Technology for studying the destruction of structural materials under different loading conditions

2021 ◽  
Author(s):  
German Pachurin
Keyword(s):  
Mechanical Engineering ◽  
Elevated Temperatures ◽  
Materials Science ◽  
Machine Building ◽  
Operating Conditions ◽  
Federal State ◽  
Full Time ◽  
Loading Conditions ◽  
Technological Support ◽  
Technological Processes

The textbook is devoted to solving topical issues related to the prediction of the effect of plastic deformation on the behavior in various operating conditions of a wide class of metals and alloys. The technology developed by the author for studying the mechanical properties and the process of destruction of plastically treated metal materials under various loading conditions (static at different temperatures, cyclic in air at low, room and elevated temperatures, as well as at room temperature in the presence of a corrosive environment) is described. Meets the requirements of the federal state educational standards of higher education of the latest generation. Addressed to bachelors and undergraduates of higher educational institutions of full-time and part-time education in the areas of training 20.03.01 Technosphere safety" (training profile "Safety of technological processes and production"), 22.03.01 and 22.04.01 "Materials Science and Materials Technology", 22.03.02 and 22.04.02 "Metallurgy", 15.03.01 and 15.04.01 "Mechanical Engineering", 15.05.01 "Design of technological machines and complexes", 15.03.02 "Technological machines and equipment", 15.03.04 and 15.04.04 "Automation of technological processes and production", 17.05.02 "Strelkovo-pushechnoe, artillery and rocket weapons", 15.03.05 "Design and technological support of machine-building industries". It can be useful for scientific and engineering workers of enterprises of automotive, aviation, shipbuilding and other metalworking branches of mechanical engineering, laboratory workers, as well as for training specialists in materials science, metal science and metal forming."

Automation of productions

2018 ◽  
Author(s):  
Михаил Чепчуров ◽  
Mihail Chepchurov ◽  
Борис Четвериков ◽  
Boris Chetverikov
Keyword(s):  
Control Systems ◽  
Mechanical Engineering ◽  
Machine Building ◽  
Comparative Assessment ◽  
Federal State ◽  
Educational Standards ◽  
Technological Support ◽  
Modern Equipment ◽  
Automated Production ◽  
State Educational

The questions of automation in the field of mechanical engineering, design for automated engineering, development of technological processes of automated production, transporting and orienting devices, modern equipment used in automated production, as well as control systems. In a separate Chapter the technique of a comparative assessment of economic efficiency of introduction of automation is resulted. Meets the requirements of the Federal state educational standards of higher education of the last generation. The textbook is recommended for students of 15.03.01 "mechanical engineering" and 15.03.05 "Design and technological support of machine-building industries", studying the discipline "automation of production processes".

The usage prospects investigation of the software environments for simulation modeling at the development and optimization of the machine-building production

2021 ◽  
Author(s):  
Keyword(s):  
Simulation Modeling ◽  
Mechanical Engineering ◽  
Machine Building ◽  
Simulation Software ◽  
Metals And Alloys ◽  
Point Of View ◽  
Deformation Processing ◽  
Technological Processes ◽  
Modeling Methods ◽  
Adequate Analysis

The investigation results of the applied simulation modeling programs market from the point of view of the usage possibility and expediency at the development or optimization of technological processes on domestic machinebuilding enterprises are presented. The analysis of the technological processes features in machine-building, and in particular aircraft construction, at domestic enterprises is carried out. The production features of the metalconsuming products and semi-finished products from the point of view these processes simulation expediency are considered. The expediency of carrying out simulation modeling of machine-building production, which provides adequate analysis results at minimal costs in comparison with other modeling methods are shown. The main criteria for choosing of specific simulation software are given. Keywords mechanical engineering technologies; metal-intensive production; aircraft construction; deformation processing of metals and alloys; foundry; equipment productivity; optimal stocks of semi-finished products; insurance stocks; simulation modeling; visualiz

Materials science in machine tool industry

2018 ◽  
Author(s):  
Анатолий Адаскин ◽  
Anatoliy Adaskin
Keyword(s):  
Machine Tool ◽  
Materials Science ◽  
Rolling Friction ◽  
Machine Building ◽  
Operating Conditions ◽  
Main Task ◽  
Processing Technologies ◽  
Machine Tool Industry ◽  
Design Engineers ◽  
Machine Parts

The textbook defines the main task of materials science in the machine tool industry-is the choice of materials and technologies that determine the accuracy of the machine. Structural materials for the manufacture of machine parts, materials of cutting, auxiliary tools and parts of devices are considered. These are the materials of parts of the system "machine-tool-tool-part" - AIDS system, which determines the rigidity of the machine and the accuracy of processing. Possible causes and mechanisms of loss of accuracy and efficiency of the machine are shown: wear and spontaneous change in the size of parts over time, fatigue failure. The principles and recommendations of the choice of materials of steel and cast iron metal – intensive parts and parts of the counter-bodies of sliding and rolling friction pairs, as well as reinforcing and stabilizing processing technologies that ensure the preservation of long-term accuracy of the machine are given. The Appendix contains recommendations on the selection of tool materials for different operating conditions of mills and tools; materials of friction pairs; routing technology for manufacturing precision machine parts. The textbook is intended for bachelors and masters studying in the specialties 15.00 "mechanical engineering", 22.00 "technology of materials" can be used in the training of graduate students of machine – building specialties and to improve the skills of design engineers and technologists of machine-building plants, primarily machine-tool enterprises.

Development of technological processes in mechanical engineering

2021 ◽  
Author(s):  
Anatoliy Pogonin ◽  
Ivan Shrubchenko ◽  
Aleksandr Afanas'ev
Keyword(s):  
Mechanical Engineering ◽  
Full Time ◽  
Mechanical Processing ◽  
Technological Design ◽  
Technological Processes ◽  
General Methodology ◽  
Part Time ◽  
Specific Implementation

The textbook provides the main stages, sequence and general methodology for the development of technological processes of mechanical processing of parts and assembly of mechanical engineering products. In the main sections, after the presentation of the elements of the theory, students are assigned project tasks. Many sections are accompanied by examples of their specific implementation. It is compiled to help students of engineering specialties of full - time and part-time education, mastering the methodology of technological design and performing course and diploma projects and works.

Automation of technological processes and production. Introduction to the specialty

2021 ◽  
Author(s):  
Vitaliy Vinogradov ◽  
Aleksandr Cherepahin
Keyword(s):  
Mechanical Engineering ◽  
Bachelor's Degree ◽  
Educational Institutions ◽  
Federal State ◽  
Educational Standards ◽  
Original Design ◽  
Technological Processes ◽  
Automation Equipment ◽  
State Educational ◽  
Production Automation

The textbook considers the stages of development of technology, mechanical engineering and production automation as the basis for designing technological machines and complexes. Examples of original design solutions for automation equipment and, in general, for modern technological complexes in mechanical engineering are given. Meets the requirements of the latest generation of federal state educational standards. It is intended for students of higher educational institutions studying in the bachelor's degree program 15.03.04 "Automation of technological processes and production".

scholarly journals TASKS OF TECHNOLOGICAL SUPPORT OF THE AUTOMATED RING ROLLING COMPLEX

2021 ◽  
Vol 2 (55) ◽  
pp. 42-53
Author(s):  
V.E. Antonyuk ◽  
◽  
S.G. Sandomirski ◽  
V.V. Rudii ◽  
◽  
...  
Keyword(s):  
Materials Science ◽  
Maximum Load ◽  
Ring Rolling ◽  
Technical Solution ◽  
Efficient Operation ◽  
Technological Support ◽  
Automated Production ◽  
Technological Processes ◽  
Axial Forces ◽  
Automated Line

The physical foundations and advantages of ring rolling are described. The materials science and technological processes of manufacture of products with its use are generalized. An analysis of the equipment of an automated ring rolling line was carried out, which showed that it is a complex and expensive technical solution. Moreover, the organization of the line with maximum load and efficiency is not included in the supplier’s tasks. The requirements for the maximum load of the line and its efficient operation have been determined. It is shown that the use of the experience of creating automated production of railway wheels when creating an automated production of ring blanks is impossible due to the need to ensure the production of rings of different structural shapes from different steel grades with different temperature ranges of plastic deformation and with different (from a hundred to several thousands) annual production programs. This requires the use of a different ratio of the radial and axial forces of the ring rolling, different technological equipment, taking into account different stiffness of the rings and their tendency to deformations during processing, transportation and cooling, a special development of mechanization means for readjustments. It is impossible to work out in advance all the technological options for the production of rings of different standard sizes on an automated line. In this regard, for the effective work of the complex, it is necessary to develop technological support and software for the manufacturing processes of each ring, to provide for the possibility of adjusting technological processes directly on the automated line with the participation of operators. On this basis, the tasks of technological support for the operation of the automated ring rolling complex at the OJSC “BELAZ” were formulated.

Materials science and technology of metallic, non-metallic and composite materials

2021 ◽  
Author(s):  
Anatoliy Adaskin ◽  
Aleksandr Krasnovskiy ◽  
Tat'yana Tarasova
Keyword(s):  
Composite Materials ◽  
Materials Science ◽  
Machine Building ◽  
Federal State ◽  
Metallic Materials ◽  
Ferrous Metals ◽  
Properties Of Materials ◽  
Metal Materials ◽  
State Educational ◽  
Metallic And Composite Materials

Book 1 of the textbook consists of two parts. Part I describes the structure of metallic, non-metallic, and composite materials. Technologies of production of metal materials are considered: metallurgical production of ferrous and non-ferrous metals; powder metallurgy; technologies of production of non-metallic materials: polymers, glass, graphite; technologies of production of composite materials, including semi-finished products-prepregs, premixes. Part II is devoted to methods for studying the properties of materials. Metal materials, technologies of their hardening by thermal, chemical-thermal treatment, and plastic deformation are considered. The features of organic and inorganic nonmetallic materials, as well as the possibility of changing their properties, are given. Composite materials are widely covered, and the areas of their rational application are shown. Revised chapter 14, which deals with intelligent materials. Meets the requirements of the federal state educational standards of higher education of the latest generation. For bachelors and undergraduates studying in groups of training areas 15.00.00 "Mechanical Engineering" and 22.00.00 "Materials Technologies". It can be used for training graduate students of engineering specialties, as well as for advanced training of engineering and technical workers of machine-building enterprises.

Materials science and technology of metallic, non-metallic and composite materials:the technology of manufacturing blanks and parts. Book 2

2021 ◽  
Author(s):  
Anatoliy Adaskin ◽  
Aleksandr Krasnovskiy ◽  
Tat'yana Tarasova
Keyword(s):  
Composite Materials ◽  
Graduate Students ◽  
Materials Science ◽  
Machine Building ◽  
Federal State ◽  
Metallic Materials ◽  
Educational Standards ◽  
Metal Materials ◽  
State Educational ◽  
Welding Pressure

Book 2 presents the technologies for manufacturing blanks and parts from metal materials: casting, welding, pressure treatment and cutting. The basics of electroplating technology are given. The technologies of manufacturing parts from non-metallic materials are considered: plastics, rubber, glass, as well as composite materials. The technologies combining the production of composite materials and parts from them are shown. The textbook is supplemented with two chapters reflecting the trends in the development of technology and technology (chapter 28 " Nanostructured materials. Features. Technologies for obtaining. Areas of application", chapter 29 "Additive manufacturing"). Meets the requirements of the federal state educational standards of higher education of the latest generation. For bachelors and undergraduates studying in enlarged groups of training areas 15.00.00 "Mechanical Engineering" and 22.00.00 "Materials Technologies". It can be used for training graduate students of machine-building specialties, as well as for advanced training of engineering and technical workers of machine-building enterprises.

scholarly journals THE METHOD OF SELECTING THE OPTIMAL LAYOUTS OF THE SIZE LIMIT DEVIATIONS DURING ASSEMBLY

2021 ◽  
Vol 445 (1) ◽  
pp. 144-150
Author(s):  
K. T. Sherov ◽  
D. E. Alikulov ◽  
M. R. Sikhimbayev ◽  
A. K. Sherov ◽  
B. N. Absadykov ◽  
...  
Keyword(s):  
Relative Position ◽  
Mechanical Engineering ◽  
Metal Cutting ◽  
Special Focus ◽  
Labor Intensity ◽  
Body Parts ◽  
Technological Support ◽  
Size Limit ◽  
Technological Processes ◽  
The Creation

The development of mechanical engineering in recent years has led to a special focus on the processing of functionally connected surfaces. In world practice, more attention is paid to the creation of methods, techniques, technological processes, tools, measures, etc., which would reduce the complexity of processing and assembling functionally connected surfaces (FCS) of details and connections. Currently, the connection between the dimensions and positions of surfaces is not standardized for all details. These details include body parts and frames that have V-shaped surfaces and associated planes. Apparently, this is due to the large variety of functionally connected surfaces and the complexity of controlling the technological support of dimensions. When coupling details of metal-cutting machines FCS, it is necessary to ensure simultaneous contact of two combined surfaces of the guides. This article provides a method for selecting the optimal layouts of the size limit deviations when assembling details with FCS. The influence of the location of the size limit deviations on the complexity of the fitting operation when assembling two combined surfaces of details is considered. Possible layouts of the size limit deviations are shown, as well as a diagram of the relative position of the two combined surfaces before the fit operation, depending on the values of the size limit deviations. Some recommendations are given for choosing the optimal layouts of the limit deviations of the dimensions of the adjacent planes: - the position of the adjacent planes depends on the size values and their deviations; - the position of the adjacent planes is significantly affected by the position of the size deviations of the connected planes; - depending on the location of the limit deviations of the size of the joints, the amount of removed allowance varies considerably and leads to a significant change in the labor intensity of the scraping process.

scholarly journals Determining quality of technologies taking into account main production and organizational measures

2020 ◽  
pp. 22-26
Author(s):  
E. M. Zimin ◽  
◽  
V. V. Martishkin ◽  
Keyword(s):  
Quality Indicators ◽  
Technological Process ◽  
Machine Building ◽  
Quality Level ◽  
Technical Documentation ◽  
Technological Support ◽  
Technological Processes ◽  
Main Production ◽  
Generalized Indicator

The article presents the list of singular indicators of technological support of technologies and the method of determining their actual values and their quality levels. According to the results of determining the quality level of technological processes, one of three management decisions can be made. The paper describes singular quality indicators that are directly related to the quality of technological processes in the machine-building industry, at the stage of design and preparation of technical documentation. And also presented are complex quality indicators, based on which determine the generalized indicator of quality of the evaluated technological process. As a result of the work the features of conformity assessment of technological processes and related mandatory requirements are formed. Also described is the process of obtaining a qualitative and quantitative assessment of the quality of the technological process with a detailed description of all necessary formulas

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