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STRUCTURAL MATERIALS, METAL SCIENCE

Lepeshev A. A., Ushakov A. V., Karpov I. V. — Physical-mechanical properties of nanocomposite material based on super high molecular polyethylene and TiO2-based powder

Research results of the nano-dispersed TiO2-powder additions’ influence on physical-mechanical properties of the super high molecular polyethylene samples obtained by the hot pressing method are covered; the powders are obtained in the of low-pressure arc discharge plasma. It is established that vacuum plasma-arc modification of the above mentioned polyethylene gives higher deformative-strength properties. Using roentgen-phase analysis and scanning electron microscopy methods it is shown that vacuum plasma-arc modification determine structure of the polyethylene under investigation.
Key words: super high molecular polyethylene, vacuum plasma-arc modification, physical-mechanical properties, permolecular structure, roentgen-phase analysis, scanning electron microscopy

BLANK PRODUCTION

Zmiyevsky V. I. — Estimated quality management systems for heat treatment shops and divisions

Results of the present auditing procedure requirements analysis of the heat treatment shops and divisions quality management systems are described. Suggestions are given how to control their fulfilment by the groups of experts and by the bodies of the quality management systems certification in their activity.
Key words: heat treatment, quality, conformance evaluation

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

Firsov A. M., Belyayev V. N., Botkin I. V. — Cutting conditions selection features at boring orifice with discontinuous surface

Problems arising at machining holes with non-continuous surface are considered. It is established that changing cutting conditions are to be taken into account at metal-cutting calculation aimed at boring orifice with discontinuous surface. Boring operations design procedure allowing determine more accurately cutting conditions which in fact may be put into practice without adjustment and correction.
Key words: cutting conditions, accuracy, roughness of orifices, process design

Makarov V. M., Dekopolitov M. I. — Analysis of the interdependence between allowance and parameters of profiled gear grinding of spur gears

Formed algorithmic model parameters identification profile grinding gears, depending on the amount of allowance to the teeth of allowing in the automatic mode control cycle of mechatronic machine on the criterion of effectiveness.
Key words: profile grinaing gears, automatic model, machine effectiveness

Kim V. A., Schelkunov Ye. B., Breyev S. V. — Investigation of component surface behaviour forcing at milling

Theoretical and experimental investigation results of the milled surface properties formation are covered. It is showed that milled surface properties are formed in surface layer crumpling by the wedge round part but not in chip forming. Criterion allowing on-line forecasting machined surface roughness is developed.
Key words: milling, machined surface properties, wedge rounding radius

TOOLING PRODUCTION

Gadalov V. N., Salnikov V. G., Romanenko D. N., Shirin I. V. — Wear-resistant coating for cutting tool: the present state and prospects of development

Methods of increase of wear resistance of the metal-cutting tools working in extreme conditions, by drawing ionic-plasma in a complicated manner alloy coverings on the basis of threefold and fourfold systems of nitride of the titan and application of the combined strengthening processing are offered.
Key words: the nitride of the titan, cutting the tool, wear resistance, the covering, alloying element

MACHINING-AND-ASSEMBLY PRODUCTION

Iznairov B. M., Iznairov O. B., Vasin A. N., Mukatova G. Kh. — Mathematical formulation of polyarticular mechanism parameters formed as a result of its assembly

A mathematical model of multilink connection error formation as a result of assemblage is developed taking into consideration effect of many casual and nonrandom factors. Clearance distribution parameter between working elements of the assembly links are shown. Dependencies to determine clearance distribution parameters in each link starting from the member with minimal spacing and up to the one with the maximal clearance are offered. An expression for determining distribution parameters of the joint clearance sum values is obtained. The model may be used for corresponding model construction of specific devices, screw-gears in particular.
Key words: multilink connection, mathematical model, distribution parameters, screw-gear

WELDING, RELATED PROCESSES AND TECHNOLOGY

Burak P. I., Serov A. V., Latypov R. A. — Optimization of a metal strip electrocontact welding process through amorphous solder

Process major factors electrocontactwelding and a metal tape through amorphous tape solder are defined. The equations of regress for definition of durability of connection of a covering with a basis are received at electrocontactwelding through amorphous tape solder, and as depths of a zone of thermal influence depending on capacity of a source and factors of overlapping of welding platforms on diameter and between welding coils.
Key words: electrocontact welding, amorphous tape solder, durability of connection, zone of thermal influence, overlapping factor

SPECIAL TECHNOLOGIES

Zhiganov V. I., Khalimov R. Sh. — Electromechanical strengthening technique of plain slide-ways of metal-cutting equipment

A new technology of electromechanical hardening slideways of machine tools, providing the production of an ordered regular microrelief on the surface friction. Conducted metallographic examination of samples of gray cast iron hardened by the proposed technology, the results are obtained optimum parameters of electromechanical hardening.
Key words: electromechanical hardening, microrelief, surface friction, cast

Khopin P. N. — Running-in ability investigation of friction pairs and solid lubricating coating

Results of microstructure and thermal friction characteristic investigation at the stage of friction pairs and solid lubricating coating running-in showed that run-in time of the friction pairs under consideration goes with the increase of the friction factor and temperature 1,5–2 times as much in comparison with the steady-state mode. A new more accurate as compared with the present time control method of the friction pairs run-in is described. It is based on a higher oxidizing ability of unrun surface of sliding friction.
Key words: running-in, solid lubricating coating, roughness, wear

Petrovsky A. P., Bekrenev N. V. — Non-metal powders’ dispersive composition research by ultrasonic spray drying

Process of reception of a monodisperse powder of GA by ultrasonic dispersion of an initial solution with the subsequent drying microdrops is investigated. The monodisperse powder of GA of the spherical form with the minimal disorder granulometric structure is received. Optimum technological parameters and modes for effective course of technological process with reception of the set properties of particles of a powder are established.
Key words: ultrasonic dispersion, drying of an aerosol, dispersive ness of particles, the spherical form, technological modes

Beschekov V. G., Kotov A. N., Astakhov Yu. P., Nosov A. G., Zhelezny A. G., Krasulya A. A. — Analysis of domestic and foreign experience of nanotechnology manufacturing application for high-duty components

Analysis results of nanotechnologies and nanostructure materials usage in domestic and foreign high-duty component manufacturing in the 2000th are covered. Process equipment development prospects of the machine building sector enterprises as an interim moment of scientific designing transition to concrete production are showed.
Key words: nanotechnology, high-duty components, componentry and system miniaturization, offering

METROLOGY AND MEASUREMENT ASSURANCE

Gordeyev B. A., Gordeyev A. B., Golubeva K. V., Kouklina I. G. — Metrological aspect in measuring vibration parameters by non-contact acoustic methods

Concept of structural members’ vibratory displacements measuring by undulatory acoustic methods is stated. Root causes of error origin when measuring low-frequency vibration parameters by acoustic methods are considered. Their specific features and fields of application are shown.
Key words: measuring, acoustic methods, error, vibration

PROCESSES AND PRODUCTION AUTOMATION AND CONTROL, CAD SYSTEMS

Boubnov D. V. — Decision-making intelligent support in automated technological complexes control

The article is dedicated to intelligent support of the automated technological complex (АТС) which is a complicated dynamic object that runs under the circumstance of incomplete data and uncertainty. Nowadays, to secure acceptable schedules applies heuristic methods based upon use of different rules-production run of parts for processing. To get near-optimal schedules for the time limit, it is proposed joint use of genetic algorithms and model of the АТС. То obtain the version of the schedule as a sequence of events and its main indicators proposed to use designed object-oriented model of АТС.
Key words: intelligent support, technological complex, decision-making

MATHEMATICAL MODELLING, CALCULUS OF APPROXIMATIONS AND SOFTWARE SYSTEMS

Kapitanov A. V., Semiletkin V. Yu., Feofanov A. N. — Program-technical platform of an information analysis system

In a basis of the formal description of program-technical platform Information-analytical system the concept of the many-tier count is necessary, and platform everyone a component the circle of the count, and to each decision — top of the count is put in conformity. Set of optimum decisions forms a way on the column who is by means of Dijkstra’s algorithm.
Key words: information-analytical system, designing, a programmno-technical platform, formalisation, columns, Dijkstra’s algorithm

STANDARDIZATION AND PRODUCT QUALITY CONTROL

Nazarov Yu. F., Ivanaysky A. V., Sorokina I. V. — Requirements to the high-technology equipment specification of a manufacturing system using dimensional processing

Production systems basic requirements are covered; i.e. systems including high-technology equipment for dimensional processing.
Key words: production system, dimensional processing, semantic model, technological-organizational level

PRODUCTION ORGANIZATION

Shoolguin D. B., Chaykov M. Yu., Chaykova A. M., Shoolguina N. A. — Rationalization activity management at a modern instrument making enterprise

Rationalization activity management practice at an enterprise in the Urals is considered. Motivational factors of the rationalization activity are brought out and systematized. Measures and local statutory acts aimed at stimulation of creative activity of the plant workers are discussed.
Key words: management, rationalization activity, measure, creative activity

FOREIGN EXPERIENCE

Potapova G. S. — Review of the foreign journals

INFORMATION

Russian Engineering Union reports

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