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Problems and Solutions
G. SAMODUROV, D. LAKHTYUKHOV
MACHINE-TOOL INDUSTRY OF RUSSIA IN 2020: NUMERICALLY DOI: 10.22184/2499-9407.2021.23.2.20.24
MACHINE-TOOL INDUSTRY OF RUSSIA IN 2020: NUMERICALLY DOI: 10.22184/2499-9407.2021.23.2.20.24
News
Materials Machine Tools
A. KUZNETSOV
TRENDS IN DEVELOPMENT AND EFFICIENT PRODUCTION OF MACHINES. PART 1. PHYSICAL BASIS OF PRODUCTION SYSTEMS DEVELOPMENT DOI: 10.22184/2499-9407.2021.23.2.40.48
The article considers main regularities of physical processes, which are the scientific basis for various types of materials processing in modern production conditions. From these positions, it analyses the achieved and potentially achievable values of such processing parameters as cutting speed and energy efficiency.
TRENDS IN DEVELOPMENT AND EFFICIENT PRODUCTION OF MACHINES. PART 1. PHYSICAL BASIS OF PRODUCTION SYSTEMS DEVELOPMENT DOI: 10.22184/2499-9407.2021.23.2.40.48
The article considers main regularities of physical processes, which are the scientific basis for various types of materials processing in modern production conditions. From these positions, it analyses the achieved and potentially achievable values of such processing parameters as cutting speed and energy efficiency.
Tags: energy efficiency energy of a physical process miniaturization of components plastic deformation rate production system миниатюризация компонентов производственная система скорость пластической деформации энергия физического процесса энергоэффективность
N. PODZOROV, O. OSIPOV
AUTOMATED ELECTRIC DRIVE OF TECHNOLOGICAL OBJECTS WITH ELECTRONIC SYNCHRONIZATION OF MECHANISMS’ MOVEMENT DOI: 10.22184/2499-9407.2021.23.2.52.55
Moving away from coupled kinematics and moving to a single coupled electric drive can improve productivity, reduce operator skill requirements, and achieve higher end product accuracy. The article considers decoupling of the kinematics of the 53A30 gear hobbing machine with the use of electronic synchronization of the tool and the workpiece. It also reviews a variant of electronic synchronization in hot stamping machines.
AUTOMATED ELECTRIC DRIVE OF TECHNOLOGICAL OBJECTS WITH ELECTRONIC SYNCHRONIZATION OF MECHANISMS’ MOVEMENT DOI: 10.22184/2499-9407.2021.23.2.52.55
Moving away from coupled kinematics and moving to a single coupled electric drive can improve productivity, reduce operator skill requirements, and achieve higher end product accuracy. The article considers decoupling of the kinematics of the 53A30 gear hobbing machine with the use of electronic synchronization of the tool and the workpiece. It also reviews a variant of electronic synchronization in hot stamping machines.
Tags: automated electric drive coupled kinematics decoupling of kinematic units synchronous movement автоматизированный электрический привод развязка кинематических узлов связанная кинематика синхронное движение
Materials processing technologies
A. SMIRNOV, Y. IVAKIN, V. TARASOVSKY, V. RYBALCHENKO, A. VASIN, A. KHOLODKOVA, S. NOVIKOV, V. STOLYAROV
COLD SINTERING IN THE PRESENCE OF AQUATIC ENVIRONMENT: MECHANISM AND APPLIED ASPECTS. OVERVIEW. PART 2 DOI: 10.22184/2499-9407.2021.23.2.58.71
An article presents a brief overview of the current state of research on a new process of consolidation of ceramic powders in an aqueous medium at temperatures below 500 ° C, known as the "cold sintering process". It discusses its key differences from traditional sintering, the main advantages and scientific problems of implementation in industrial production. The article describes the prospects for the development of a new process in the field of new energy design -efficient technologies for sintering ceramics and creating new types of composite materials based on a ceramic matrix.
COLD SINTERING IN THE PRESENCE OF AQUATIC ENVIRONMENT: MECHANISM AND APPLIED ASPECTS. OVERVIEW. PART 2 DOI: 10.22184/2499-9407.2021.23.2.58.71
An article presents a brief overview of the current state of research on a new process of consolidation of ceramic powders in an aqueous medium at temperatures below 500 ° C, known as the "cold sintering process". It discusses its key differences from traditional sintering, the main advantages and scientific problems of implementation in industrial production. The article describes the prospects for the development of a new process in the field of new energy design -efficient technologies for sintering ceramics and creating new types of composite materials based on a ceramic matrix.
Tags: ceramics cold sintering hydrothermal synthesis inorganic materials mass transfer mechanism mechanical-chemical effects oxide ceramics pre- and supercritical aqueous medium reaction sintering sintering sintering mechanisms гидротермальный синтез до- и сверхкритическая водная среда керамика механизм переноса массы механизмы спекания механически-химические эффекты неорганические материалы оксидная керамика реакционное спекание спекание холодное спекание
T. TEPLOVA
STUDY OF THERMAL PROCESSES DURING SURFACE TREATMENT OF HARD FRAGILE MINERALS IN THE QUASIPLASTIC MODE DOI: 10.22184/2499-9407.2021.23.2.74.80
The article considers the mechanism of interaction of grinding wheel grains with the processed surface of a hard brittle mineral. It presents the calculation of the temperature distribution in the sample, which is necessary for calculating the scale of its thermal expansion, is presented. The article describes experimental dependences of the temperature of individual sections of the sample during processing on the change in the cut-in feed and the speed of the table of the machine module.
STUDY OF THERMAL PROCESSES DURING SURFACE TREATMENT OF HARD FRAGILE MINERALS IN THE QUASIPLASTIC MODE DOI: 10.22184/2499-9407.2021.23.2.74.80
The article considers the mechanism of interaction of grinding wheel grains with the processed surface of a hard brittle mineral. It presents the calculation of the temperature distribution in the sample, which is necessary for calculating the scale of its thermal expansion, is presented. The article describes experimental dependences of the temperature of individual sections of the sample during processing on the change in the cut-in feed and the speed of the table of the machine module.
Tags: grinding hard brittle crystalline materials quasi-plasticity thermal fields thermal stresses квазипластичность твердые хрупкие кристаллические материалы тепловые поля термические напряжения шлифование
Tools and Tool Systems
A. MASLOV
MODULAR INSTRUMENTAL SETTINGS DOI: 10.22184/2499-9407.2021.23.2.86.92
The article briefly outlines principles of creating modular instrumental adjustments to ensure complex modular technologies in modern digital machine-building industries.
MODULAR INSTRUMENTAL SETTINGS DOI: 10.22184/2499-9407.2021.23.2.86.92
The article briefly outlines principles of creating modular instrumental adjustments to ensure complex modular technologies in modern digital machine-building industries.
Tags: equivalent elastic system of the machine modular technology modular tool setting mounting point technological system модульная инструментальная наладка модульная технология технологическая система узел крепления эквивалентная упругая система станка
Robotics and Mechatronics
V. SLEPTSOV, S. SKVORTSOV, A. ORLOV, N. KOVALEVA, A. ROMANOV, P. SHVETS
DEVELOPMENT OF ADJESTABLE ELECTRIC DRIVES FOR SPECIAL PURPOSE DOI: 10.22184/2499-9407.2021.23.2.98.102
The article deals with the analysis of the technical characteristics of electric drives with DC motors at the design stage.
DEVELOPMENT OF ADJESTABLE ELECTRIC DRIVES FOR SPECIAL PURPOSE DOI: 10.22184/2499-9407.2021.23.2.98.102
The article deals with the analysis of the technical characteristics of electric drives with DC motors at the design stage.
Tags: adjustable electric drive frequency bandwidth mathematical model speed control range диапазон регулирования скорости математическая модель полоса пропускания частот регулируемый электропривод
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