12 articles in this issue
Nelli Ismailova,Valentyn Bogach,Borys Lebedev
This paper reports a technique for constructing a geometric shape of the surface of contact between the interacting conjugated machine elements using computer technology. A subprogram has been developed in the MATLAB software package.The comprehensive sol... see more
Svyatoslav Kravets,Vladimir Suponyev,Aleksej Goponov,Serhii Kovalevskyi,Andrii Koval
The presented results of scientific research are aimed at increasing the efficiency of trenching for laying the utility lines using new less energy-consuming technologies of excavating the soil with the working equipment of multi-scraper excavators.The pr... see more
Mykhailo Piven,Aleksandr Spolnik,Tatiana Sychova,Alona Piven
The influence of the side walls of a vibratory sieve on the motion of a loose mixture flow has been investigated. The regularities have been established of the flow motion parameters on the walls’ height, the resistance of their surfaces, the length and d... see more
Kateryna Deineka,Yuriy Naumenko
The influence of the content of crushed material in the intra-chamber grinding fill on the efficiency of the self-oscillatory grinding process in the tumbling mill was assessed.A dynamic effect of a significant decrease in self-oscillatory action of the t... see more
Vitalii Kalchenko,Volodymyr Kalchenko,Natalia Sira,Olga Kalchenko,Volodymyr Vynnyk,Dmytro Kalchenko,Volodymyr Morochko
Three-dimensional geometrical modeling of the processes of allowance removal and shaping of support necks and cams of camshafts when milling with crossed axes of the tool and part is proposed. Single-setup milling of camshafts, which are widely used in au... see more
Natalia Hrudkina,Leila Aliieva,Oleg Markov,Irina Marchenko,Alexander Shapoval,Payman Abhari,Mariia Kordenko
The simulation of the process of combined radial reverse extrusion of hollow parts with a flange has established two fundamentally different, in terms of the components of the kinematic modules, calculation schemes CDZ-1.i and CDZ-2.j, taking into conside... see more
V?l?dymyr Kudryavtsev,Borys Strigun,Volodymyr Shmyrov,Vasiliy Loginov
In order to maintain the competitive advantage of the medium short take-off and landing transport aircraft, the task must be solved of ensuring take-off and landing on the ground runways with a length of 600?800 m when installing a turbojet engine.Wh... see more
Serik Mashekov,Adilzhan Eleuovich Nurtazayev,Aigerim Mashekova,Yerik Nugman,Ulan Angarbekov
This paper proposes a radial-shear mill (RSM) of a new design, which allows by rolling or rolling and pressing operations obtaining high-quality rods and wires. In addition, it proposes the method of computer calculation of the energy-power parameters of ... see more
Fazil Veliev
The article describes a study of the dynamics of interacting between loosening roller spikes and particles of raw cotton as well as the conditions for the raw cotton particles’ bundling. The process of movement of raw cotton particles was considered on th... see more
Oleksandr Paliukh,Petro Kyrychok,Ruslan Trishchuk,Maxym Korobka,Yevhenii Dziadyk
An experimentally determined list of the required and sufficient technological operations to produce semi-hard book covers has been proposed, with the calculated contour and structural design, which implies strict tolerances in the deviations from a recta... see more
Olena Pinchevska,Yurii Lakyda,Olha Baranova,Mykhailo Biletskyi,Valentin Holovach,Rostyslav Oliinyk,Andrii Yeroshenko
This study has confirmed the possibilities of using logging waste for the production of wood-composite material. The raw material for its manufacturing is the wood weaving made by flattening branches. An experimental study into the physical, mechanical, a... see more