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STRUCTURAL MATERIALS, METAL SCIENCE Kouznetsov M. A., Kolmogorov D. Ye., Zernin Ye. A. — Metal structure and properties control by the modification method: A Review In the given work appointment and kinds of modifiers for management of process of crystallization of metal is presented. The short review of application of modifiers in various branches of mechanical engineering. Use of modifiers and modifiers with nanodimensional particles in welding manufacture is considered. BLANK PRODUCTION Zyuban N. A., Routsky D. V., Gamanyuk S. B., Shmal V. V., Ilyin I. N. — Influence of degassing intensification at ingot vacuum casting on the quality of large-size forged pieces Research results of the influence of ingot vacuum teeming practice with jet degassing intensification on non-metallics distribution and on the mechanical properties’ level of shaft large-size forged pieces obtained from ingots cast by both standard and developed techniques are covered. TECHNOLOGIES AND EQUIPMENT FOR MACHINING, PHYSICOTECHNICAL PROCESSING, NON-CUTTING SHAPING Ivanov V. S., Ivanov D. V., Karpenko A. P., Moor D. A. — Bi-rotor multipoint machining conditions multicriterion optimization of the round-shaped parts A two-parameter two-criterion optimization problem of bi-rotor finishing conditions of shaft-type round-shaped parts at turn-milling is considered. Rates of cutting speed and of tool traverse are variable parameters of the task, and minute traverse and tool durability are objective functions. To solve the problem a variation of adaptive problem-solving procedure of multicriterion optimization is used, which is based on function approximation of decision-maker preferences by means of apparatus for neuro-fuzzy implication ANFIS. Malikov A. A., Sidorkin A. V., Yamnikov A. S. — Dynamic behaviour of the spiral gear shaving-rolling Dynamic behaviour research results of the new high-productive resource-saving process of spiral gears combined cutting-deforming working by shaving-rolling are given. A step-by-step force change in the pair blank – shaver-roller along the whole cycle of machining is shown. Surface microhardness of bearing is determined. Denisov A. S., Kazansky M. A., Sazanov I. I. — Abrasive feeding methods at robotic hydroabrasive cutting Abrasive-air mixture preparation processes are considered. Main problems arising when feeding abrasive into the mixing zone by fast fluid jet are disclosed. Abrasive feeding methods are analysed. TOOLING PRODUCTION Lyashkov A. A. — Generating tool shaping by auxiliary surface A generating tool shaping technique based on 2D-3D problem change is covered. This approach assumes an introduction of an auxiliary surface, geometry features of which may be obtained on the base affine transformation usage. The results allow solving the assigned problem by means of computer graphics visually modelling the generation of geometry. Andreyev V. N., Borovsky G. V., Molodyk S. U., Falkovsky V. A. — Hard alloy upgrading of cutting tool Test results of cutter plates made from hard alloy using tungsten carbide nano-powders are covered. WELDING, RELATED PROCESSES AND TECHNOLOGY Lobanov L. M., Lebedev V. A., Timoshenko A. N., Goncharov P. V., Lendel I. V. — Mechanized arc spot welding using electrode wire pulse feeding It is confirmed, that the technique of obtaining spot welded joints using electrode wire pulse feeding may be suggested for welded structures manufacturing in industrial production. SPECIAL TECHNOLOGIES Spirin V. A., Guilev A. V., Titova L. S. — Spiral downhole motor rotor surface roughness prediction at globoid teeth honing An output parameters design procedure of final abrasive machining process is described. The procedure allows predicting working surface finish quality of geometrically-complex and toothed parts depending on the machining conditions. An as-machined surface roughness design procedure is offered, and a mathematical model of rotor surface roughness parameter determination varying 16 independent variables is set forth. Rudenskaya N. A., Shveykin G. P. — Study of microcomposite spheroidization and amorphization Research results of the influence of ceramic particles dispersity, their composition, and plasma process data on the spherical product output, polydisperse microcomposites’ interrelation of spheroidization and amorphization, as well as spheroidization effectiveness and amorphization rate of polydisperse ceramic particles under conditions of low-temperature plasma are covered. Khopin P. N. — Dry-lubricant coating performance on the specially machined surfaces Research results of base machining different techniques before dry-lubricant coating (carbonitriding, plasma sublayer), providing better operating capacity of the above mentioned conjugations are covered. It is established that dry-lubricant coatings on the carbonitrided sublayers (N + С) are more durable on the high-alloyed steels (30CrMoV9) with higher hardness (500 HV). The best durability showed samples with dry-lubricant coating which undergone preliminary carbonitriding up to hardness close to the hardness of the counter-sample. METROLOGY AND MEASUREMENT ASSURANCE Shitikov V. S. — Signal processing technique application to improve geometry measurements efficiency by the vortexcurrent method Rolled metal characteristic measurements procedure by the vortex-current method of non-destructive testing is offered. Different means of tuning out from the impeding factors using algorithms of digital signal processing are considered. Application effectiveness of the method based on Fourier transform for analysis of electromagnetic field space distribution obtained from signal distribution in several vortex-current spaced transducers is shown. TESTING AND DIAGNOSTICS METHODS IN ENGINEERING INDUSTRY Kretov Ye. F. — Steel casting ultrasonic check features Casting ultrasonic check features and base methods are considered. Basic requirements of the Russian and European standards are covered. PROCESSES AND PRODUCTION AUTOMATION AND CONTROL, CAD SYSTEMS Glinsky M. A., Pouzryakov A. F., Kocharov G. R., Kravchenko I. N., Pankratova Ye. V. — CAE-system development for machine components plasma strengthening and restoration processes designing Using plasma spraying coatings computer-aided engineering and design system (CAE-system) make it possible to considerably decrease time required for development of details with coatings spraying technological process, improve the coatings quality at the expense of designing errors amount decreasing. MATHEMATICAL MODELLING, CALCULUS OF APPROXIMATIONS AND SOFTWARE SYSTEMS Sergueyev S. V., Sergueyev Yu. S., Proshunin D. V. — Application of finite-element models for hole-making operations error calculation Process dynamics computer simulation methodology of hole-making by rotating point made-to-measure multiedge tool is covered. PRODUCTION ORGANIZATION Fedorov V. K., Gvozdarev R. S., Ryzhov D. A. — Labor input definition technique of the design documentation updating in special machinery The article deals with current problems as regards design documentation adjustments based on the evaluation of their type, complexity and novelty of products under development. Calculation procedure for labour-intensity adjustments is given too. FOREIGN EXPERIENCE Potapova G. S. — Review of the foreign journals INFORMATION Ivanov A. N. — The 12th International specialized exhibition “Metalloobrabotka’2011”
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