gear milling, modelling

STANDARDIZATION AND PRODUCT QUALITY CONTROL

Sheyman Ye.L. — Classification and normative basis for welding works in the USA

Classification and normative base for the welding work in the USA are covered. Application fields of the various welding and soldering techniques for blanks from different materials and of varied thickness are given, as well as standards and specification for welding and soldering.
Key words: welding, soldering, normative base, specification, technical conditions

LABOUR PROTECTION IN ENGINEERING INDUSTRY

Pereverzentsev B. N., Kumayev M. N. — The Sn-Ag-Cu-system based ecological solder

A solder is developed, which does not contain such harmful component as lead and shows super performance property, at the same time processing behavior of the solder remain unchanging.
Key words: solder, environmental safety, mechanical strength

ECONOMICS OF THE ENGINEERING INDUSTRY AND PRODUCTION ORGANIZATION

Zhirov A. S., Nazarov V. A. — The energy of Russia under the influence of the world economic depression: consequence, tendency, prospect

Article is concerned with the modern in Russian energy branch in conditions of a global economic crisis. Article contains the analysis of current position on the basis of the account of the various points of view, among them theses overestimated under the pressure of crisis. The global economic crisis has considerably changed priorities and methods of the decision of problems, has forced to reconstruct approaches to development. Article is aimed directly at formation of a similar "fresh" view on the problems, made taking into account objective changes.
Key words: thermal power station, power safety, the power policy, energy resources, power, the electric power, European Economic Community, research and development, innovations

FOREIGN EXPERIENCE

Potapova G. S. — Review of the foreign journals

INFORMATION

Ivanov A. N. — The International exhibition "High Technologies of Automation"

Suslov An. A. — The 5th International specialized exhibition "VacuumTechExpo’2010"

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