Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Roman Protasov"'
Publikováno v:
Journal of Mechanical Engineering (2450-5471); Nov2024, Vol. 74 Issue 2, p49-56, 8p
Publikováno v:
Journal of Mechanical Engineering, Vol 71, Iss 2, Pp 291-298 (2021)
The concept “structural strength of tool materials” got further development. The refusals of cemented carbide cutting plates, when heavy machining were analyzed. It was shown that 70…80% of refusals are the microchipping of cutting edges, tool
Externí odkaz:
https://doaj.org/article/761bc8cc8b2749718c443ee787bd42a7
Publikováno v:
Journal of Mechanical Engineering, Vol 71, Iss 2, Pp 213-220 (2021)
The structure of the MAK M43 diesel high pressure fuel pump driving is analyzed. It is shown that presence of redundant constraints in its mechanism is the reason of roller bearings failure. It is proposed redundant constraints elimination by adding
Externí odkaz:
https://doaj.org/article/a85508e1540448e5b37243e11d9795de
Publikováno v:
Lubricants, Vol 10, Iss 12, p 342 (2022)
Wear of TiAlCN coatings deposited on HCR (High Contact Ratio) gears was studied by the Niemann test during which the tested gears were loaded up to the 12th load stage. The resistance against scuffing was evaluated based on the criteria of allowable
Externí odkaz:
https://doaj.org/article/f111c01b39e84ddbbad3a718aa669e51
Autor:
Yuriy Kuleshkov, Mikhailo Chernovol, Sergii Mahopets, Oleh Bevz, Borys Vorontsov, Iryna Kyrychenko, Roman Protasov
Publikováno v:
Strojnícky časopis - Journal of Mechanical Engineering. 73:125-136
The article proposes a new technique for estimating the instantaneous supply in gear hydraulic machines. It takes into account the peculiarity of the movement of the radius connecting the centers of rotation of the gears with the point of engagement.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf030bbcca341ad768925a691692c9dd
https://doi.org/10.2478/scjme-2023-0010
https://doi.org/10.2478/scjme-2023-0010
Publikováno v:
Strojnícky časopis - Journal of Mechanical Engineering. 73:137-146
An analytical method for calculation of local stresses in double-sided butt welded joints at misalignment of welds’ axes is developed. The method is applicable for welded thin-gauge plates with different geometry of welds on the face and root sides
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c819beb5cd185641b05c1a885460a8d8
https://doi.org/10.2478/scjme-2023-0011
https://doi.org/10.2478/scjme-2023-0011
Autor:
Oleksiy Bondarenko, Oleksandr Ustynenko, Roman Protasov, Illia Klochkov, Borys Vorontsov Borys, Mykola Matyushenko, Pavlo Kalinin
Publikováno v:
Bulletin of the National Technical University «KhPI» Series: Engineering and CAD. :6-16
Modern trends in the optimal and rational design of technical objects cross a large number of directions of their implementation. One of the interesting and promising directions is genetic and evolutionary algorithms (GА and EA). Authors promote the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afb969f4e9f75020c441fa00f4b53a27
https://doi.org/10.20998/2079-0775.2022.2.01
https://doi.org/10.20998/2079-0775.2022.2.01
Autor:
Oleksandr Ustynenko, Stanislav Cherelev, Miroslav Bošanský, Roman Protasov, Oleksiy Bondarenko, Nikita Levin
Publikováno v:
Bulletin of the National Technical University «KhPI» Series: Engineering and CAD. :136-141
Reducing the mass and dimensions of involute spur gears is an actual task of modern mechanical engineering. One of the perspective ways to solve it is the use of gearing with an increased working tooth depth and profile contact ratio εα ≥ 2. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e998193bd43183b44b07787f79c8d996
https://doi.org/10.20998/2079-0775.2022.2.12
https://doi.org/10.20998/2079-0775.2022.2.12
Publikováno v:
Strojnícky časopis - Journal of Mechanical Engineering. 72:149-160
The structure of steering gear’s HATLAPA mechanism is analyzed. It is shown that presence of redundant constraints in it increases laboriousness of gear montage and respectively worsen maintainability. On the basis of provided analysis developed me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79a6d0f04250b73ee24d0254b3f1c0ee
https://doi.org/10.2478/scjme-2022-0025
https://doi.org/10.2478/scjme-2022-0025
Autor:
Pavlo Tkach, Olga Reviakina, Anatolii Kryvosheia, Volodymyr Melnyk, Oleksandr Ustynenko, Roman Protasov
Publikováno v:
Strojnícky časopis - Journal of Mechanical Engineering. 72:201-210
A mathematical model of profile shifted quasi-involute arc-tooth-trace gears is obtained. The model includes functional relationships between the geometric-kinematic meshing characteristics and parameters of the generating surface as well as conditio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5737413a3ee4992ed82c9fab003d0442
https://doi.org/10.2478/scjme-2022-0029
https://doi.org/10.2478/scjme-2022-0029