Dnipro University of Technology — Compliance with the Time
ABOUT APPLICATION OF HIGH-CLASS MECHANISMS OF CRUSHING MACHINES
Serhii Shatov1 Irina Matsyuk2, Eduard Shlyakhov3 1Ph.D., Dr., professor, Department Construction and Road-Building Machines, State Higher Education Establishment “Prydniprovs’ka State Academy of Civil Engineering and Architecture”, Dnipro, Ukraine, e-mail: shatov.sv@ukr.net 2Ph.D., Associate Professor of the Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: matsyukin@ua.fm 3Associate Professor, Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: shlyahove@nmu.org.ua
Abstract. The paper considers the results of a study of the use of high-class mechanisms in heavy-duty crushing machines.
Key words: crushing, jaw crusher, lever mechanism, gripping angle, Mathcad, complex movement of cheeks. METHODS OF DETERMINING THE TIME OF THE MATERIAL CONTACT WITH THE WORKING SURFACE IN THE VIBRATING JAW CRUSHER WITH AN INCLINED CRUSHING CHAMBER
O.V. Fedoskina Ph.D., Associate Professor of the Department of Engineering, Technical Aesthetics and Design, Dnipro University of Technology, Dnipro, Ukraine, e‐mail: fedoskina.ev@gmail.com
Abstract. The paper analyzes the experimental methods for determining the contact time of the working surface of the cheek with the material in a single impact.
Key words: crusher, crushing chamber, oscillogram, method, sensor, elastic elements. INCREASING THE DURABILITY OF THE SCRAPER CONVEYOR BEARING UNITS OF THE HYPERBARFILTER
Kirill Ziborov1, Aline Gorohva2 1Ph.D., Head of Engineering and Generative Design Departmant, Dnipro University of Technology, Dnipro, Ukraine, e-mail: ziborov.k.a@nmu.one 2Student, Dnipro University of Technology, Dnipro, Ukraine, e-mail: Horokhova.A.R@nmu.one
Abstract. The analysis of the operation of the bearing units of the scraper conveyor in an aggressive environment at the concentrator is performed.
Keywords: coal, concentrator, hyperbarfilter, bearings, scraper conveyor, wear, corrosion, computer model, seals.
POWDER ANTIFRICATION MATERIALS
V.E. Olishevska1, H.S. Olishevskiy2 1Ph.D., Associate Professor of Automobiles and Automobile Economy Department, Dnipro University of Technology, Dnipro, Ukraine, e-mail: olishevska_v@ukr.net 2Ph.D., Associate Professor of Power Engineering Department, Dnipro University of Technology, Dnipro, Ukraine, e-mail: olishevskiyg@ukr.net
Abstract. The chemical composition, microstructure, physical-mechanical and tribological properties of powder antifriction materials: iron - graphite, iron - copper, iron - copper - graphite, iron - copper - graphite - phosphorus, bronze-based compositions, iron - graphite – molybdenum, are described in the article. Features of friction of powder antifriction materials are considered. Marking and rational areas of use of powder antifriction materials are given. The article content facilitates the perception of the material, reduces the time for acquaintance and increases the integral competence of students in the conditions of distance scientific and educational process.
Keywords: powder antifriction materials, physical and mechanical properties, tribological properties, operational properties, friction coefficient. ABOUT COMPUTER PROGRAMS FOR SIMPLIFIED STRENGTH AND STIFFNESS ANALYSIS OF I-BEAMS.
Yuri Kholodniak1, Kostikov Alexander2, Kaporovych Svitlana3 1Ph.D., Associate Professor, Head of Technical Mechanics Department, e-mail: holodnjak.juri@gmail.com 2Ph.D., Associate Professor of Manufacturing Processes and Automation Engineering Department, e-mail: alexkst63@gmail.com 3Ph.D., Senior Lecturer of Technical Mechanics Department, e-mail: kaporovych@gmail.com 1,2,3 Donbass State Engineering Academy, Kramatorsk, Ukraine
Abstract. An additional calculation unit has been developed for previously created computer programs for simplified calculation of the strength of statically determined I-beams. Advanced programs determine the support reactions of beams, plot transverse forces and bending moments, select the necessary I-beam numbers, as well as determine the desired displacements and plot their changes along the length of the beams. The introduction of these programs into the educational process will provide students with new opportunities to develop their professional skills. The developed programs will also be useful for practitioners in solving real technical problems.
Keywords: I-beams, strength, displacement, simplified calculations, Mathcad, computer programs. ANALYSIS OF THE EFFICIENCY OF COMPREHENSIVE RESOURCE SAVING TECHNOLOGY FOR IMPROVING THE QUALITY OF SECONDARY FOUNDRY ALUMINUM ALLOYS WITH HIGH IRON CONTENT Yuri Dotsenko1, Vadim Seliverstov2 1Ph.D., Associate Professor of Design, Technical Aesthetics and Design. National Technical University "Dnipro Polytechnic", Dnipro, Ukraine, e-mail: yvd160574@gmail.com 2Ph.D., professor of the department of foundry production. National Metallurgical Academy of Ukraine, Dnipro, Ukraine, e-mail: seliverstovvy@gmail.com
Abstract. The paper analyzes the influence of complex technology on the properties of cylindrical castings from cast aluminum alloy AK7 with high iron content. The results of researches of mechanical properties are resulted.
Keywords: aluminum alloy, casting, modification, mechanical properties, crystallization. SELECTION AND CALCULATION OF THE REPLACEABLE MILLING HEAD MAIN PARAMETERS FOR THE SINGLE-BUCKED EXCAVATOR Maksym Balaka1, Dmytro Palamarchuk2, Anna Kim3 1Ph.D., Associate Professor of Building Machines, Department, e-mail: balaka.mm@knuba.edu.ua 2Ph.D., Associate Professor of Professional Education, Department, e-mail: palamarchuk.da@knuba.edu.ua 3Student of ILS-51 group, e-mail: kim_ao@knuba.edu.ua 1,2,3Kyiv National University of Construction and Architecture, Kyiv, Ukraine
Abstract. The selection and calculation of the designed milling head main parameters, which is used as a replaceable operating element for the single-bucked excavator, are considered in this paper. The milling head is driven by a built-in gear motor that combines all the advantages of planetary gears. The constructive and operational mass of the excavator with a replaceable milling head is determined.
Keywords: milling head, parameter, planetary gear, excavator. RESOURCE-SAVING TECHNOLOGIES OF MODIFICATION AND THE EFFECT OF PRESSURE DURING SOLIDIFICATION ON THE PROPERTIES OF CASTINGS FROM A CAST ALLOY SYSTEMS Al-SI
Yuri Dotsenko1, Vadim Seliverstov2 1Ph.D., Associate Professor of Design, Technical Aesthetics and Design. Dnipro University of Technology, Dnipro, Ukraine, e-mail: yvd160574@gmail.com 2Ph.D., Dr., professor of the department of foundry production. National Metallurgical Academy of Ukraine, Dnipro, Ukraine, e-mail: seliverstovvy@gmail.com
Abstract. The analysis of the current modifiers, which are used for processing of alloys of the system Al-Si and methods of influence on the crystallizing melt. Shown their advantages and disadvantages. Results of research of influence of an alternating gas-dynamic pressure and modifying the structure of metal castings of alloy A356.
Key words: modification, gas-dynamic effects, foundry alloy, casting, technology, and mechanical properties. ADAPTIVE EQUIPMENT FOR OPENING OF UNDERGROUND PIPELINES
Sergiy Lysak1, Vladislav Repin2 1Master, teacher of special disciplines, e-mail: sergej-lysak@ukr.net 2Master, teacher of special disciplines, e-mail: repin0287@gmail.com 1,2 Mykolayiv building college KNUCA, Mykolayiv, Ukraine
Abstract. The relevance and technical aspects of the development of adaptive working equipment of the machine for opening underground pipelines used during their overhaul are considered in the work. Approaches to the mathematical calculation of the optimal basic parameters of the machine are given.
Keywords: repair, pipeline, trench, ground, bucket. INCREASING THE DENSITY OF BEARING ASSEMBLIES IN BELT FILTER PRESSES
Yegor Bolohin1, Irina Matsyuk2 1student, Dnipro University of Technology, Dnipro, Ukraine, e-mail: 99egor94@gmail.com 2Ph.D., Associate Professor of the Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: matsiuk.i.m@nmu.one
Abstract. In the work, the analysis of the operation of the belt filter press at high motor speed and the operating conditions of the bearings is carried out. The reasons for the rapid wear of bearings and the installation of a sleeve or bearings with an external seal as a solution to the problem are considered.
Keywords: filter press, bearing, external seal. BASIC MATERIALS CHARACTERISTICS ANALYSIS FOR 3D PROTOTYPING FOR EDUCATIONAL PURPOSES
Vladislav Vyshnevetskyi 1, Irina Matsyuk2, Оleksander Tverdokhlib 3 1Student, Dnipro University of Technology, Dnipro, Ukraine, e-mail: vyshnevetskyi.vv@nmu.one 2Ph.D., Associate Professor of the Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: matsyukin@ua.fm 3Senior lecturer of the Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: tverdokhlib.o.m@nmu.one
Abstract. Theoretical researches of materials for 3D printing and prototyping for studying of additive technologies of production are carried out in the work.
Keywords: additive technologies, prototyping, 3D printing, 3D printer, materials for 3D printing, ABS plastic, PLA plastic. RESEARCH OF PARAMETERS OF SURFACE HARDNESS AND THERMAL SHRINKAGE OF PRODUCTS FROM PLA AT THEIR MANUFACTURING BY A METHOD OF 3D PRINTING
Nataliia Rott1, Viktoriia Dytiuk2, Oleksii Myrnyi3 1 Ph.D., associated professor, Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, , E-mail: Rott.N.O@nmu.one 2Assistant, Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, E-mail: Dytiuk.V.E@nmu.one 3Student of group 132-20sk-2, Dnipro University of Technology, Dnipro, Ukraine
Abstract. This article of surface hardness of the material and the effect of printing temperature on the heat shrinkage of PLA-plastic products in the temperature range 190 - 220°C.
Keywords: 3D printing, PLA plastic, heat shrinkage, surface hardness.
ABOUT THE SIZE OF THE GROUNDING DEVICE ON THE BOAT
Mikhail Pustovetov Ph.D., Engineer of Engineering Technology Department, Technological Institute (Branch) of Don State Technical University, Azov, Russia, e-mail: mgsn2006@yandex.ru
Abstract. Regulatory documents that should guide engineering and technical workers in the implementation of a technical solution contain directives, instructions or recommendations without a detailed explanation of the reasons and mechanisms for their formation. Nevertheless, the content of the normative documents has a technical, physical basis. The author offers explanations for the choice of the size of the grounding device on the boat, based on the calculation of the current spreading resistance of the sheet grounding conductor.
Keywords: small vessel, current-insulating hull, earthing device, system with insulated neutral. VEHICLES WITH AN ALTERNATIVE FUEL FORECAST AND IT DEVELOPMENT
V.V. Krivda Ph.D., Associate Professor of the Department of Automotive and Automotive Industry, Dnipro University of Technology, Dnipro, Ukraine, e-mail: vitaliy.krivda@gmail.com
Abstract. The paper provides an analysis of vehicles using alternative fuels, including vehicles operating in a complex on several types of fuel, hybrids, electric vehicles, cars on hydrogen fuel.
Keywords: car, vehicle, hybrid, alternative energy, fuel. TESTING THE BRAKE SYSTEM OF THE HYBRIDIZED VEHICLE ZAZ SENS
V.O. Fedoskin1, K.I. Kornilenko2, M.M. Yerisov3 1Ph.D., Associate Professor of the Department of Automobiles and Automobile Economy, Dnipro University of Technology, Dnipro, Ukraine, e‐mail: fedoskin_va@ukr.net 2Assistant, Department of Automobiles and Automobile Economy, Dnipro University of Technology, Dnepr, Ukraine, e‐mail: kornilenko.k@gmail.com 3Assistant, Department of Automobiles and Automobile Economy, Dnipro University of Technology, Dnepr, Ukraine, e‐mail: erisov@ukr.net
Abstract. The paper presents the results of experimental studies of the SENS vehicle brake system with a modernized rear beam and motor wheels installed on it. It is shown that with the developed constructive solution, the braking distance is within the permissible value.
Keywords: car, braking distance, motor-wheel, hybrid, rear beam, travel speed. GENERAL METHODS AND MODELS OF EV CHARGING STATIONS OPTIMAL LOCATIONS
A. Maliienko1, I. Lutsenko2, S. Fedoriachenko3 1Ph.D., Associate Professor of the Department of System Analysis and Control, Dnipro University of Technology, Dnipro, Ukraine e-mail: andrei.malienko@gmail.com 2Ph.D., Professor of the Power Engineering Department, Dnipro University of Technology, Dnipro, Ukraine e-mail: lutsenkoin@gmail.com 2 Ph.D., Department of Generative Design, Dnipro University of Technology, Dnipro, Ukraine e-mail: serg.fedoryachenko@gmail.com
Abstract. This paper presents the main methods of multiple set coverage for modeling and solving problems of optimal placement of charging stations of electric vehicles.
Keywords: charging station, mathematical model, optimization methods. INCREASE OF POPULATION TRANSPORT SERVICE ACCORDING TO EFFECTIVE SYSTEM FORMATION OF URBAN PASSENGER GROUND ELECTRIC TRANSPORT
Serhiy Cheberyachko1, Olena Tretyak2, Viktoriya Dotsenko3 1Ph.D., Dr., Professor of Department of Labour Protection and Civil Safety, Dnipro University of Technology, Dnipro, Ukraine; e-mail: sicheb@ukr.net 2Ph.D., Associate professor of Department of Transportation Management, Dnipro University of Technology, Dnipro, Ukraine, e-mail: elena.novikova.ut@ukr.net 3Student of group 275-19 ck-1, Dnipro University of Technology, Dnipro, Ukraine, e-mail: viktoriadocenko0@gmail.com
Abstract. The paper investigates measures aimed at improving the transport service of the city population by introducing into the system of urban land electric transport an effective vehicle - a modern tram based on integrated assessment of consumer, technical and economic, technical and operational, ergonomic and others. properties in the formation of a rational structure or modernization of the existing fleet of vehicles operated in large cities.
Keywords: tram, urban ground passenger transportation by electric transport, technical and operational properties, technical and economic properties, comfort, safety.
TECHNICAL CHARACTERISTICS OF PHOTOPOLYMER MATERIALS STUDY AND IT APPLICATION AT 3D PROTOTYPING TECHNOLOGIES COURSE
Anna Fartushna1, Irina Matsyuk2, Оleksander Tverdokhlib3 1Student, Dnipro University of Technology, Dnipro, Ukraine, e-mail: fartushnayaanna2018@gmail.com 2Ph.D., Associate Professor of the Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: matsyukin@ua.fm 3Senior lecturer of the Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: tverdokhlib.o.m@nmu.one
Abstract. Theoretical researches of photopolymer materials for 3D printing, technical characteristics and application of products in life are carried out in the work.
Keywords: prototyping, photopolymer materials, 3D printing, stereolithography, digital projector LED projection, 3D printing technology SLA. CLOUD SERVICES IN INDUSTRIAL DESIGN
Ilya Verner1, Viktoriia Dytiuk2, July Salomatina3 1,2Assistant, Department of Engineering and Generative Design, e-mail: ill3@ukr.net 3Student, e-mail: Salomatina.Y.V@nmu.one 1,2,3Dnipro University of Technology, Dnipro, Ukraine
Abstract. This article considers review of cloud technologies ways usage in industrial design. The results of the introduction of these technologies are presented on the example of training specialists of the mechanical and mechanical engineering faculty of the university. An overview of current graphic services has been performed, which expands the capabilities of information visualization.
Keywords: education, visualizer, cloud technologies, graphic services, design.
USE OF SPECIALIZED 3D-MODELING PROGRAMS IN ORDER TO IMPROVE THE QUALITY OF MASTERING OF GRAPHIC DISCIPLINES
Tamara Savelieva1, Dmytro Pustovoi2 1Ph.D., Associate Professor of Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: savelievats@gmail.com 2Ph.D., Associate Professor of Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: pustovoi.d.s@gmail.com
Abstract. Possibilities and prospects of training students of engineering and technical specialties using the modern computer technology are considered. It is shown that the training of specialists who are able to use CAD tools and solve specific problems of modern production, allows to intensify the educational process and increase the competitiveness of future professionals in the labor market.
Keywords: graphic disciplines, CAD, design activities, 3D modeling. APPLICATION OF VIDEO LESSONS IN TEACHING GRAPHIC DISCIPLINES TO THE STUDENTS OF ENGINEERING AND TECHNICAL SPECIALTIES
Dmytro Pustovoi1, Oleksii Myrnyi2 1Ph.D., Associate Professor of Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: pustovoi.d.s@gmail.com 2student, Dnipro University of Technology, Dnipro, Ukraine, e-mail: Myrnyi.O.O@nmu.one
Abstract. The article emphasizes the relevance of the introduction and discusses the advantages of teaching of the graphic disciplines using targeted video tutorials during the studying of the discipline "Engineering and computer graphics". The introduction of certain changes in the educational process of studying graphic disciplines is substantiated, taking into consideration the growing role of information and multimedia technologies in the educational process.
Keywords: videolesson, graphic disciplines, information and educational technologies, AutoCAD. STUDENTS WORKPLACE ORGANIZATION IN A MODERN ERGATIC SYSTEM AT DISTANCE LEARNING
Anna Fartushna1, Kirill Ziborov2, Tatiana Pismenkova3 1Student, Dnipro University of Technology, Dnipro, Ukraine, e-mail: fartushnayaanna2018@gmail.com 2Head of Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: ziborov.k.a@nmu.one 3Associate Professor of the Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: pismenkova.t.o@nmu.one
Abstract. Theoretical and practical researches of a student 's workplace at distance learning are carried out in the work.
Keywords: workplace, ergatic system, distance education. ERGONOMICS AS A NECESSARY COMPONENT OF TRAINING A MODERN TECHNICAL SPECIALIST
T. Lysncha1, K. Ziborov2, T. Pismenkova3 1Student, Dnipro University of Technology, Dnipro, Ukraine, e-mail: Lisnycha.T.Y@nmu.one 2Head of Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: ziborov.k.a@nmu.one 3Associate Professor of the Department of Engineering and Generative Design, Dnipro University of Technology, Dnipro, Ukraine, e-mail: pismenkova.t.o@nmu.one
Abstract. The paper substantiates the need to take into account the ergonomic performance of the system "man-machine-environment" when designing products. The stage of anthropometric research in the framework of training specialty 132 Materials Science students is demonstrated.
Keywords: ergonomic indicators, system "man-technique-environment", anthropometric researches. OVERCOMING THE ‘OFFICE SYNDROME’ BY ERGONOMICALLY DESIGNING SEATS
Y.V. Salomatina1, K.A. Ziborov2, T.O. Pismenkova3 1Student, Dnipro University of Technology, Dnipro, Ukraine, e-mail: Salomatina.Y.V@nmu.one 2Head of Engineering and Generative Design Department, Dnipro University of Technology, Dnipro, Ukraine, e-mail: ziborov.k.a@nmu.one 3Associate Professor of Engineering and Generative Design Department, Dnipro University of Technology, Dnipro, Ukraine, e-mail: pismenkova.t.o@nmu.one
Abstract. The issues of ergonomic requirements and anthropological research in the design of student seats are considered.
Keywords: ergonomic requirements, anthropological research, seats. |
© 2006-2024
Інформація про сайт