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
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