Effectiveness of structural–parametric synthesis of metal-cutting systems

Ivakhnenko, A. G.; Куц, В. В.; Erenkov, O. Yu.; Ivakhnenko, E. O.; Oleinik, A. V.

doi:10.3103/s1068798x17100112

Cited by 6 publications

(4 citation statements)

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“…Исполнительные движения гибридной металлообрабатывающей системы (ГМС) и необходимое количество их настраиваемых параметров определялись посредством применения структурно-кинематического синтеза механизмов металлорежущих станков [14,82,[84][85][86][87]. Основные положения структурного синтеза и компонетики рассматриваемых систем, приведенные в работах [14,82,[84][85][86][87][88][89][90][91][92][93][94][95][96], использовались для проведения исследований предполагаемого структурного состава и компоновки ГМС, в которой интегрированы поверхностно-термическая обработка и механические операции.…”

Section: методика экспериментального исследованияunclassified

Rationalization of modes of HFC hardening of working surfaces of a plug in the conditions of hybrid processing

Skeeba,

Vakhrushev,

Titova

et al. 2023

Metal Working and Material Science

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Introduction. The development of a cluster of hybrid metalworking systems in the machine tool industry is associated with a number of positive consequences. First, such systems help reduce production costs by optimizing the use of resources and energy. This is especially true in the face of increased competition and a trend towards savings. Secondly, hybrid systems enable the production of quality products with increased efficiency. By integrating various functions in one process equipment, metalworking processes become more efficient and precise. This reduces the amount of defective products and improves the quality of the final ones. In addition, hybrid metalworking systems have autonomous functionality, which is especially important in flexible engineering production, where rapid changeover and adaptation to various production tasks is required. Thus, hybrid metalworking systems represent an important step in the development of modern mechanical engineering, helping to reduce costs, increase efficiency and ensure high product quality. The purpose of this work is to increase efficiency and reduce energy consumption during surface-thermal hardening of machine parts through the use of concentrated energy sources under integral processing conditions. Theory and Methods. To achieve this purpose, studies were carried out on the possible structural composition and layout of hybrid equipment integrating mechanical and surface-thermal processes. When developing the theory and methods, the main provisions of the structural synthesis and components of metalworking systems were taken into account. Theoretical research is based on the application of system analysis, geometric theory of surface formation and design of metalworking machines. The experiments were carried out on a modernized multi-purpose machining center MS 032.06, equipped with an additional energy source, which was a microwave thyristor-type generator SHF-10 with an operating frequency of 440 kHz, which implements high-energy heating by high-frequency currents. Structural studies were carried out using optical and scanning microscopy. The stress-strain state of the surface layer of the part was evaluated by mechanical and X-ray methods for determining residual stresses. The microhardness of the hardened surface layer of the parts was evaluated on a Wolpert Group 402MVD instrument. Results and discussion. An original method for conducting structural-kinematic analysis for pre-project studies of hybrid metalworking equipment is presented. Methodological recommendations were developed for the modernization of metal-cutting machine tools, allowing high-energy heating with high-frequency currents (HEH HFC) on a standard machine tool system and creating high-tech technological equipment with enhanced functionality. It has been experimentally confirmed that the introduction of the proposed hybrid machine into production in combination with recommendations for the appointment of high-frequency electric power units for integral processing of punch-type parts allows increasing the productivity of surface hardening by 36–40 times and reducing energy costs by 6 times.

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Section: методика экспериментального исследованияunclassified

Rationalization of modes of HFC hardening of working surfaces of a plug in the conditions of hybrid processing

Skeeba,

Vakhrushev,

Titova

et al. 2023

Metal Working and Material Science

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“…It is necessary to make decisions in real time based on relevant data. This is possible with dynamic programming [6][7][8][9][10][11][12][13][14][15]. Finding the optimal solutions is as follows: let Yk be the set of states from which in k steps one can get into one of the states of the final set of states of the production system X N.…”

Section: Dynamic Programmingmentioning

confidence: 99%

Simulation System of Technological Support of Automated Complex

et al. 2019

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Mathematical modeling of technical and technological systems and processes occurring in these systems can be interpreted as multi-step processes of solving managerial problems, where the application of classical methods for obtaining numerical results is possible. In particular, it is practical to apply the theory of dynamic programming based on the use of functional equations and the optimality principle to solve the problem of resource allocation. In the formulation and solution of the dynamic programming problem, the process is divided into stages in time, and at each stage decisions at which the goal is achieved are made. In our case, homogeneous stages are considered, and the use of the optimality principle leads to the fact that a decision made at each stage is the best regarding the entire process..This work was carried out using equipment provided by the Center of Collective Use of MSUT "STANKIN".

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“…The IR data is used in robotic complexes for analyzing the accuracy of the operations performed, the accuracy of the positioning of the tool, the quality of operations, data of heating of cutting tools, the quality of welding of materials, wear of parts of mechanisms, etc. [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

“…The paper presents a mathematical solution and an algorithm for smoothing two-dimensional digital signals. The method is based on minimizing the objective function based on the criteria of the first-order finite difference between the rows and columns of the image, as a measure of distance, the square of the difference of the input value and its estimation is used [4][5][6][7][8][9]. To estimate the parameters of the method, a non-iterative algorithm for determining the parameters is used.…”

Section: Introductionmentioning

confidence: 99%

Solution of the Problem of Smoothing of the Signals at the Preprocessing of Thermal Images

et al. 2019

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Smoothing two-dimensional digital signals is important for a number of applications. The paper presents a mathematical method and an algorithm for smoothing two-dimensional digital signals. The method is based on minimizing the objective function using criteria of the first-order finite difference between the rows and columns of the image as a measure of distance. To estimate the parameters of the developed method, a non-iterative algorithm is used. The present study shows results of changing the smoothing filter core depending on variations in the method parameters.

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Effectiveness of structural–parametric synthesis of metal-cutting systems

Cited by 6 publications

References 0 publications

Rationalization of modes of HFC hardening of working surfaces of a plug in the conditions of hybrid processing

Rationalization of modes of HFC hardening of working surfaces of a plug in the conditions of hybrid processing

Simulation System of Technological Support of Automated Complex

Solution of the Problem of Smoothing of the Signals at the Preprocessing of Thermal Images

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