ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 621.313.13:621.314.571.001-24
DOI: 10.34641/TM.2024.259.1.001
Yangirov I. F., Khalikov A. R., Ayupova A. R., Teregulov T. R., Fedosov E. M., Lobanov A. V. — Non-contact linear asynchronous vibration sensor

The paper considers the design of a linear asynchronous sensor for monitoring vibration parameters of ferromagnetic and electrically conductive bodies. The sensor is technologically advanced, easy to operate, and, with further conversion, can be used as an identifier of the critical vibration point of objects.
Keywords: asynchronous, linear, magnetic Reynolds number, mathematical model

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.923.9
DOI: 10.34641/TM.2024.259.1.002
Asaev A. S., Averin N. V., Ivanaisky A. V., Gavrikov A. M., Linkov R. A. — Finishing treatment of turbine blade flow path surfaces with free abrasive using the vortex cavitation effect

This work is aimed at reducing the labor intensity and defects in the finishing treatment of flow path surfaces of turboprop engine blades after thermal barrier coating application. The paper investigates the implementation of the finishing treatment process using free abrasive with the application of the vortex cavitation effect on the flow path surfaces of turboprop engine blades.
Keywords: finishing treatment, cavitation, turboprop engine blades, free abrasive

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 669.15.74.-194-15.669.17
DOI: 10.34641/TM.2024.259.1.003
Malinov L. S., Malinov V. L., Gavrilova V. G. — Environmentally friendly isothermal hardening — an alternative to the improvement of steels and typical isothermal hardening of high-strength cast iron

The feasibility of isothermal hardening with cooling and holding after austenitization, including partial austenitization, according to the water-furnace-air scheme without the use of environmentally unfriendly cooling media instead of the improvement of medium-carbon steels and the typical technology of isothermal hardening of high-strength cast iron is shown.
Keywords: isothermal hardening, lower bainite, strain martensite, carbides, metastable austenite, mechanical properties

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 621.791
DOI: 10.34641/TM.2024.259.1.004
Sinitsa A. N., Tsumarev Yu. A., Latun T. S., Bobritsky S. M. — Improvement of the design of an angle-to-gusset connection based on stress state decomposition

The analysis of the design of the known angle-to-gusset connection is carried out, and the complex stress state with non-uniform distribution of service stresses characteristic of it is established. A new design is proposed that ensures full alignment of the axes of the joined elements. A comparative computer calculation using the Solid program was performed.
Keywords: angle, gusset, complex stress state, bending, alignment, eccentric tension, stress state decomposition

METHODS AND INSTRUMENTS FOR CONTROL AND DIAGNOSTICS OF MATERIALS AND PRODUCTS

UDC 621.7.08
DOI: 10.34641/TM.2024.259.1.005
Matveev E. V. — Influence of structural configurations of static balancing devices on the accuracy of determining the centers of mass of products

The shortcomings of measurement schemes in which force-measuring supports are used both for measuring large unbalances and for monitoring the results of the performed balancing are identified. The advantages of schemes in which it is possible to use force-measuring supports designed for measuring small forces for measurements are shown.
Keywords: center of mass, measurement of center of mass coordinates, static balancing, equilibration

DESIGN, CONSTRUCTION AND PRODUCTION OF AIRCRAFT

UDC 621.8
DOI: 10.34641/TM.2024.259.1.006
Kokoreva O. G., Antonov A. A. — Energy method for assessing the strength of aircraft parts

The problem of strength and durability of solar battery elements of aircraft is considered, taking into account the mechanism and kinetics of damage accumulation and failure of parts under complex stress state. A method is proposed that allows assessing the durability and stress-strain state of parts under non-stationary temperature conditions, as well as evaluating the plasticity and creep of the structure.
Keywords: structural durability, damage accumulation, vibration loads, non-stationary temperature and force effects, shell element, aircraft, stress-strain state

UDC 629.764
DOI: 10.34641/TM.2024.259.1.007
Savtsov E. S., Torpachev A. V. — Prospects for the use of light launch vehicles for placing spacecraft into orbit

The article considers the relevance of light-class launch vehicles as the primary means of delivering cargo and satellites into Earth orbit and the current direction of development of light launch vehicles in general. The opinions of experts on this issue are studied. Statistical data for previous years and the results of the analysis of promising directions for further evolution of the space industry are presented.
Keywords: light launch vehicles, development trends, world experience

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 621.791.763
DOI: 10.34641/TM.2024.259.1.008
Frolov A. A., Abakumov A. A., Suslin Yu. I., Aleksakhin A. V. — Influence of residual stresses in the inner radius zone R-55 on the reliability of cast side frames of freight car bogies

The causes of internal residual stresses during heat treatment of side frames of freight car bogies are studied, and the reasons for the formation of cracks and casting defects are identified. Additional heat treatment of normalized side frames is proposed to correct harmful residual tensile stresses, transforming them into useful compressive ones.
Keywords: residual stresses, heat treatment, crack formation, cast side frames, new heat treatment technologies

INFORMATION

22nd International Exhibition of Welding Materials, Equipment and Technologies "Weldex-2023"

NRU "MPEI" held the fifth international conference in Izhevsk dedicated to electron beam welding and related technologies

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 621.034
DOI: 10.34641/TM.2024.265.7.043
Tsyrenovich V. V. — Ultrasonic impregnation of electric motor windings with insulating compounds

The "more advanced ultrasonic technological installation of Ya. Ya. Velts" is considered from the standpoint of the physics of high-power ultrasound, obliteration of capillaries, as well as the phenomenon of the formation of a cavitation region at the capillary inlet — the conditions for the occurrence of the ultrasonic capillary effect.
Keywords: ultrasonic capillary effect, cavitation region, physics of high-power ultrasound

UDC 621.313.13:621.314.571.00.24
DOI: 10.34641/TM.2024.265.7.044
Yangirov I. F., Sharipova R. D., Fedosov E. M., Khalikov A. R. — Modernization of the electric drive of the pumping station of the Shushnur oil collection point with a synchronous motor with a rotor starting winding in skewed slots

For the first time, the paper proposes one of the solutions to the problematic task of modernizing the electrical equipment of the pumping station of the Shushnur oil collection point by using a drive synchronous motor with a rotor starting winding in skewed slots to increase the starting torque of powerful synchronous motors and simultaneously achieve stable operation of the electric drive of the "pump-motor" system. It is proposed to make skewed slots in the pole shoe for the starting winding.
Keywords: pump, oil collection point, stability, synchronous machine, starting winding, starting torque, working winding, booster pumping station

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.774
DOI: 10.34641/TM.2024.265.7.045
Kondratenko L. A. — Analysis of the quality of heat exchange tube fastening by modern methods

The features of the stages (transitions) of the technological operation of fastening heat exchange tubes, such as pre-rolling, main roller expansion, and hydraulic expansion, are considered. The requirements for each of the stages are described.
Keywords: heat exchange tubes, rollers, expansion, joint, tube sheet, stresses

FRICTION AND WEAR IN MACHINES

UDC 621.8
DOI: 10.34641/TM.2024.265.7.046
Antonov A. A., Kokoreva O. G. — Analytical assessment of the durability of machine parts

An analytical assessment of the durability of machine parts is presented from the standpoint of stress dynamics depending on the conditional operation of machine parts.
Keywords: variable stresses, failure of machine parts, mechanical properties, operational characteristics, durability safety factor, degree of damage, number of loading cycles during specimen testing, fatigue curve, overload, strengthening

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 669.15.74.-194-15.669.17
DOI: 10.34641/TM.2024.265.7.047
Malinov L. S. — Improving the properties of steels by step heating or cooling during quenching due to obtaining a multiphase micro-inhomogeneous structure with metastable austenite

The results of studies on improving the properties of steels by applying step heating or cooling during quenching are presented.
Keywords: step heating, cooling, quenching, tempered martensite, carbides, metastable austenite, mechanical properties

UDC 621.793.1
DOI: 10.34641/TM.2024.265.7.048
Tulina A. A., Nazarov A. Yu., Ramazanov K. N. — Investigation of the influence of bias voltage during deposition of a vacuum-arc coating based on aluminum oxide on a hard alloy substrate

The article describes the study of the properties of coatings based on aluminum oxide obtained by the method of vacuum-arc evaporation. The purpose of the study was to establish the properties of the coating using the applied deposition technology.
Keywords: ceramics, cutting tool, aluminum oxide, plasma, tribology, coating, bias voltage, vacuum-arc deposition, hard alloy, phase composition

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 621.9.06-112.6
DOI: 10.34641/TM.2024.265.7.049
Feofanov A. N., Dalechin A. S. — Development of a fragment algorithm of an automated system for creating the layout of a three-sided aggregate machine tool

The analysis of the current state of the machine tool building industry and its needs in the country is carried out. The works of leading authors are considered, and existing approaches to the automated synthesis of aggregate machine tool layouts are identified. General directions of development for solving the problem of automated preparation of aggregate machine tool layouts are highlighted. An original algorithm for the automated synthesis of the layout of a three-sided aggregate machine tool based on the location of the machined surfaces of the part is proposed for consideration.
Keywords: machine tools, machine tool building, aggregate machine tools, layouts of aggregate machine tools, machine tool visualization system

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 006.01
Budkin Yu. V. — The contribution of scientist V. A. Kazakov to the technical standardization of mechanical engineering

The contribution of scientist Valentin Alekseevich Kazakov to the development of methods of technical standardization in mechanical engineering is investigated, which resulted in the formation of the section "Product Quality Management. Standardization. Organization of Production" in the journals of the publishing house "Tekhnologiya Mashinostroeniya."

The organizational ability to unite scientists, engineers, and technologists for the development of technical standardization in mechanical engineering is revealed. It is shown that the results of publications became the basis for the development of modern enterprise standards (technical specifications) of the machine-building complex for the implementation of scientific and technical solutions, as well as for inclusion in the Federal Information Fund of Standards.

INFORMATION

Invitation to the Weldex-2024 exhibition

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 62-529
DOI: 10.34641/TM.2024.264.6.036
Makeev I. R., Pashko A. D. — Technology for manufacturing a free turbine gear by an additive method

The operation of modern machines is a complex technological process, which inevitably leads to the need to make qualitative changes in the design and manufacturing technology. The manufacturing technology of technically complex products must ensure high production mobility; therefore, elements of additive manufacturing are being introduced into technological processes.
Keywords: gear, free turbine, additive technologies, SLM printing, engine building

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.923
DOI: 10.34641/TM.2024.264.6.037
Ilinykh A. S., Yurkova E. O., Galai M. S., Pikalov A. S., Miloradovich V. K. — Adaptive control system for the rail grinding process

The paper proposes new principles of adaptive control of the rail grinding process, both during a pass and between passes of the rail grinding train. The developed adaptive control system is designed to operate as part of a rail grinding train and to monitor the results of rail machining operations and, if necessary, to adjust grinding modes during operation.
Keywords: abrasive treatment, grinding accuracy, adaptive control, rail grinding, rail grinding train

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 621.791.92
DOI: 10.34641/TM.2024.264.6.038
Zernin E. A., Petrova E. D., Danilov V. I., Shlyakhova G. V. — Features of the structure and properties of heat-resistant surfacing made of austenitic steel

The microstructure of deposited layers of austenitic steel on low-carbon structural steel is considered. The analysis is carried out, and the features of the formation of the structure of the deposited metal are reflected. The regularities of microhardness distribution in the surfacing and the base metal are determined.
Keywords: multilayer surfacing, flux-cored wire, microstructure, microhardness

ROBOTS, MECHATRONICS AND ROBOTIC SYSTEMS

UDC 004.896:331.45
DOI: 10.34641/TM.2024.264.6.039
Volkova E. G., Poduraev Yu. V. — Training a convolutional neural network for predicting human entry into the working area of a robotic system

This article considers an option for training a convolutional neural network (CNN) to predict the position of a person near the working area of a robotic system.
Keywords: industrial safety, robotic system, neural networks, convolutional neural networks, CNN, neural network training, robotics

DESIGN, CONSTRUCTION AND PRODUCTION OF AIRCRAFT

UDC 519.213:621.3.019.3
DOI: 10.34641/TM.2024.264.6.040
Dokukin A. V., Lomakin M. I., Niyazova Yu. M. — Assessment of the probability of timely elimination of critical failures of spacecraft

The problem of assessing the probability of timely elimination of critical failures of spacecraft onboard equipment under conditions of incomplete data represented by small samples of the failure-free operation time of onboard equipment and the time of diagnosing and restoring its operability is considered.
Keywords: spacecraft, onboard equipment, critical failure, probability, moments, distribution function

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 681.5.004.62
DOI: 10.34641/TM.2024.264.6.041
Terekhin A. V. — Creation of a structural diagram of a program for calculating a single-circuit gas cooler

The study is devoted to the development and analysis of a program for calculating a single-circuit gas cooler used at compressor stations for cooling natural gas. The focus of the work is on "tube-in-tube" type heat exchangers, characterized by simplicity of design and the ability to operate in a wide range of temperatures and pressures.
Keywords: heat exchangers, main gas pipelines, gas cooling, thermal calculation, heat transfer coefficient, optimization of gas transportation systems

UDC 681.5.004.62
DOI: 10.34641/TM.2024.264.6.042
Feofanov A. N., Yudin D. V. — Automation of technological preparation of production for the selection of cutting tools

This article presents the problems arising in small-scale production conditions. It shows the current lack of CAD systems for solving the most complex tasks such as determining the machining method and selecting cutting tools, and the high dependence on the human factor and the qualifications of engineering personnel. The types of losses arising due to the lack of an automated cutting tool selection system and the need to reduce its range are shown. To automate this task, an approach is proposed that uses the machining allowance, decomposed into elementary components, as initial data.
Keywords: automation, CAD, machining method, cutting tool selection, small-scale production

INFORMATION

Results of the XI International Industrial Forum "Territory NDT 2024. Non-Destructive Testing. Testing. Diagnostics"

17th Moscow International Exhibition of Tools, Equipment and Technologies MITEX

* * *

V. A. Kazakov

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 67.05
DOI: 10.34641/TM.2024.263.5.029
Pechenkin A. P., Pashko A. D. — Determination of the technical condition of a CNC lathe by introducing non-destructive testing technology

It is proposed to introduce into production a complex of non-destructive testing of the technical condition of equipment. This complex will allow regular checks of the current condition of equipment units and assemblies.
Keywords: non-destructive testing, complex, technical condition, equipment, repair

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 669.01:621.77
DOI: 10.34641/TM.2024.263.5.030
Muslimov A. P., Ragrin N. A., Abdykerimova D. K. — Development of a dual-circuit automatic control system for the operating modes of a hydraulic press designed for metal forming

The article presents materials on the development of a dual-circuit automatic control system for the operating modes of a hydraulic press designed for metal forming. The developed automatic operating mode control system is universal and can be applied in other equipment with hydraulic drives for various purposes.
Keywords: hydraulic press, metal forming, automatic process control, dual-circuit operating mode control system, electro-hydraulic feedback, hydraulic amplifier, mathematical models, dynamic characteristics, transient process

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 621.9.025
DOI: 10.34641/TM.2024.263.5.031
Tabakov V. P., Morozov O. I., Shtubov N. S., Raspaev V. D. — Investigation of the stress state and cyclic crack resistance of multi-element TiSiMeN coatings

The results of studies of the stress state and cyclic crack resistance of three-element TiSiMeN coatings are presented. It is shown that three-element coatings are characterized by higher total compressive stresses acting in them during the cutting process and cyclic crack resistance. Coatings with greater cyclic crack resistance provide a greater increase in the tool life period.
Keywords: coating, stress state, cyclic crack resistance, cutting tool, tool life period

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 621.785.532
DOI: 10.34641/TM.2024.263.5.032
Nagimov R. Sh., Vafin R. K., Nikolaev A. A., Asylbaev A. V. — Investigation of the influence of technological modes of ion nitriding in an arc discharge on the part temperature and the depth of the nitrided layer during complex ion-plasma treatment

The paper describes the influence of nitriding technological modes, such as substrate voltage, plasma source current with a hot cathode, and the percentage of nitrogen in the Ar + N2 gas mixture, on the part temperature during ion nitriding in an arc discharge, as well as on the depth of the nitrided layer at constant and varying times.
Keywords: ion nitriding, arc discharge, complex ion-plasma treatment, regression model, high-speed steel

UDC 812.35.03.13
DOI: 10.34641/TM.2024.263.5.033
Antonov A. A., Doroshenko F. E. — Technologies for reducing welding stresses in tanks

The technological features of performing heat treatment of large-sized units of tank structures in furnaces, as well as by the local heat treatment option, are outlined. To reduce the level of residual welding stresses, it is proposed to use low-cost and effective technologies of ultrasonic impact treatment and low-frequency vibration treatment. Methods for measuring residual stresses are presented, which allow optimizing welding processes to ensure a safe level of residual stresses in welded joints of structures.
Keywords: vertical tanks, welding stresses, heat treatment, ultrasonic impact treatment, low-frequency vibration treatment, stress measurement methods

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 681.5.004.62
DOI: 10.34641/TM.2024.263.5.034
Feofanov A. N., Shpandaruk V. A. — Analysis of methods for determining the labor intensity of machining operations at the early stages of production preparation

The article presents an overview of existing methods for calculating labor intensity. The analysis of the possibility of applying the considered methods at the early stages of production preparation is carried out. The advantages and disadvantages of the existing methods are considered.
Keywords: methods for determining labor intensity, summary experimental-statistical group, analytical group, mathematical-statistical group, product mass accounting method, specific rationing method, product design complexity accounting method, multifactorial analysis method

PERSONNEL TRAINING

UDC 21.701:658.386
DOI: 10.34641/TM.2024.263.5.035
Frolov V. A., Fedorov S. A. — Traditions and innovations in domestic higher education

The article considers the concepts of tradition and innovation and their interrelation, analyzes the foundations of traditional and innovative education, and substantiates the need to implement an innovative competency-based approach in teaching. The problems and factors complicating the determination of the optimal ratio of traditions and innovations in educational practice are presented, and the features of the innovative activity of a higher school teacher are noted.
Keywords: tradition, innovation, higher education, training, competency-based approach, innovative activity, teacher, student, university

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 621.313.13:621
DOI: 10.34641/TM.2024.262.4.021
Yangirov I. F., Khalikov A. R., Fedosov E. M., Pashali D. Yu., Teregulov T. R., Safina G. F., Mukhametshin A. V. — Double-spiral electromechanical vibration sensor

The paper presents for the first time an original design of an electromechanical vibration sensor with a spiral secondary element with beveled slots in the spiral element, featuring increased sensitivity and steepness of the conversion characteristic, expanded functional capabilities, and speed of response. Analytical relationships for the analysis and design of the electromechanical vibration sensor are derived, taking into account and without taking into account edge effects in the presence of longitudinal beveled slots depending on the magnetic Reynolds number.
Keywords: spiral sensor, higher harmonics, signal quality

UDC 621.57
DOI: 10.34641/TM.2024.262.4.022
Tsydenov V. D. — Overview of the air refrigerating machine VKhM-7-70

This article presents an overview of the process equipment of the VKhM-7-70 air refrigerating machine with a cold chamber volume of 7 m3, designed for cooling and isothermal holding of large-sized parts and assemblies of machines and apparatus at low temperatures (down to –70 °C).
Keywords: air refrigerating machine, turboexpander, cooling capacity, adsorber

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.951.45
DOI: 10.34641/TM.2024.262.4.023
Ragrin N. A., Ainabekova A. A. — Substantiation of analytical methods for constructing empirical models

The paper presents a comparative analysis of methods for approximating experimental results on the influence of cutting speed on the durability of high-speed steel twist drills, in order to substantiate an analytical method for constructing an empirical model that allows predicting drill durability with maximum accuracy at cutting speeds below the boundary values not covered by the experimental design.
Keywords: experiment, approximation, cutting speed, durability, graph, equation, model

UDC 62-294
DOI: 10.34641/TM.2024.262.4.024
Lutyanov A. V. — The problem of stability of a cylindrical shell under torsion using modern modeling tools

Using the method of assessing the stability of a cylindrical shell in devices with aerostatic bearings, the analysis of the momentless state of the system is carried out, and the critical moment of the boring bar position of the device during cutting of materials is determined. Recommendations are given for designing the optimal structure of the tool block of the device and installing them in the boring bar, and requirements for processing modes are formulated to achieve the specified quality parameters of the machined parts.
Keywords: modeling, cylindrical shell, torsion, stress state

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 621.73
DOI: 10.34641/TM.2024.262.4.025
Golovkin P. A. — Influence of intermetallic phases on the corrosion resistance of sheets and plates made of AMg6 alloy

The relationship between the quantitative content of intermetallic phases and the corrosion resistance of the material of hot-rolled sheets and plates made of aluminum-magnesium alloy AMg6 is considered.
Keywords: aluminum alloy, material, hot-rolled sheets and plates, intermetallics, hot working phases, temperature, corrosion resistance

UDC 627
DOI: 10.34641/TM.2024.262.4.026
Sushkov V. S., Danilin V. N., Aleshchenko A. S. — The use of plasma nitriding to improve the quality of aluminum alloys in order to increase their service life

This article presents an overview of plasma nitriding for aluminum alloys with an emphasis on its application to increase the service life of components.
Keywords: plasma nitriding, aluminum alloy, strength, wear resistance, surface treatment, service life increase, nitriding

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 631.311
DOI: 10.34641/SP.2023.1061.4.036
Lyalyakin V. P., Aulov V. F., Svotnev A. V. — State and prospects of restoring internal combustion engine valves by welding and surfacing methods

The analysis of wear of internal combustion engine valves is given. Existing restoration methods are considered. It is shown that the most effective restoration methods should be considered surfacing of the valve face with high-frequency currents.
Keywords: valve, wear, valve face, gas-powder surfacing, high-frequency currents, plasma surfacing, laser

METHODS AND INSTRUMENTS FOR CONTROL AND DIAGNOSTICS OF MATERIALS AND PRODUCTS

UDC 629.78:629.7.685
DOI: 10.34641/TM.2024.262.4.027
Sokolov K. A., Torpachev A. V. — Reducing the time to reach the operating mode of oxygen concentration control sensors by forced cooling with cold air from vortex tubes

The problem of forced reaching of the operating mode by thermomagnetic gas analyzers is solved. The results of studies on reducing the error of sensors by cooling them with air supplied from vortex tubes are presented.
Keywords: oxygen concentration control sensors, forced cooling, vortex tubes

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 681.5.004.62
DOI: 10.34641/TM.2024.262.4.028
Feofanov A. N., Kuznetsov P. M., Novikov A. Yu. — Automation of the formation of information and technological support for industrial production

The article considers a rational solution for loading equipment in automatic mode by the method of an approach to information and technological support of the production system using feedback.
Keywords: automation, production system, control, information flows, iteration, feedback

INFORMATION

Rosmould & 3D-TECH 2024

We invite you to take part in Weldex 2024, the country's key welding exhibition!

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 621.313.13:621.314.571.001-24
DOI: 10.34641/TM.2024.259.1.001
Yangirov I. F., Khalikov A. R., Ayupova A. R., Teregulov T. R., Fedosov E. M., Lobanov A. V. — Non-contact linear asynchronous vibration sensor

The paper considers the design of a linear asynchronous sensor for monitoring vibration parameters of ferromagnetic and electrically conductive bodies. The sensor is technologically advanced, easy to operate, and, with further conversion, can be used as an identifier of the critical vibration point of objects.
Keywords: asynchronous, linear, magnetic Reynolds number, mathematical model

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.923.9
DOI: 10.34641/TM.2024.259.1.002
Asaev A. S., Averin N. V., Ivanaisky A. V., Gavrikov A. M., Linkov R. A. — Finishing treatment of turbine blade flow path surfaces with free abrasive using the vortex cavitation effect

This work is aimed at reducing the labor intensity and defects in the finishing treatment of flow path surfaces of turboprop engine blades after thermal barrier coating application. The paper investigates the implementation of the finishing treatment process using free abrasive with the application of the vortex cavitation effect on the flow path surfaces of turboprop engine blades.
Keywords: finishing treatment, cavitation, turboprop engine blades, free abrasive

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 669.15.74.-194-15.669.17
DOI: 10.34641/TM.2024.259.1.003
Malinov L. S., Malinov V. L., Gavrilova V. G. — Environmentally friendly isothermal hardening — an alternative to the improvement of steels and typical isothermal hardening of high-strength cast iron

The feasibility of isothermal hardening with cooling and holding after austenitization, including partial austenitization, according to the water-furnace-air scheme without the use of environmentally unfriendly cooling media instead of the improvement of medium-carbon steels and the typical technology of isothermal hardening of high-strength cast iron is shown.
Keywords: isothermal hardening, lower bainite, strain martensite, carbides, metastable austenite, mechanical properties

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 621.791
DOI: 10.34641/TM.2024.259.1.004
Sinitsa A. N., Tsumarev Yu. A., Latun T. S., Bobritsky S. M. — Improvement of the design of an angle-to-gusset connection based on stress state decomposition

The analysis of the design of the known angle-to-gusset connection is carried out, and the complex stress state with non-uniform distribution of service stresses characteristic of it is established. A new design is proposed that ensures full alignment of the axes of the joined elements. A comparative computer calculation using the Solid program was performed.
Keywords: angle, gusset, complex stress state, bending, alignment, eccentric tension, stress state decomposition

METHODS AND INSTRUMENTS FOR CONTROL AND DIAGNOSTICS OF MATERIALS AND PRODUCTS

UDC 621.7.08
DOI: 10.34641/TM.2024.259.1.005
Matveev E. V. — Influence of structural configurations of static balancing devices on the accuracy of determining the centers of mass of products

The shortcomings of measurement schemes in which force-measuring supports are used both for measuring large unbalances and for monitoring the results of the performed balancing are identified. The advantages of schemes in which it is possible to use force-measuring supports designed for measuring small forces for measurements are shown.
Keywords: center of mass, measurement of center of mass coordinates, static balancing, equilibration

DESIGN, CONSTRUCTION AND PRODUCTION OF AIRCRAFT

UDC 621.8
DOI: 10.34641/TM.2024.259.1.006
Kokoreva O. G., Antonov A. A. — Energy method for assessing the strength of aircraft parts

The problem of strength and durability of solar battery elements of aircraft is considered, taking into account the mechanism and kinetics of damage accumulation and failure of parts under complex stress state. A method is proposed that allows assessing the durability and stress-strain state of parts under non-stationary temperature conditions, as well as evaluating the plasticity and creep of the structure.
Keywords: structural durability, damage accumulation, vibration loads, non-stationary temperature and force effects, shell element, aircraft, stress-strain state

UDC 629.764
DOI: 10.34641/TM.2024.259.1.007
Savtsov E. S., Torpachev A. V. — Prospects for the use of light launch vehicles for placing spacecraft into orbit

The article considers the relevance of light-class launch vehicles as the primary means of delivering cargo and satellites into Earth orbit and the current direction of development of light launch vehicles in general. The opinions of experts on this issue are studied. Statistical data for previous years and the results of the analysis of promising directions for further evolution of the space industry are presented.
Keywords: light launch vehicles, development trends, world experience

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 621.791.763
DOI: 10.34641/TM.2024.259.1.008
Frolov A. A., Abakumov A. A., Suslin Yu. I., Aleksakhin A. V. — Influence of residual stresses in the inner radius zone R-55 on the reliability of cast side frames of freight car bogies

The causes of internal residual stresses during heat treatment of side frames of freight car bogies are studied, and the reasons for the formation of cracks and casting defects are identified. Additional heat treatment of normalized side frames is proposed to correct harmful residual tensile stresses, transforming them into useful compressive ones.
Keywords: residual stresses, heat treatment, crack formation, cast side frames, new heat treatment technologies

INFORMATION

22nd International Exhibition of Welding Materials, Equipment and Technologies "Weldex-2023"

NRU "MPEI" held the fifth international conference in Izhevsk dedicated to electron beam welding and related technologies

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 62-868; 67-05; 66-041
DOI: 10.34641/TM.2024.260.2.009
Nizhegorodov A. I. — A furnace for vermiculite firing with a rational configuration and arrangement of heaters in the working zone of electric modules

The article considers a new suspended heating system with a rational configuration of heating elements in electric modular release furnaces.
Keywords: electric modular release furnace, firing module, non-uniform temperature distribution, rational configuration of the heating system, thermal power

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 627
DOI: 10.34641/TM.2024.260.2.010
Sushkov V. S., Mishurov S. S., Aleshchenko A. S. — Increasing the durability of aluminum by reducing the wear rate of its matrix

This article investigates effective strategies for reducing the wear rate in aluminum matrices with a focus on factors affecting wear, surface modification methods, lubrication and tribology approaches, material design and alloying strategies, as well as the influence of heat treatment.
Keywords: aluminum matrices, reduction, wear rate, surface modification, lubrication, tribology

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 669.14.018.017
DOI: 10.34641/TM.2024.260.2.011
Molochkova O. S., Petrochenko E. V. — The effect of aluminum on heat and wear resistance, chemical composition and structure of oxide layers of complex-alloyed white cast irons

The article analyzes the results of studies aimed at investigating the influence of aluminum and cooling rate during crystallization on the phase composition, structure, operational and mechanical properties of complex-alloyed white cast iron. The surface structure of oxide layers, the distribution of elements between the structural constituents of the alloy and the oxidation surface are studied.
Keywords: microstructure, chemical composition, high-temperature holding, volume fraction of carbides, scale resistance, growth resistance, oxide layers

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 812.35.27.39
DOI: 10.34641/TM.2024.260.2.012
Khriptovich E. V., Shiganov I. N., Grezev N. V. — Modeling of the wide-band laser alloying process

The article considers the mathematical modeling of a highly efficient method of laser alloying with the introduction of powder materials through a slot nozzle and the use of a wide-band surface heating source. The main physical regularities and phenomena that allow describing the technological process are determined.
Keywords: modeling, laser, alloying, modification, scanning

UDC 621.741.92
DOI: 10.34641/TM.2024.260.2.013
Malinov L. S., Malinov V. L., Lavrova E. V. — Wear resistance of deposited metal providing the self-quenching effect under loading

The paper presents data on the wear resistance of chromium-manganese and manganese deposited metal containing in its structure metastable austenite undergoing dynamic deformation martensitic transformation (self-quenching effect under loading), which provides self-protection against failure. The feasibility of combining surfacing with subsequent heat treatment, chemical-heat treatment, and deformation treatment in a number of cases is shown.
Keywords: powder surfacing materials, deposited metal, martensite, metastable austenite, dynamic deformation martensitic transformation, self-quenching effect, wear resistance, carbides, carbonitrides

METHODS AND INSTRUMENTS FOR CONTROL AND DIAGNOSTICS OF MATERIALS AND PRODUCTS

UDC 620.179.15:681.3
DOI: 10.34641/TM.2024.260.2.014
Dronov E. A., Barakhov V. I. — Evaluation of the characteristics of the heat-accumulating capacity of a casting mold for casting diesel engine cylinder blanks using X-ray computed tomography

One of the possible approaches to assessing changes in the characteristics of the heat-accumulating capacity of a casting mold using X-ray computed tomography is presented. The mold for casting a diesel engine cylinder blank of AK "Tulamashzavod," made of a clad mixture and having crusts and a central core, is investigated.
Keywords: casting mold, heat-accumulating capacity, square root law, crystallization rate and thickness of the solidified layer, cylinder blank, diesel engine, X-ray computed tomography

DESIGN, CONSTRUCTION AND PRODUCTION OF AIRCRAFT

UDC 629.7.05
DOI: 10.34641/TM.2024.260.2.015
Dubrovin I. G., Torpachev A. V. — Investigation of issues of improving the operation of instruments and devices of launch vehicle control systems

The article is devoted to the problem of improving the operation of instruments and devices of control systems. The structure and purpose of control systems are considered, elements requiring improvement are identified, and proposals are made to increase the efficiency of their operation.
Keywords: instruments and devices, improvement, control system, efficiency, command instruments, onboard computer

INFORMATION

27th International Exhibition and Business Forum "BIOT-2023"

Results of the X Anniversary International Industrial Forum "Territory NDT 2023. Non-Destructive Testing. Testing. Diagnostics"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGY OF MECHANICAL ENGINEERING

UDC 62-762.65
DOI: 10.34641/TM.2024.270.12.077
Dolzhansky Yu. M., Makarov A. S., Pas O. V., Pushkarev S. A. — Promising means of technological equipment for the manufacture of bellows elements of assembly units of technical devices for various purposes

Promising technologies and means of technological equipment for the manufacture of bellows elements of technical devices for various purposes are presented.
Keywords: bellows, shaping of bellows elements, welding of bellows assembly units

TECHNOLOGIES AND MACHINES

UDC 621.313.13:621.314.571.00.24
DOI: 10.34641/TM.2024.270.12.078
Yangirov I. F., Khalikov A. R., Kabirov A. M., Kudryavtsev N. S. — Investigation of a ferro-powder brake in dynamic mode

The paper determines the transfer function of a ferro-powder brake for studying it in dynamic mode for coupling with other elements of the control system. The results of experimental studies with numerical and graphical results for practical use in production are presented.
Keywords: ferro-powder brake, dynamic mode, phase-frequency characteristic, amplitude-frequency characteristic, generator, electromagnetic time constant

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.91.01, 621.9.015
DOI: 10.34641/TM.2024.270.12.079
Albov M. A., Goncharov A. A., Akulinichev P. D., Gnatenko P. E. — Investigation of the influence of processing modes on the roughness of small-size internal cycloidal helical surfaces during processing by the gerotor drilling method

The article proposes a mechanism for the formation of micro-irregularities, presents an analytical relationship between the roughness value and the geometric parameters of the tool and the axial feed of the tool per revolution, and also conducts an experiment confirming the obtained analytical dependencies.
Keywords: single-screw pump, gerotor drilling, cutting, tool feed, roughness

UDC 621.91.01
DOI: 10.34641/TM.2024.270.12.080
Erenkov O. Yu., Yavorsky D. O. — Combined method of turning thermosets with advanced vacuuming of the workpiece

The results of experimental studies of turning thermosets using advanced vacuuming of the workpiece surface are presented.
Keywords: turning, thermoset, vacuuming, roughness

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 621.78
DOI: 10.34641/TM.2024.270.12.081
Gadalov V. N., Zhilina K. V., Kutepov S. N., Kalinin A. A., Petrenko V. R. — Monitoring of heat treatment modes for changes in the physical and mechanical properties of reinforcing steels

The paper studies the modes of heat treatment with an assessment of their influence on the mechanical properties of low-carbon and low-alloy reinforcing steels.
Keywords: reinforcing steel, mechanical properties, quenching, furnace tempering, electric heating tempering, internal friction

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 812.35.39.51.57.17
DOI: 10.34641/TM.2024.270.12.082
Doroshenko F. E., Litovchenko V. A. — Ways to improve the geometric accuracy of coiled tanks for oil and petroleum products

The analysis of the causes leading to excessive geometric deviations of the shells of coiled tanks and a decrease in their reliability and durability is given. Measures have been developed aimed at improving the quality of tank construction, including by changing the technology of winding coiled panels onto the frame, improving the technology of their welding, as well as applying modern technology for assembling and welding panels during tank installation.
Keywords: vertical coiled tanks, coiling technology, welding and installation of coiled panels

METHODS AND INSTRUMENTS FOR CONTROL AND DIAGNOSTICS OF MATERIALS AND PRODUCTS

UDC 620.179.15:681.3
DOI: 10.34641/TM.2024.270.12.083
Chizhikov A. B., Barakhov V. I., Barakhov A. V. — Improvement of designs and manufacturing technologies of diesel engine parts using X-ray computed tomography

One of the possible approaches to improving the designs and manufacturing technologies of the cylinder and piston of diesel engines is described using the example of their optimization using X-ray tomography at AK "Tulamashzavod."
Keywords: diesel engine, improvement of designs and technologies, X-ray tomography, foreign analogues, optimization of blank casting, assessment of residual stresses, causes of jamming and their elimination

INFORMATION

XII International Industrial Forum "Territory NDT. Non-Destructive Testing. Testing. Diagnostics" (Territory NDT-2025)

Alphabetical index of articles for 2024

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 621.313.13:621.314.571.001-24
DOI: 10.34641/TM.2024.269.11.072
Yangirov I. F., Maksudov D. V., Kudryavtsev N. S., Kabirov A. M. — Generalized mathematical model of electromechanical spiral drives for microrobots

The article describes the design of spiral microrobots that meet the requirements of microelectromechanical systems, and a generalized mathematical model of an electromechanical spiral drive for them with experimental confirmation.
Keywords: drive, model, spiral stepping mover, oscillation mode, solid microelectromechanical systems

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.771.07:621.787.6
DOI: 10.34641/TM.2024.269.11.073
Ogarkov N. N., Zvyagina E. Yu., Antropova L. I. — Calculation method for determining the zone of structural changes in the surface layer of mill rolls during texturing by the thermal method

This paper proposes a calculation method for determining zones with a changed structure. The microstructure of the surface of a skin-pass mill roll made of 9Kh2MF roll steel is investigated, the printability of which forms a texture on the surface of the cold-rolled strip.
Keywords: mill rolls, surface layer, electro-erosion texturing, structural changes

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 622.1/2(035)
DOI: 10.34641/TM.2024.269.11.074
Polishchuk V. S., Peresadchenko A. N., Alekhov Yu. A., Shavshina A. N. — Regularities of the formation of properties of composite magnetic-abrasive powders obtained by sintering transition metal carbides

The article considers the regularity of the interaction of transition metal carbides with iron melt, and recommendations are given on the technology for producing composite magnetic-abrasive powders with extremely high magnetic and abrasive properties.
Keywords: regularity, formation, composite magnetic-abrasive powders, sintering

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 621.791.75; 621.314
Burlaka V. V., Gulakov S. V., Golovin A. Yu. — New directions and developments in the field of welding equipment at the Priazovsky State Technical University

The article presents the results of the work of the Scientific and Technical Center of Power Electronics of the Federal State Budgetary Educational Institution of Higher Education "Priazovsky State Technical University," Mariupol, aimed at the development and creation of highly efficient power welding equipment.
Keywords: arc welding, power source, inverter, printed circuit board, welding properties, power factor

METHODS AND INSTRUMENTS FOR CONTROL AND DIAGNOSTICS OF MATERIALS AND PRODUCTS

UDC 812.35.01.81
DOI: 10.34641/SP.2024.1067.4.027
Razygraev A. N., Razygraev N. P., Orlov V. V., Efimov S. V., Evtushenko S. G., Skorobogatykh V. N., Bastakov L. A., Davydov D. M., Samedov Ya. Yu. — Manufacturing of test and calibration specimens, certification of systems and methods for non-destructive testing of NPP equipment and pipelines

The article presents the results of work on providing ROSATOM with technologies for manufacturing specialized test and calibration specimens that are necessary for conducting certification tests of systems, methods, and personnel of non-destructive testing by ultrasonic, visual, television, and eddy current methods, as well as for setting up and checking system equipment before testing the base metal, welded joints, and cladded surfaces of equipment and pipelines. The performance of this work demonstrated and ensured the technological sovereignty of ROSATOM in global production.
Keywords: nuclear power plant, non-destructive testing, ultrasonic testing, eddy current testing, television inspection, defect, discontinuity, test specimen, calibration specimen, base metal, welded joint, anti-corrosion cladding

UDC 544.35; 621.9.048.7
DOI: 10.34641/TM.2024.269.11.075
Barzov A. A., Korneeva V. M., Feofanov A. N., Korneev I. S. — Formalized express assessment of local fatigue damage of the surface layer of materials or products made from them

The paper notes the informational and physical imperfection of standard methods for determining the fatigue strength of structural materials. A model is proposed that links the local fatigue damage of the surface layer material into a single functional complex depending on the nature of the physical and energy impact on it. Prospects for the development of the research results are outlined.
Keywords: surface layer, structural material, fatigue strength, mesodiagnostics, damage characteristics

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 681.5.004.62
DOI: 10.34641/TM.2024.11.269.076
Vladimirov Yu. I., Oborin A. V., Porsev K. I. — Scientific and practical aspects of reverse engineering of a cylindrical drive gear

The article presents the results of research and development work in the field of reverse engineering of a cylindrical drive gear of a lid-making machine for printing enterprises. A technological route has been developed and a technological process for manufacturing a cylindrical drive gear has been implemented.
Keywords: reverse engineering of machine-building products, technological import substitution, cylindrical drive gear

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 621.002.56
DOI: 10.34641/SP.2023.1063.6.052
Vybornov A. P., Bigus G. A., Remizov A. L. — The use of engineering fracture mechanics in diagnosing the technical condition of potentially hazardous technical devices

The article considers issues related to technical diagnostics and the assignment of terms for technical inspection of potentially hazardous technical devices.
Keywords: technical diagnostics, technical inspection, weld defect, fatigue crack, residual life

INFORMATION

Results of the Rusweld 2024 exhibition

Results of the Technoforum-2024 exhibition

XII International Industrial Forum "Territory NDT. Non-Destructive Testing. Testing. Diagnostics" (Territory NDT-2025)

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGY OF MECHANICAL ENGINEERING

UDC 621.9.048.4
DOI: 10.34641/TM.2024.268.10.064
Saifullin R. N., Arbuzov R. F., Biryukov A. L. — Influence of the duration of electric spark hardening on the wear resistance of knife blades

The purpose of this study is to determine the presence of the self-sharpening effect and to find the optimal time for electric spark treatment of hardened knife blades. The blades of construction knives were used as the object of the study.
Keywords: wear resistance, electric spark hardening time, electrode, blade, abrasion, hardening, self-sharpening

TECHNOLOGIES AND MACHINES

UDC 621.9.06
DOI: 10.34641/TM.2024.268.10.065
Voitenko V. A. — Experimental studies of a friction clutch for a heavy-series universal lathe

The article presents the results of experimental studies of a friction clutch containing additional friction discs that are part of the driven disc and have the ability to freely rotate around axes passing through their centers of mass. Recommendations are given for the selection of individual parameters of the friction clutch for heavy-series universal lathes.
Keywords: friction clutch, friction disc, driven disc, vibration, noise, angular velocity

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.01
DOI: 10.34641/TM.2024.268.10.066
Kislitsyn S. A. — Productivity of the process of jet electrolytic-plasma treatment of EP648 steel

The paper considers the process of treating EP648 steel by the method of jet electrolytic-plasma treatment. Based on the obtained experimental data, graphs of the change in the mass of the processed product over time, as well as the change in the surface roughness parameter, are plotted.
Keywords: jet electrolytic-plasma treatment, process productivity, EP648 steel, electrolyte

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 621.785.01:669.112:543.57
DOI: 10.34641/TM.2024.268.10.067
Sharapova V. A. — Structural features in high-carbon steel with a micro-TRIP/TWIP effect

The influence of high-temperature quenching on the formation of a dissipative structure of metastable austenite and the occurrence of the micro-TRIP/TWIP effect during abrasive wear of the working surface of high-carbon steel 150KhNML is studied.
Keywords: abrasive wear, wear resistance, martensite, retained austenite

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 621.71; 539.374
DOI: 10.34641/TM.2024.268.10.068
Kruglov A. A., Lutfullin R. Ya., Mukhametrakhimov M. Kh., Rudenko O. A. — Features of the application of anti-welding coatings in corrugated structures made of titanium alloys

The paper substantiates the necessity of the heat treatment operation of titanium blanks with the applied coating before diffusion welding. In this case, heat treatment should be carried out in a vacuum furnace.
Keywords: corrugated structure, diffusion welding, anti-welding coating, titanium alloy

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 537.632
DOI: 10.34641/TM.2024.268.10.069
Lutyanov A. V., Kukharev D. A. — Development of computer-aided design systems for improving the accuracy of manufacturing complex parts

The article considers the critical importance of integrating engineering graphics systems, calculations, programming of CNC machines, and automated control systems to improve the accuracy and efficiency of production processes in modern mechanical engineering. Special attention is paid to the finite element method in engineering calculations, which allows for in-depth analysis of the mechanical properties of materials.
Keywords: integration of CAD systems, automated control systems, continuous monitoring, adjustment of production processes, management of large volumes of data

UDC 681.5.004.62
DOI: 10.34641/TM.2024.268.10.070
Feofanov A. N., Levshina A. S. — Substantiation of the influence of the complexity coefficient of a technological operation on the execution time of the manufacturing process

This article considers the influence of the complexity coefficient of a technological operation on the execution time of the manufacturing process. The influence of various parameters on the manufacturing process is considered. The results of the analysis can be useful for improving production efficiency, improving product quality, and reducing costs.
Keywords: technological process, production, model, interrelation, labor intensity, variables, mechanical processing, surface

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 658.512.6
DOI: 10.34641/TM.2024.268.10.071
Efromeev N. M., Frolov E. B. — Effective planning of machine-building production in a multi-machine servicing mode

The article considers a mathematical model of a production system that allows effective planning of machine-building production in conditions of multi-machine servicing. The proposed effective optimization algorithms are implemented in practice using the MES system "FOBOS" (Russia).
Keywords: mathematical model of a production system, production planning, multi-machine servicing, MES

PERSONNEL TRAINING

UDC 621.791:378.4
Chigarev V. V., Zarechensky D. A. — 80 years of training welding engineers at the Priazovsky State Technical University

The article presents the historical stages of organizing the training of welding engineers in the city of Mariupol. The features of practical training of students and research activities at the welding departments of the Priazovsky State Technical University are revealed, which ensured the solution of scientific and practical tasks in fruitful cooperation with industrial enterprises, the graduation of qualified engineering personnel and highly qualified personnel.
Keywords: welding engineer, university, department, research work

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

This page is under construction.

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGY OF MECHANICAL ENGINEERING

UDC 621.373.826
DOI: 10.34641/TM.2024.266.8.050
Dudarev A. S. — Overview of light-beam methods of hole shaping in polymer composite materials as an alternative to mechanical processing

The review article considers light-beam methods of hole shaping in polymer composite materials, such as carbon fiber reinforced plastics and glass fiber reinforced plastics. The technological features of the main and alternative methods of processing polymer composite materials are considered using the example of the most common and industry-demanded technological operation — hole shaping.
Keywords: laser, shaping, perforation, hole, tool, drilling, polymer composite material, carbon fiber reinforced plastic, glass fiber reinforced plastic, cutting, defect, burn-through, light-beam method

TECHNOLOGIES AND MACHINES

UDC 621.8
DOI: 10.34641/TM.2024.266.8.051
Antonov A. A., Kokoreva O. G. — Modeling of the deformed state of a splined shaft

Mathematical modeling of the stress of a deformed splined shaft is presented. The variational method for solving the problem of elastic deformation of the shaft taking into account force loading is considered. The components of deformation (elastic displacements and stresses) at various points of the splined shaft are determined using classical expressions for the strain and stress tensors. A mathematical assessment of the stresses of the gear transmission is carried out, taking into account various variants of force loading.
Keywords: mathematical modeling, stress-strain state, elastic displacements and stresses, splined shaft, gear transmission, strain and stress tensor, potential energy, force loading

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 669.268.6
DOI: 10.34641/TM.2024.266.8.052
Kitaev N. I., Pichkhidze S. Ya. — Development of a resource-saving technology for diffusion chromizing of the surface layer of 12KhN3A steel under high-temperature micro-arc action

A new technology for diffusion chromizing of the surface layer of 12KhN3A steel has been developed and proposed for implementation, which allows significantly reducing the duration of high-temperature exposure and energy consumption through the use of micro-arc action as a heating source. The recommended modes of micro-arc action are presented, which allow obtaining a rational combination of microhardness and wear resistance during diffusion saturation of 12KhN3A steel with chromium.
Keywords: surface layer, 12KhN3A steel, chromium, micro-arc action, diffusion chromizing, microhardness, wear resistance

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 812.35.31.13.15
DOI: 10.34641/SP.2024.1065.2.015
Pashkov I. N., Gadzhiev M. R., Morozov V. A., Bazlova T. A. — Selection of solder in the production of road machine cutters and investigation of the microstructure of brazed joints

This paper considers the process of induction brazing of road machine cutters with various solders having different forms of application. The microstructure of brazed joints for two classes of solders — copper-manganese and copper-zinc — is investigated; differences in the formation of a diffusion zone in the hard alloy, accompanied by a decrease in cobalt content, are found. The influence of solder forms on the quality of brazed seams is studied.
Keywords: induction brazing, brazing of road cutters, import substitution, diffusion zone, solder form

METHODS AND INSTRUMENTS FOR CONTROL AND DIAGNOSTICS OF MATERIALS AND PRODUCTS

UDC 621.791; 624.042; 624.044; 624.046
DOI: 10.34641/TM.2024.266.8.053
Makarov G. I., Fomin R. S. — Experimental assessment of the crack resistance of welded pipes of main pipelines

The article considers the issues of confirming compliance with the regulatory requirements for the fracture toughness of welded pipes of main pipelines. The results of laboratory tests for CTOD crack resistance of standard Type 3 and Type 4 specimens according to GOST 25.506-85 made of 09G2S steel grade, obtained using a universal testing machine LFMZ-100 Walter + BaiAG, are presented.
Keywords: main pipelines, welded pipes, crack resistance, crack tip opening displacement (CTOD)

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 681.5.004.62.
DOI: 10.34641/TM.2024.266.8.054
Feofanov A. N., Bekasova E. N., Grishina T. G. — Innovative information technologies and quality control in the modern process of preparing facilities for the production of required products

The article considers the concept of quality control in the preparation of facilities for production, which is acquiring a new facet due to the integration of modern automated information technologies, and its importance as a component of the successful implementation of the processes of preparing facilities for the production of required products.
Keywords: automated information technologies, quality control, production, integration, products

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 629.7: 658.511.54
DOI: 10.34641/TM.2024.266.8.055
Makarov A. S. — The issue of certification of technologies and special technological equipment of enterprises of the military-industrial complex

The analysis of the regulatory and legal framework of digital tools used at enterprises of the military-industrial complex to ensure the certification of technologies and special technological equipment is carried out. Conclusions are drawn about the absence of both regulatory and methodological support and the information systems themselves. The main directions of development of this area are determined.
Keywords: military-industrial complex, information passports of technologies and special technological equipment, software and information system, digitalization

INFORMATION

Orlov V. V., Volobuev Yu. S. — The State Scientific Center of the Russian Federation JSC NPO TsNIITMASH is 95 years old

Results of the Rosmould & 3D-TECH and Rosplast 2024 exhibitions

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 621.313.13
DOI: 10.34641/TM.2025.271.1.001
Yangirov I. F., Kabirov A. M., Khalikov A. R., Kudryavtsev N. S., Andreev A. K. — Self-tuning spiral controlled shunt reactor

The article proposes an original design of an electromechanical self-tuning spiral controlled shunt reactor, its mathematical model is created, and calculation relationships for practical use are derived with experimental confirmation of the obtained theoretical provisions.
Keywords: liner, double-spiral solenoid, beat, capacitive coupling, oscillatory process, spiral shunt controlled reactor, power engineering

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.923.9
DOI: 10.34641/TM.2025.271.1.002
Asaev A. S. — Investigation of the wear resistance of thread-rolling dies subjected to finishing treatment with free abrasive using intensified cavitation action

This work is aimed at investigating the influence of the method of finishing treatment with free abrasive activated by cavitation hydrodynamic action on the tool life period of a tool for plastic deformation, using the example of a thread-rolling die. The article considers the dynamics of changes in macrostructure and microhardness as factors affecting the impact-fatigue failure of the working surface of the tool.
Keywords: cavitation, finishing treatment, free abrasive

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 621.795.5 P. A.C. S. 68.35.Ct
DOI: 10.34641/TM.2025.271.1.003
Tamindarov D. R., Smyslov A. M. — Ensuring the accuracy of GTE compressor blades made of two-phase titanium alloys during their electrolytic-plasma polishing

This work is devoted to the study of the processing accuracy parameter during the implementation of the process of electrolytic-plasma polishing of compressor blades of gas turbine engines made of two-phase titanium alloys in a working electrolyte.
Keywords: electrolytic-plasma polishing, GTE compressor blades, finishing treatment, titanium alloys, VT6, VT8M-1

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 621.791.927.93
DOI: 10.34641/SP.2024.1068.5.036
Ershov A. V., Ershov A. A. — New ceramic flux for welding austenitic-ferritic steels

The article presents materials on the study of the welding and technological properties of passive fused flux 48-OF-6 and two ceramic fluxes FTsK-27 and FVK-1.
Keywords: flux, submerged arc welding, ceramic flux, metallurgical and welding-technological properties

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 004.925.84 539.3 621.86
Karaban V. A., Sagirov Yu. G., Zarechensky D. A., Vlasov V. T. — Modern methods of solid-state modeling of the stress-strain state of metal structures (Review)

The article considers computer modeling methods that allow creating three-dimensional solid objects geometrically similar to real products. It is shown that with solid-state computer modeling, it is possible to study the stress-strain state of loaded elements of machine parts and structures at the design stage, optimize the design, manufacturing technology, and restoration.
Keywords: types of modeling, stress-strain state, topological optimization, computer-aided design systems, software products

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 65.012.1
DOI: 10.34641/TM.2025.271.1.004
Ragrin N. A., Ainabekova A. A., Kurganova D. M., Orozakunov D. K. — Substantiation of methods for reducing the labor intensity of technical experiments

The paper presents a comparative analysis of multifactorial and single-factor planning of technical experiments in order to substantiate ways and methods of reducing the labor intensity of technical research. The possibility of reducing the labor intensity of experiments when applying a single-factor experiment plan is substantiated.
Keywords: experiment, factor, level, technical problem, random effect, response function

PERSONNEL TRAINING

UDC 62-529
DOI: 10.34641/SP.2024.1066.3.022
Lyalyakin V. P., Chavdarov A. V. — Modern welding and surfacing equipment for organizing the educational process at universities

The equipping of educational laboratories with automatic welding equipment in most universities does not meet the requirements set by manufacturers. The article considers the issues of developing the basic principles of layout and equipping programmable welding installations for teaching fusion welding processes in the educational process.
Keywords: welding and surfacing equipment, educational process, software equipment

INFORMATION

23rd International Exhibition of Welding Materials, Equipment and Technologies. Weldex and Fastenex 2024 Exhibitions

Rosmould & 3D-TECH 2025

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 621.03:773.93
DOI: 10.34641/TM.2025.275.5.031
Kozlov M. A., Filippov M. A., Permyakov D. S., Kisel A. G. — Investigation of the regularities of changes in the shrinkage value during 3D printing with photopolymer resins having different properties

The article presents studies of the regularities of changes in the shrinkage value of a part during its 3D printing from photopolymer resins of various grades with different physical properties. The purpose of the work was to improve the accuracy of 3D printing of parts from photopolymer resins by predicting the shrinkage value.
Keywords: 3D printing, part, photopolymer resin, shrinkage value, physical properties

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.923
DOI: 10.34641/TM.2025.275.5.032
Voitenko V. A. — Experimental studies of flat grinding of ceramic and metal-ceramic friction materials of friction discs

The prospects of using ceramic and metal-ceramic materials as working surfaces of friction devices of metal-cutting machines are shown. The results of experimental studies of flat grinding of ceramic and metal-ceramic materials used for the manufacture of working surfaces of friction discs are presented.
Keywords: metal-cutting machine, friction device, flat grinding, free abrasive, friction material, abrasive suspension, cutting products, viscosity, cutting speed, roughness

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 669.15'.74-194:621.785.52
DOI: 10.34641/TM.2025.275.5.033
Malinov L. S., Malinov V. L., Gavrilova V. G., Tsys E. A. — Carburizing of steels not usually subjected to it, and heat treatment increasing their abrasive wear resistance due to the additional self-quenching effect under loading

The results of studies on increasing the abrasive wear resistance of steels of various chemical compositions by carburizing, not usually applied to them, and subsequent heat treatment are presented.
Keywords: carburizing, quenching, martensite, carbides, metastable austenite, self-quenching effect

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 621.791.92
DOI: 10.34641/TM.2025.275.5.034
Shchenev A. A., Nurzhanova O. A. — Development of a new technology for the scraper conveyor pan

This paper considers methods for restoring the scraper conveyor pan in order to increase durability, wear resistance, and economic efficiency of its operation. The main attention is paid to the comparative analysis of various surfacing methods using 16G2AF steel, as well as a mathematical model linking surfacing parameters with strength characteristics.
Keywords: pan restoration, scraper conveyor, wear resistance, welding, surfacing, mathematical model, regression analysis, strength, wear resistance

METHODS AND INSTRUMENTS FOR CONTROL AND DIAGNOSTICS OF MATERIALS AND PRODUCTS

UDC 621.791
DOI: 10.34641/SP.2025.1071.2.017
Boyong S., Yuncan Ch., Wenlong Ts. — Investigation of ultrasonic testing of weld defects in laser forging combined with arc welding

E690 marine steel plate was selected as the object of the study. The combined arc and laser forging welding method was used to study the distribution characteristics of transverse defects in marine steel composites. The study used the ultrasonic phased array method to study defects. A comparative analysis of cross-sectional defects in combined arc and laser welding and those produced using EDM wire cutting equipment was carried out.
Keywords: marine steel, laser forging, arc welding, ultrasonic phased array, weld defects

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 658.512
DOI: 10.34641/TM.2025.275.5.035
Feofanov A. N., Efromeev N. M., Shpandaruk V. A. — Analysis of production efficiency when forming an order portfolio: the cost of a machine-hour, the functional-cost approach

The article considers the problem of forming a portfolio of production orders of an enterprise when it is necessary to make effective decisions on putting specific products into production. This problem is successfully solved by calculating the labor intensity of manufacturing the corresponding parts at the stage of design preparation of production. The authors use an automated system for calculating the manufacturing time of body parts on multi-purpose machines in small-scale production.
Keywords: production, automation, order portfolio, labor intensity, functional-cost analysis, MES-system

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 621.9.06-112.6
Dalechin A. S. — Current state and prospects for the development of the use and production of aggregate machine tools in the Union State of Belarus and Russia

An analysis of the current state of the use and manufacture of aggregate machine tools and automatic lines in the Union State is prepared. The types of aggregate machine tools used and the typical range of products manufactured on them at the leading machine-building enterprises of Belarus are described.
Keywords: machine tools, machine tool building, aggregate machine tools, layouts of aggregate machine tools, machine tool building industry

INFORMATION

UDC 621.002.061
Results of the XII International Industrial Forum "Territory NDT. Non-Destructive Testing. Testing. Diagnostics"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGY OF MECHANICAL ENGINEERING

UDC 621.763
DOI: 10.34641/TM.2025.274.4.022
Shiganov I. N., Kholopov A. A., Lomakin I. A., Bogatyrev D. O. — Structural features of Fe-Cu composite materials obtained by additive technology of direct laser deposition

Samples of three compositions of various compositions were obtained by the method of direct laser deposition. It is established that the structure of these materials is a copper matrix with uniformly distributed iron particles. The possibility of obtaining material without delamination by fusing steel and bronze powders is shown.
Keywords: composites, additive technologies, modes, structure, compositions

UDC 621.313.13
DOI: 10.34641/TM.2025.274.4.023
Yangirov I. F., Kabirov A. M., Khalikov A. R., Kudryavtsev N. S., Andreev A. A. — Training simulator for studying relay protection of an asynchronous motor with a squirrel-cage winding

The article attempts to solve the problem of creating a training simulator for training relay protection specialists, to study the relay protection of an asynchronous motor on a simulator as close as possible to practical operating conditions.
Keywords: power engineering, relay protection, overvoltage, phase, short circuit, consumer

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.91.01
DOI: 10.34641/TM.2025.274.4.024
Erenkov O. Yu., Yavorsky D. O. — A promising technical solution for turning reinforced polymer composite materials

This paper presents methods for turning reinforced polymer composite materials, the technical essence of which is the implementation of vibro-impact treatment of workpieces prior to turning. Methods and results of experimental studies of geometric parameters of the quality of the turned surface of a part are presented.
Keywords: polymer composite materials, turning, vibro-impact action, machined surface, roughness, deviation from cylindricity

UDC 621.92
DOI: 10.34641/TM.2025.274.4.025
Babayan V. V., Akulinichev P. D., Goncharov A. A., Gnatenko P. E. — Experimental study of residual pressure in abrasive material during flow tumbling

The paper considers the residual pressure arising in the abrasive material, and its experimental dependence on the depth of immersion into the working medium is obtained. The analysis of the obtained results is carried out.
Keywords: flow tumbling, free abrasive, abrasive material pressure

FRICTION AND WEAR IN MACHINES

UDC 621.941
DOI: 10.34641/TM.2025.274.4.026
Tselikov P. V., Sukhenko S. A., Kisel A. G., Deshevykh D. V. — Investigation of the tool life period during finish turning of a TN1 alloy workpiece

The article presents studies of the tool life period during finish turning of a workpiece made of a shape memory alloy using the example of TN1 titanium nickelide.
Keywords: workpiece, cutting tool, turning, tool life, wear

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 621.791.92
DOI: 10.34641/TM.2025.274.4.027
Emelyushin A. N., Gromov V. E., Chapaikin A. S., Shlyarova Yu. A., Mikhno A. R. — Structure and properties of M9 high-speed steel surfacing after tempering and electron beam irradiation

The structure and properties of an M9 high-speed steel coating formed by plasma surfacing in a mixture of argon and nitrogen gases are investigated.
Keywords: plasma surfacing, flux-cored wire, hardness, high-speed steel, microstructure, electron beam treatment

UDC 621.8
DOI: 10.34641/TM.2025.274.4.028
Kokoreva O. G., Antonov A. A. — Quantitative assessment of the degree of hardening of the surfaces of oil and gas equipment parts

A quantitative assessment of the degree of hardening of the surfaces of oil and gas equipment parts is carried out by studying the microstructure of hardened specimens along the surface depth.
Keywords: microstructure, deformation, static-pulse treatment, hardening depth, grain size, high-manganese steel, quantitative assessment, hardening efficiency

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 812.35.15.01
DOI: 10.34641/TM.2025.274.4.029
Pavlov A. A., Amezhnov A. V., Utkin I. Yu., Kartunov A. D. — Methodology for studying the kinetics of austenite phase transformations during the welding process

The paper describes a methodology for recording and decoding thermokinetic curves on a dilatometer and constructs a thermokinetic diagram of austenite decomposition for the overheating zone of low-carbon low-alloy steel at various cooling rates.
Keywords: dilatometer, welding thermal cycle, thermokinetic diagram

UDC 621.791.927
DOI: 10.34641/SP.2025.1070.1.006
Zarechensky D. A., Chigarev V. V., Vorobiev V. V., Shpak A. A. — Influence of the design of a flux-cored strip electrode on the dilution of the base metal in the deposited metal

The paper presents the results of comparative studies of the influence of the design of flux-cored strips on the dilution of the base metal in the deposited metal. It is established that the location of the lock joints of the flux-cored strip shell affects the penetration depth and the dilution of the base metal in the deposited metal.
Keywords: flux-cored strip, lock joints, shell design, penetration depth, dilution of base metal in deposited metal

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 658.5
DOI: 10.34641/TM.2025.274.4.030
Reshetnikova A. V., Feofanov A. N. — Automation of error search in textual technical documentation for mechanical engineering, instrument making, and construction products

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGY OF MECHANICAL ENGINEERING

UDC 620.184.4:62-254.64
DOI: 10.34641/TM.2025.273.3.013
Runova Yu. E., Chatkina M. V., Chuikina M. Yu. — Influence of the direction and distribution of fiber in the metal of a wheel hub stamping on its mechanical properties

The paper establishes the relationship between the macrostructure of stamped hub blanks and their mechanical properties. The optimal pattern of fiber distribution in the stamping structure to achieve the maximum level of strength of the finished part is identified.
Keywords: stamping, car wheel hub, macrostructure, strength

TECHNOLOGIES AND MACHINES

UDC 621.74
DOI: 10.34641/TM.2025.273.3.014
Leushin I. O., Vakhidov U. Sh., Koshelev O. S., Ryabova L. I., Gorokhov D. A. — Vacuum impregnation unit for cast blanks of critical machine parts

The article presents an original vacuum impregnation unit for cast blanks of critical machine parts with polymer compositions, which ensures the stability and controllability of the operation, a high degree of casting tightness, and, as a result, the service life of finished products.
Keywords: critical part, casting, defect, porosity, impregnation, unit, vacuum, polymer composition, sealant

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.941.1
DOI: 10.34641/TM.2025.273.3.015
Deshevykh D. V., Kozlovsky V. P., Permyakov D. S., Absatarov I. R., Kisel A. G. — Investigation of the dependence of the friction coefficient in the cutting zone on machining modes when turning a D16 alloy workpiece

The article considers the influence of cutting mode parameters on the friction coefficient arising in the machining zone when turning a workpiece made of D16 aluminum alloy. The purpose of this work was to study the dependence of the friction coefficient in the cutting zone on the parameters of the machining mode.
Keywords: D16 alloy, machining, friction coefficient, turning, cutting modes

UDC 621.98; 539.375
DOI: 10.34641/TM.2025.273.3.016
Chernyaev A. V., Chudin V. N. — Isothermal upsetting of a ring blank under viscoplastic deformation

Relationships for calculating the technology modes of isothermal upsetting of a ring blank, ensuring the quality and reliability of product operation, are proposed. Calculation results are presented.
Keywords: viscoplasticity, velocity field, power, speed, pressure, material damageability

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 621.791.92.042
DOI: 10.34641/TM.2025.273.3.017
Malinov L. S., Malinov V. L., Lavrova E. V., Tsys E. A. — Wear resistance of low-carbon medium-manganese deposited metal of various compositions having a multiphase structure with metastable austenite

The prospects of using low-carbon medium-manganese surfacing materials in industry are shown. The possibility of increasing the wear resistance of metal deposited by them of various compositions by obtaining a multiphase structure, in which, along with other constituents, metastable austenite is present, has been established. This ensures the implementation of dynamic deformation martensitic transformation under loading (self-quenching effect under loading).
Keywords: deposited metal, multiphase structure, martensite, secondary metastable austenite, self-quenching effect

UDC 621.762:546.54:537.62
DOI: 10.34641/TM.2025.273.3.018
Gasanov B. G., Getto E. R., Mikhailov V. V. — Technological features of producing soft magnetic composite materials from atomized iron powders coated with potassium silicate and organosilicon varnish

The efficiency of using inorganic coatings based on potassium silicate and organosilicon varnish as a dielectric in the production of soft magnetic composite materials from atomized iron powders is substantiated. The paper presents technological solutions that made it possible to select certain dielectric materials as charge components of soft magnetic composite materials when using atomized iron powders, in order to obtain products with specified magnetic properties, for example, a magnetic core of a relay protection current transformer.
Keywords: soft magnetic composite material, dielectric, coating, potassium silicate, organosilicon varnish, mechanical activation, particle morphology, magnetic properties

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 812.35.15.01
DOI: 10.34641/TM.2025.273.3.019
Pavlov A. A., Amezhnov A. V., Utkin I. Yu., Kartunov A. D. — Features of the kinetics of austenite decomposition in the overheating zone of niobium-microalloyed pipe steels

In this study, welding processes were simulated on a dilatometer for the overheating zone of low-carbon low-alloy steels at cooling rates characteristic of various welding methods.
Keywords: kinetics of phase transformations of austenite, niobium, overheating zone of a welded joint, hardness

UDC 621.791
DOI: 10.34641/TM.2025.273.3.020
Latypov R. A., Starovoitov D. K., Latypova G. R. — Comparative characteristics of welds obtained by laser and electric arc welding of EK-61 alloy manufactured by 3D printing and by the traditional method

The physical and mechanical properties of welds obtained by laser and argon-arc welding of EK-61 alloy manufactured by 3D printing and by the traditional method are presented. The results of metallographic studies of such joints are given.
Keywords: heat-resistant nickel alloys, direct laser deposition, laser welding, weld, physical and mechanical properties, welded joint structure

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 621.778.27
DOI: 10.34641/TM.2025.273.3.021
Ulyanov S. A., Ivantsov A. B. — Competitive processes in the production of automotive suspension springs

The paper analyzes the state and development trends in the production of elastic suspension elements. The organization of the work of several leading manufacturers of automotive suspension springs is considered. Due to the relevance of import substitution of suspension springs, a number of Russian enterprises actively developing the production of these products are listed.
Keywords: spring, suspension spring, automotive suspension, spring manufacturers, competitiveness, hardened and tempered wire, mechanical properties, mandrelless coiling

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

TECHNOLOGIES AND MACHINES

UDC 621.7.06
DOI: 10.34641/TM.2025.272.2.005
Lutyanov A. V. — Features of compressed air flow in bearings with aerostatic supports

The article considers the issue of modeling cylindrical supports during their operation in compressed air conditions, which becomes the basis for calculating the rigidity of the technological system when operating under pressure differential conditions in the technological system.
Keywords: cylindrical aerostatic supports, dynamic viscosity parameters, compressed air pressure, gradient

TECHNOLOGY AND EQUIPMENT FOR MECHANICAL AND PHYSICO-TECHNICAL PROCESSING

UDC 621.8
DOI: 10.34641/TM.2025.272.2.006
Antonov A. A., Kokoreva O. G. — Analysis of technological capabilities of static-pulse processing

The mechanism of formation of operational properties of machine parts depending on the quality parameters of the surface layer is presented. The possibility of choosing rational modes of surface hardening in accordance with the required quality characteristics is considered. Technological capabilities of finishing treatment of the surface of machine parts are proposed.
Keywords: operational properties of machine parts, hardening treatment, surface layer quality characteristics, serviceability, hardening modes, wear resistance, hardness, static-pulse processing, technological capabilities, surface plastic deformation, hardening depth, residual stresses

PHYSICAL METALLURGY AND HEAT TREATMENT

UDC 669.15'.74.194-15.669.17
DOI: 10.34641/TM.2025.272.2.007
Lavrova E. V., Malinov V. L., Malinov L. S., Tsys E. A., Turovnik B. A. — Modeling of differentiated treatment with a highly concentrated heating source

Differentiated treatment technologies using highly concentrated heating sources, which create gradients of structural-phase states on the alloy surface with alternating hard (hardened) and soft areas, ensure resource and energy saving. Simulation modeling opens up the possibility of controlling gradients of structural-phase states to optimize the structure, stresses, and improve the operational properties of machine parts and tools.
Keywords: gradient of structural-phase state, simulation modeling, finite element method, differentiated treatment technology, hardness, pearlite, austenite, martensite

UDC 621.727.55:620.178.16
DOI: 10.34641/TM.2025.272.2.008
Nefediev S. P., Emelyushin A. N., Grigorenko E. D. — Structure and properties of nitrogen-alloyed plasma-powder coating R6M5

The influence of nitrogen alloying on the properties of R6M5 alloy coatings applied by plasma-powder surfacing is studied. The results of the study demonstrate the positive effect of nitrogen on increasing wear resistance.
Keywords: plasma-powder surfacing, nitrogen alloying, wear resistance, microstructure, surfacing modes

WELDING, RELATED PROCESSES AND TECHNOLOGIES

UDC 621.791
DOI: 10.34641/TM.2025.272.2.009
Doroshenko F. E., Dobrynin A. V. — Kinetics of slag cavity formation in submerged arc welding

The analysis of the causes of slag cavity formation in welds during submerged arc welding is given. The causes of initiation, growth, and closure of slag cavities in the weld pool have been experimentally established.
Keywords: submerged arc welding without edge preparation, slag cavities, transverse shrinkage, liquid slag layer

UDC 691:721.75
DOI: 10.34641/SP.2025.1070.1.007
Feofanov A. N., Ovchinnikov V. V., Smirnov S. V. — Improving the quality of double-sided needle fasteners made of titanium alloys for fixing parts made of composite materials

The features of joint formation during resistance spot welding of double-sided needle fasteners for connecting two parts made of non-metallic composite materials in a structure are studied. It is shown that in double-sided fastener joints between the needle and the plate, the formation of a permanent joint is possible due to the diffusion bonding of the metal of the welded parts.
Keywords: double-sided needle fastener, resistance welding, needle, plate, titanium alloys, welding current, pulse duration, mechanical properties of joints

METHODS AND INSTRUMENTS FOR CONTROL AND DIAGNOSTICS OF MATERIALS AND PRODUCTS

UDC 531.768
DOI: 10.34641/TM.2025.272.2.010
Ismagilov F. R., Yangirov I. F., Fedosov E. M., Kabirov A. M., Khalikov A. R. — Universal clamp-on electromagnetic transducer for monitoring the strength characteristics of equipment parts

An improved design of a universal clamp-on electromagnetic transducer is presented, demonstrating improved strength indicators and operational characteristics. The use of a material with high magnetic permeability and low losses significantly increases efficiency.
Keywords: factors, U-shaped magnetic cores, sensitivity, magnetoelectric, ferromagnetic, permanent magnet

AUTOMATION AND CONTROL OF TECHNOLOGICAL PROCESSES AND PRODUCTIONS

UDC 629.7.004
DOI: 10.34641/TM.2025.272.2.011
Dolzhansky Yu. M., Makarov A. S., Semenov V. V. — Information passports as an element of artificial intelligence of advanced information-analytical systems

The initial data for the development of information-analytical systems and the prospects for their use in multidimensional IT-systems with elements of artificial intelligence are discussed.
Keywords: information passport, technology, special production equipment, database, information-analytical system, artificial intelligence

PRODUCT QUALITY MANAGEMENT. STANDARDIZATION. ORGANIZATION OF PRODUCTION

UDC 621.713 + 621.9
DOI: 10.34641/TM.2025.272.2.012
Aleksandrov I. A., Krasovsky D. S., Mikhailov M. S. — Automation of tolerance setting when calculating the dimensional setup of multi-nomenclature production systems

The analysis of the calculation features and calculation models for assessing the current setup dimensions and optimal tolerances when performing setups, adjustments, and changeovers during the transition of production to new types of products with automated movement of machine components to specified positions, in accordance with new requirements imposed on manufactured products and the production environment, is presented.
Keywords: automation, tolerances, setup, parts machining, accuracy, labor costs

INFORMATION

Rosmould & 3D-TECH 2025

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"

ISSN 1562-322X

Journal "Tekhnologiya Mashinostroeniya"