Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Pavlo Tkach"'
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
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
Effect of Load Eccentricity on Stress Condition of Butt Welded Joint with Asymmetrical Reinforcement
Publikováno v:
Strojnícky časopis - Journal of Mechanical Engineering. 72:99-108
An analytical method for determination of a stress condition of butt welded thin-gauge plates with asymmetrical reinforcement is developed. The proposed method allows take into account the effect of the load application eccentricity on the tensile st
PERFORMANCE INDICATORS OF CONCHOIDAL STRAIGHT SPUR GEARS WITH INCREASED LOADING CAPACITY. THE THEORY
Publikováno v:
Bulletin of the National Technical University «KhPI» Series: Engineering and CAD. :85-93
The article is devoted to the actual problem of increasing the performance indicators of machine gear drives. To solve this problem, in the article proposed to use a conchoidal engagement made with a shifting of the reference profile and special cont
Autor:
Michail Laktionov, Oleksandr Kostornoi, Valentyna Kucenko, Pavlo Tkach, Тetiana Makhanova, Nataliia Pidopryhora
Publikováno v:
Mechanics and Advanced Technologies. 5:41-48
To formulate the problems of increasing the resistance to cavitation erosion of the hydraulic parts of centrifugal pumps by selecting the most suitable steel grades and to review the experience of using cavitation-resistant steels for inducers of cen
Publikováno v:
International scientific and technical conference Information technologies in metallurgy and machine building. :168-170
The mathematical model of shaping of cylindrical gears with standard and non-standard parameters is considered, taking into account the conditions of shaping.
Autor:
Ol'ha Revyakina, Оlexandr Tisov, Yuri Tsybri, Pavlo Tkach, Anatoly Kornienko, Oleksandr Bashta, Pavlo Nosko
Publikováno v:
Bulletin of the National Technical University «KhPI» Series: Engineering and CAD. :140-148
Представлено теоретичне дослідження внутрішньої геометрії виробної поверхні та верстатного зачеплення для утворення зубців циліндри
Autor:
Vitalii Panchenko, Iryna Grechka, Pavlo Tkach, Oleksandr Gusak, Andrii Yashchenko, Sergey Khovanskyy
Publikováno v:
Eastern-European Journal of Enterprise Technologies, Vol 4, Iss 8 (94), Pp 24-31 (2018)
The impact of the inducer bush, which is a stator bush with longitudinal straight grooves installed over the inducer in the model centrifugal stage on its performance, was studied. A physical experiment was performed with the use of the experimental
Publikováno v:
Problems of Friction and Wear. 2
1. Кindatskiy B, Sulim G.// Modern condition and problems of multicriterion synthesis of engineering construction. - Lvov, Engineering industry, 2002, N10(64). – p. 26 – 40. 2. Korostylyov L. V. Kinematic activities of bearing ability of spatial
Publikováno v:
Problems of Friction and Wear. 2
1. Baturin N.U., 1988. Аnalys and synthesis of worm gears with the improved quality indicators//Diss. … Cand.Tech. Sciences. — Novocherkassk: 210. 2. Bernatskij I.N., Vjushkin N.I., Gerasimov V. K., 1974. Rational a choice of parametres of geari