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	Journal "Tekhnologiya Mashinostroeniya"	ISSN 1562-322X
	Contents (�2 2012)
to russian

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.
Key words: welding manufacture, modifiers, modifying, nanodimensional particles, nanopowders, seam metal

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.
Key words: ingot, degassing, non-metallics, forging

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.
Key words: multipoint machining, round-shaped parts, cutting speed, traverse, tool

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.
Key words: gear, circle-arc teeth, force characteristic, dynamics, process, shaving-rolling, residual stress, surface microhardness

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.
Key words: hydroabrasive cutting, abrasive, consumption, cutting rate

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.
Key words: geometric simulation, shaping, angled helical surface

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.
Key words: hard alloy, nano-powder, face mill, operating capacity

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.
Key words: arc welding, point, electrode wire, feeding, pulse, control, forming, repeatability, equipment

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.
Key words: globoid teeth honing, mode of deformation, roughness, geometrically-complex surfaces, physical-mechanical properties, abrasive layer, mathematical model

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.
Key words: microcomposite, dispersity, spheroidization, amorphization, ceramic powder

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 + �) 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.
Key words: dry-lubricant coating, carbonitriding, plasma sublayer, durability of friction pair

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.
Key words: signal, vortex-current method, electromagnetic field, automation

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.
Key words: ultrasonic check, casting, frequency, sensitivity, discontinuity flaw

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.
Key words: coatings, coating engineering, improving the quality

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.
Key words: computer simulation, finite element method, ANSYS software complex, surface shaping process dynamics

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.
Key words: design documentation adjustment, labour-intensity, stages

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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