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BLANK PRODUCTION

Turichin G. A., Tsiboulsky I. A., Somonov V. V., Kouznetsov M. V., Shelyukhovskaya D. V. — Development of laser quenching technology for a ball cock conical thread of drilling tool 

The work presents the results of research in the field of technologies of laser hardening wound conical castle thread of the valve of a drilling tool.
Key words: laser hardening, tool-joint thread of the globe valve, microhardness

Gavrilin I. N., Doubrovsky S. A. — Use of exchange and stock indicators in process forecasting problems illustrated by an example of basic oxygen melting

State estimation method of a converter bath by oxygen lancing process is developed including prediction of gas-slag-metal emulsion emission through vessel mouth. The method is based on exchange and stock indicators. Feasible fields of their practical use are investigated. Various behavioral prediction models of converter bath current state are worked out. Principal trend types (motion) of decarbonization-rate curve at different melting phases are determined.
Key words: basic oxygen melting, exchange and stock indicators, decarbonising

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

Kouptsov V. R. — Analysis of milling techniques with regard to thin-wall basic parts production

A technological solution regarding selection of thin-wall basic parts processing techniques is covered.
Key words: in-milling, up cutting, basic part, machining centre

Lazarev D. Ye., Nasad T. G. — Analysis of burr occurrence at holemaking in corrosion-resistant steel parts

The control chart for prediction of burr type and size in drilling process of stainless steel was developed. With the proposed chart can predict the type and size of the burr at given values of feed and cutting speed and thus may improve quality and reduce processing holes the negative factor — burr formation during the drilling process.
Key words: drilling, burr, control chart process, stainless steel

Ivanaysky A. V., Sviridenko D. S., Ryabtseva A. V. — Application of electric discharge machining when manufacturing machine components

Control methods of pinholes in machine components after electric erosion machining are considered. Practical use of the methods is illustrated by examples of circular parts processing.
Key words: electric discharge machining, EDM tool, production step, microdefect, physicochemical properties, operating factor

TOOLING PRODUCTION

Rogov V. A., Koshelenko A. S., Zhed O. V., Predeina A. I. — Photomechanics-based investigation of stress gradient and stress concentration factors at strength assessment of circular broach

Applying method of photomechanics mode of deformation of circular broach is estimated using its two-dimensional model from optically sensitive material aimed at improving design methods on the base of experimental data.
Key words: photomechanics, physical simulation, stress, fatigue resistance

MACHINING-AND-ASSEMBLY PRODUCTION

Torpachev A. V. — Optimization of assembly-and- jointing work techniques and space facilities in a technical position

The results of the prospective method development for optimization of link-up operations when maintenance of space technique is presented by using computer-aided measuring stand.
Key words: space techniques, link-up operations, technical complex

WELDING, RELATED PROCESSES AND TECHNOLOGY

Boulkov A. B., Safonov S. V., Balbekov D. N., Petrenko V. R., Peshkov V. V. — Effect of surface microgeometry on kinetics of contact development at diffusion welding of titanium

Test results of the titanium samples with model asperities simulate real surface roughness showed that factors influencing on the development of welding process and quality of the diffused joint arc microstructure of the workpiеce and surface finish. It is established that some constant having time dimension can be used as integral characteristic of contact development between the joinable workpieces under conditions of diffusion welding.
Key words: diffusion welding, titanium alloys, physical contact, surface finish gage, mathematical modelling

SPECIAL TECHNOLOGIES

Ivanov A. M., Petrova N. D. — Abrasive wear resistance of steel subjected to equal-ported angular pressing

An estimation of gas abrasion wear resistance of steel Ст3сп subjected to equal-ported angular pressing (EPAP) is considered. It is shown that formation of close-grained steel Ст3сп by EPAP, which improves strength and hardness, ensures higher wear resistance of material in air-abrasive flow.
Key words: steel, wear, equal-ported angular pressing, microhardness, roughness, spray jet, nozzle

Karpov I. V., Ushakov A. V., Lepeshev A. A. — Processing characteristics investigation of nanopowder TiN, synthesized in arc low-pressure discharge plasma

Investigation results of basic processing characteristics of nanopowders TiN, synthesized in arc low-pressure discharge plasma are covered. It is established that apparent density of nanopowder TiN is 0,05 g/sm3, compression ratio makes up 60 % of the theoretical one, initial sintering temperature is 420 K.
Key words: titanium nitride, arc low-pressure discharge plasma, compressibility, sinterability, specific surface

Bondarenko Yu. A., Sanina T. M., Smirnykh A. P., Dmitriyev V. V. — Machining of large-size gear wheels without disassembling

Owing to maintenance of oven aggregates on gear pair operate cyclic and the dynamic loads leading to destruction of working surfaces. The machine tool is developed for restoration of large-sized tooth gear without dismantle from the aggregate, allowing considerably to reduce a run time, to diminish labour input, to lower expenditures that will allow to let out in addition production, consequently, will lower its cost price at the expense of down time reduction under repair.
Key words: cement gyrating furnaces, large-sized tooth gears, restoration, working capacity, gear-milling machine

TESTING AND DIAGNOSTICS METHODS IN ENGINEERING INDUSTRY

Morozov V. S. — Sensitivity enhancement of leak proofness control when using liquids and condensed gas, brought to supercritical fluid

Analytical estimator of the effect of higher sensitivity and reliability of leak proofness control methods when using liquids and condensed gas, brought to supercritical fluid as test medium is described.
Key words: leak proofness, control, supercritical state, pressure

INSTRUMENT-MAKING TECHNOLOGIES

Boykachev V. N. — Innovative quality process maintenance of printed circuit boards

Upgrading of manufacturing printed circuit boards for electronics to be used under conditions of high circuit density is considered. It is shown that raised printed-circuit technique is most effective, but in order to adopt it special NC-equipment, software and tool are necessary.
Key words: printed circuit boards, electronics, techniques

PROCESSES AND PRODUCTION AUTOMATION AND CONTROL, CAD SYSTEMS

Feofanov A. N. — System of automated lines to manufacture carriage axles

Describes the complex is designed for mechanical processing of parts — is the wagon axle.
Key words: automatic line, mechanical processing, complex of automatic lines

MATHEMATICAL MODELLING, CALCULUS OF APPROXIMATIONS AND SOFTWARE SYSTEMS

Grigoryev S. N., Tolok A. V., Silantyev D. A., Lotorevich Ye. A., Poushkarev S. A. — Visualization of mathematical simulation when determining functional surfaces of components

Work is devoted to the solution of tasks of definition of working surfaces of details on the basis of their analytical descriptions, applying a computer’s graphic method.
Key words: computer’s graphic method, M-image, gradient’s method, R-function

STANDARDIZATION AND PRODUCT QUALITY CONTROL

Zmiyevsky V. I., Manoylo V. I. — Conformance evaluation as an enhancement of cost efficiency of customers’ activities

Conformance evaluation normative requirements are covered, as well as eligibility of specialists evaluating conformance.
Key words: regulations, certification, quality management system

PRODUCTION ORGANIZATION

Feofanov A. N., Mitrofanov V. G., Kapitanov A. V., Mishatin V. I. — Machine-building manufacturing control system (basic requirements)

Machine-building manufacturing control system requirements are considered. The system SAP R/3-4 by the company SAP AG is used as a prototype.
Key words: integrated control, machine-building production, information-management system, information technologies, functionality

EDUCATION & PERSONNEL TRAINING

Dmitrenko V. P., Messineva Ye. M., Fetisov A. G. — Features of training on area base profiles "Technogenic safety" upon transition to educational standards of the third generation (FGOS-3)

The paper substantiates the relevance of the educational system development in the field of safety. On an experience example of "Industrial ecology and production safety" and "Natural and technogenic safety and management of risk" departments of "MATI" — Russian State Technological University on formation of the main educational programme according to FGOS-3 competence character, features of two-level system of specialists training (bachelors and masters) are described on two main area profiles of 280700 "Technogenic safety": "Health and safety in a technosphere" and "Engineering protection of environment".
Key words: specialists training, educational standards, competence approach

FOREIGN EXPERIENCE

Potapova G. S. — Review of the foreign journals

INFORMATION

Ivanov A. N. — The 7th International specialized exhibition Photonics. World of Lasers and Optics'2012

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