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STRUCTURAL MATERIALS, METAL SCIENCE

Tokmin A. M., Padar V. A., Larionova N. V. — Nonmetallics distribution at solidification of blanking steel under conditions of the electroslag processes

Mishmetal modifying effect on the distribution and evolution of the nonmetallics in the steel 4Х5МФС at die casting is covered. Metallographic examinations and energodispersive analysis are carried out, hardness and impact strength of the specimen, obtained at electroslag die casting, are determined.
Key words: electroslag technique, die steel, crystallization, nonmetallics, modifying

BLANK PRODUCTION

llyaschenko D. P., Koynov V. A., Vasilyev V. A., Zernin Ye. A. — Practice of foundry goods defects elimination by the coated electrode welding-up

Advantage of the electroaerial gouging as compared to other techniques of foundry defects elimination is considered. Research results (i. e. carbon content, metallographic, hardness) of the defect cutting with carbon-electrode electroaerial gouging and coated electrode welding on foundry goods from steel 09Х16Н4БЛ are given.
Key words: electroaerial gouging, welding, defect, structure

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

Petrov A. P., Fiodorov A. A., Yeremeyev V. V., Bespalov S. A. — Effect of the extrusion toolage design on the shear strain intensity at rectangular cross section profile pressing from the rapidly crystallized aluminum alloys

A manufacturing method of rectangular profile pressing from granulated aluminium alloys using special shaped spiral die and standard conical die block is considered.
Key words: granulated aluminium alloys, pressing, rectangular profile, mechanical properties

Gryazev M. V., Fiodorov Yu. N., Artamonov V. D. — Spur gears economical manufacturing technique

A new low-waste and energy-saving manufacturing technique of spur gears is considered. Advantages and disadvantages of the spur gear processing standard methods are analyzed. A method of producing forged pieces with completed gear ring in closed split dies is suggested.
Key words: low-waste and energy-saving technology, spur gears, finishing process

Chepchurov M. S., Afanaskova Yu. A. — Non-contact control of the finish press molds and its implementation

A brief review of the modern control methods of the surface roughness, obtained after machining is given. A non-contact roughness control and a device to implement it are offered.
Key words: machining, roughness, control, device, microprofile

TOOLING PRODUCTION

Nakhapetyan Ye. G., Feofanov A. N., Negrimovskaya N. P. — Ergonomic indicator improvement of the rapidly reset multiproduct manufacture

Influence of the manufacturing environment and performed processing step on the ergonomic and qualimetric factors of the multiproduct automated lines are considered.
Key words: production, ergonomic factors, manufacturing operations

Abbasov V. A., Guliyev A. A. —Abrasive disks' wears at the knurlling rollers profile grinding to contoure shutters flashing of the roofing sheets

Electrocorundum abrasive disks’ wear matters at profile-element circular grinding of knurl rollers for contouring shutters flashing of the roofing sheets are considered. Theoretical calculations are carried out to determine contact length between abrasive grains and machining shape of the knurl roller depending on the dimensions in different cross-sections.
Key words: knurlling rollers, shutters’ flashing, circular grinding, element grinding, abrasive tool, disc linear wear

MACHINING-AND-ASSEMBLY PRODUCTION

Nabatnikov Yu. F. — Work-in-process reduction at selective assembly

Minimization of unfinished production while performing selective assembly is achieved by the way of completing holes of a certain dimension group with shafts of several dimension groups. Basing on numerical illustrations it is demonstrated that volume of unfinished production does not practically depend on quantity of joints and on distribution laws of hole and shaft dimensions.
Key words: assembly, unfinished production, minimization

WELDING, RELATED PROCESSES AND TECHNOLOGIES

Bulkov A. B., Semenozhenkov M. V., Peshkov V. V., Kireyev L. S. — Titanic three-layered construction and honeycomb diffusion welding features

Research results of the OT4-1 alloy samples, simulating three-layered honeycomb sandwich constructions, are covered. It is established that the factor, influencing on the welding process and on the diffusive junction quality, is thicknesses of the skin and filler materials ratio.
Key words: titanic alloys, three-layered construction, honeycomb filler, simulation

SPECIAL TECHNOLOGIES

Mikhaylova U. V. — Disk spring design parameters optimization

Disk spring geometrics design procedure is considered. A possibility to improve the calculations using methods given in the GOST is substantiated. Software allowing for optimizing spring parameters calculation is designed.
Key words: disk spring, geometrics, modelling

Duyun T. A., Grinek A. V., Maximov D. A. — Surface layer quality engineering assurance of the electric motors commutators current-collecting surfaces

Research results of the process technology effect on the surface layer characteristic of the commutator current-collecting surface are given. Finishing technique optimal for operating characteristics is determined.
Key words: electric motor, surface layer, commutator, fine strengthening treatment

Tskipurishvili V. B. — Processing technique development of the bogie frames and bolsters for the railway equipment of minimal mass

It is shown that componentry mass reduction is enabled by using plastic deformation in the areas of stress geometric concentrators in their constructions to create compressive residual stress in them.
Key words: equipment, bogies, frames, mass, stress concentrator

TESTING METHODS AND DIAGNOSTICS IN ENGINEERING INDUSTRY

Kurok A. V., Zyl A. N. — Integrated diagnostic monitoring of the objects of the enhanced hazard

Systems of the integrated diagnostic monitoring are considered, which exercise control on-stream on the base of different non-destructive inspection techniques, strained and stressed state measurement, process operating parameters and techniques of tracking factors which influence on the object damageability.
Key words: monitoring, control, process, operation, defects

PROCESSES AND PRODUCTION AUTOMATION AND CONTROL, CAD SYSTEMS

Magomedov I. A., Kurbanmagomedov K. D. —Analysis of the management and control processes logic-linguistic models in the computer-aided machine-building manufacturing

Simulation data showed that fuzzy algorithms ensure control by the specified functioning law with sufficient controlled process quality under conditions of various external disturbances and drift of the controlled object.
Key words: logic-linguistic models, process, management, control

MATHEMATICAL MODELLING, CALCULUS OF APPROXIMATIONS AND SOFTWARE SYSTEMS

Chernykh I. V., Rachkov S. A. — Pipe heating process simulation in the zone of the weld seam

Preweld induction heating process modeling technique of the large-diameter pipes is considered. Simulation package choice is substantiated. Research results of the thermal field in the zone of the weld seam and temperature distribution in the pipe wall are given.
Key words: induction heating, weld seam, thermal field

Shilov M. A. — On the lubricating layer computer simulation possibility

It is shown that in the process of interaction between surface and material when controlling adsorption, adhesion, wetting surfactant species play an important role. Research results of the interaction mechanism of the surfactant species of different nature and metallic surface open up wide possibilities for scientifically grounded approach to selection of the surfactant species and their compositions for directional effect on the phase boundary properties.
Key words: molecular simulation, lubricating layer, rheology, adsorption

LABOUR PROTECTION IN ENGINEERING INDUSTRY

Boutovsky M. E. — Operating efficiency of the galvanic drain neutralization station

Acid and alkaline drain neutralization practice using reagent method is covered.
Key words: cleaning, galvanic drains, impurity, neutralization

ECONOMICS OF THE ENGINEERING INDUSTRY AND PRODUCTION ORGANIZATION

Lukashev Ye. A., Poserenin S. P., Oleynik A. V. — Construction concept of the maintenance and repair optimal policy by the methods of graph theory and quasi thermodynamic cycles

It is shown how the graph theory and reliability theory determine schedule and volume of the maintenance and repair functions. Assigned task may be formalized, as well as adapted at the phase of product design, its manufacturing, service system organization, operation and further utilization.
Key words: maintenance, repair, graph theory, quasi thermodynamic cycle

EDUCATION AND PERSONNEL TRAINING

Popov V. V., Svetlikov A. S. — Economic aspects of the labour education and refresher training at enterprises

An approach to solve the most important economic and social problems, i.e. efficient use of manpower resources, upgrading of all levels and forms of education, as well as training of personnel, is considered.
Key words: training of personnel, production and educational processes, enterprise

FOREIGN EXPERIENCE

Potapova G. S. — Contents of the foreign journals

INFORMATION

Nekrashevich S. V. — Self-controlling organizations in the field of architectural construction designing

Suslov An. A., Dobrinsky Ye. S. — International specialized exhibition "ROSMOULD. Moulds, Die Moulds, Stamps"

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