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STRUCTURAL MATERIALS, METAL SCIENCE

Panin P. V., Shiryayev A. A., Dzunovich D. A. — Plotting a temperature–concentration phase diagrams of titanium alloy ВТ6 alloyed by hydrogen in addition

The regularities of phase composition and structure formation in ВT6 (Ti—6Al—4V) α + β-titanium alloy upon additional doping with hydrogen have been studied. A diagram "phase area — hydrogen content — hydrogenation temperature" for the ВT6—hydrogen system has been developed. This diagram shows the alloy phase composition at room temperature after hydrogenation at different higher temperatures.
Key words: titanium alloy, hydrogen doping, phase diagram

BLANK PRODUCTION

Vlasov A. F. — Electroslag die casting of parts for mining equipment using exothermal conducting fluxes

Experimental techniques revealed that the developed method of manufacture of mining equipment parts of electroslag chill casting method using a solid start and exothermic fluxes, significantly reduces of their labor input of manufacturing. The cast of the new logging technology roller and staples, had a smooth surface without corrugations, sink marks, slag inclusions. In height casting chemical composition of the metal does not change and is within the grade composition. Alloying 40XH steel elements to steel grade composition 38ХГН performed with a dispenser.
Key words: exothermic flux, electroslag chill casting, solid start, roller, clamp, chill mold, dorn

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

Rogov V. A. — High-speed processing of hardened blank parts

High-speed processing features of blank parts from hardened steels are considered.
Key words: high-speed processing, hardened steel, ultra-hard materials, cutters, amplitude-frequency characteristic

Nazarov Yu. F., Ivanaisky A. V., Yurchenko A. A. — Manufacturing features of arched gears for machine reducers

An innovative method of making cylindrical arched gear with grinding operation, providing the necessary qualitet precision gears for the production of parts of machines, as well as design a grinding head for their introduction into production. Head design improves accuracy by 1—2 qualitet, as well as the durability factor of 2.
Key words: gear, arch-toothed, wear resistance, durability, grinding tool, accuracy

Gubanov V. F. — Methodology of implementing smoothering into production

Ensuring a complex of running ability of parts a succession of actions is suggested for efficient use of smoothering in the industry. These measures allow carrying out optimal at technological cost smoothering of the working surfaces of the critical parts and providing absence of inappropriate produce.
Key words: smoothering, service properties, perfection factors, tool

Akulovich L. M., Romanova T. K., Sergeyev L. Ye., Babich V. Ye., Senchurov Ye. V. — Residual stress formation at magnetic abrasive machining of machine component

It is established that residual compression stresses serve as strength reserve of machine components, and tensile stresses cause its reduction and result in fracture growth of the surface lay. Pattern of residual stress distribution at abrasive treatment is given. The process of residual stress initiation in hardened steels taking into consideration thermal effect at grinding and magnetic abrasive machining is considered.
Key words: magnetic abrasive machining, residual stress, strength, performance criteria

TOOLING PRODUCTION

Kachura N. N., Popov A. Yu., Sergeyev V. A., Rechenko D. S. — Modern cutter power at turning operations of titanium alloy ВТ3

It is established that when manufacturing titanium parts from the ВТ3 alloy general distinctive features of machining are such as lower cutting conditions, instability and low predictability of the process, cutting edge disruption, and increased wear.
Key words: cutting tool, turning, titanium alloy, wear

Polyanchikov Yu. N., Kourchenko A. I., Koursin O. A., Polyanchikova M. Yu. — Improvement of single-component abrasive tools by its structure control

Analysis data of the state standard GOST 3647—80 are presented; the guidelines of this standard are taken into consideration when modern abrasive tools are manufactured. It is shown that a new method of producing single-component abrasive tools by accessory shattering of grains of the white electrocorundum by boron carbide grains at pressing allows obtaining a structure with higher grain content of the base and smaller fraction, which favours surfacing of higher grade.
Key words: abrasive tool, white fused alumina, boron carbide, size of grains, impact moulding

Draguina O. G., Makarov V. A., Belov P. S. — Desktop Jet BD-3 turning machine tool retrofit

Upgradability of a hand-operated turning machine is considered. A program control system of feeding devices is set on the lathe. This system includes a controller, synchronous stepping motors, limit switches. Software Mach3 is used for automatic control of the feeding devices.
Key words: turning machine, innovation, cutting tool, high-speed turning

MACHINING-AND-ASSEMBLY PRODUCTION

Vukolov P. Yu., Menshikov G. A. — Critical parameters’ optimization of the resistance butt welding of aluminium extruded large sections

The main mode settings butt welding, affecting the stability of melting process and the quality of the weld. Selected criteria optimization butt welding. Analyzed the stability of optimized modes butt welding of extruded aluminum alloy heavy gauge.
Key words: butt welding, aluminum alloys, stability of fusion welding, butt welding with sediment, optimization mode butt welding

WELDING, RELATED PROCESSES AND TECHNOLOGY

Semistenov D. A., Korotkova G. M., Chermashentseva T. V. — Special features of mechanized welding when using a new model of the inverter "Forsage-502" 

A new model of the inverter "Forsage-502" intended for manual arc and mechanizing gasshielded metal-arc welding is presented.
Key words: inverter "Forsage-502", mechanized welding, characteristic, surfacing

SPECIAL TECHNOLOGIES

Grigoryants A. G., Shiganov I. N., Misyurov A. I., Mikhailov V. S., Kolomeyets N. P. — Innovative technology of low-frequency vibration processing of products in mechanical engineering

New equipment and technologies for low-frequency vibration processing of produce in engineering industry are considered. Design and specification of new equipment, methods of stress relief after welding operations, casting, machining, etc., as well as stress control equipment before and after processing are covered.
Key words: stress, low-frequency vibration processing, equipment, technology

Torpachev A. V. — Efficient characteristic validation of lifting equipment for technical complexes at design stage

The results of the constructive optimization on technical complex joisting machines are presented by application of new programs and models.
Key words: hoisting machines, optimal parameters, technical complex

Alekseyev V. A., Artemyev V. S. — Upgrading thermoconvecting product painting chamber for automobile company

Novel painting techniques for components and produce of different geometry and various overall dimensions in engineering industry are suggested.
Key words: upgrading, painting technology, paint drying, temperature

TESTING AND DIAGNOSTICS METHODS IN ENGINEERING INDUSTRY

Vengrinovich V. L. — Control and diagnostics of surface layers and coatings. Tendencies and prospects

Progress trends of surface layers diagnostics and its prospects are discussed.
Key words: control, diagnostics, coatings, capillary diagnostics

MATHEMATICAL MODELLING, CALCULUS OF APPROXIMATIONS AND SOFTWARE SYSTEMS

Alekseyev V. A., Kolosov S. P. — Development of intellectual analysis technique integrated to models of flow control systems of power-saving equipment

Equipment operation diagnostic technique on the base of generated model and of the method of data intelligent analysis within the decision support system using hybrid rule-pattern for comparative analysis of charts is covered.
Key words: regulation, diagnostics, equipment, instant analysis, model, test bench, algorithm, emergency conditions

ECONOMICS OF THE ENGINEERING INDUSTRY AND PRODUCTION ORGANIZATION

Orlova Ye. V. — Economic statistic trending of enterprise development in engineering industry (macroeconomic approach)

The article is devoted to economic and statistical analysis of states and trends of engineering enterprises development in Russia over the past fifteen years. The basic factors affecting the production efficiency growth, investment attractiveness and competitiveness using econometric modeling were revealed. Key trends for modernization and development the engineering sector after the post-economic crisis are proposed.
Key words: engineering enterprises, post-crisis, macroeconomic analysis, econometric modeling, factors of efficiency growth

FOREIGN EXPERIENCE

Potapova G. S. — Review of the foreign journals

INFORMATION

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