Zobrazeno 1 - 10
of 25
pro vyhledávání: '"V. K. Astashev"'
Publikováno v:
Journal of Machinery Manufacture and Reliability. 50:11-18
The results of analysis of the dynamic properties of a vibrating technological machine with an electrodynamic actuator of oscillations during its operation under a nonlinear technological load are presented. The amplitude–frequency performances of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b9f5194b91da3ea182aa686c36de305
https://doi.org/10.3103/s1052618821010064
https://doi.org/10.3103/s1052618821010064
Autor:
K. A. Pichugin, V. K. Astashev
Publikováno v:
Journal of Machinery Manufacture and Reliability. 48:535-540
The conditions of resonant tuning of the bar system with a piezoelectric vibration exciter are determined. It is revealed that the resonance frequency depends on both the dimensions of the system and the location of the exciter. The main features of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77dac355b6b292755b16d2a4e28d6ade
https://doi.org/10.3103/s1052618819030026
https://doi.org/10.3103/s1052618819030026
Publikováno v:
Bulletin of Science and Technical Development.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f24e88786cd463ed7cd534665b6efc1a
https://doi.org/10.18411/vntr2020-158-1
https://doi.org/10.18411/vntr2020-158-1
Autor:
V. K. Astashev, V. L. Krupenin
Publikováno v:
Bulletin of Science and Technical Development. :3-10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ddf3e09c28a1cd6158c3a318d7ae435
https://doi.org/10.18411/vntr2018-131-1
https://doi.org/10.18411/vntr2018-131-1
Autor:
I. I. Vulfson, V. K. Astashev
Publikováno v:
Journal of Machinery Manufacture and Reliability. 45:420-428
With regard to the problem of decreasing the vibration activity of devices that perform the translational motion of the working body along the pathway, new results have been obtained that determine the threshold speed value; the friction self-oscilla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00822375bfb259fd41ae3d095951ba1a
https://doi.org/10.3103/s1052618816050046
https://doi.org/10.3103/s1052618816050046
Autor:
V. K. Astashev, K. A. Pichygin
Publikováno v:
Journal of Machinery Manufacture and Reliability. 42:347-352
The dynamics of an ultrasonic rod system with a piezoelectric vibration exciter are examined. Based on the analysis of the equations of vibrations of the electromechanical system, methods of resonance adjustment are described. The main features of co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2df78bdeff56937695451b0fab6e711d
https://doi.org/10.3103/s1052618813050038
https://doi.org/10.3103/s1052618813050038
Autor:
E. B. Semenova, V. K. Astashev
Publikováno v:
Journal of Machinery Manufacture and Reliability. 42:45-48
A model of the ultrasonic drawing process is proposed and studied. The tangential elastic compliance of the material being deformed is taken into account in the description of the conical surfaces of the die and blank. The analysis results make it po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cef19a9e794ff4c4cd50a666d7bf353
https://doi.org/10.3103/s1052618813010020
https://doi.org/10.3103/s1052618813010020
Autor:
V. K. Astashev, G. K. Korendyasev
Publikováno v:
Journal of Machinery Manufacture and Reliability. 41:435-440
On the basis of thermomechanical analysis, cutter self-excitation in perpendicular free cutting of metals may be attributed to the nonlinear temperature dependence of the blank’s mechanical characteristics. By simulation, the conditions favorable t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9b6cc228b4b849742115b9bec230bce
https://doi.org/10.3103/s1052618812060039
https://doi.org/10.3103/s1052618812060039
Autor:
G. K. Korendyasev, V. K. Astashev
Publikováno v:
Journal of Machinery Manufacture and Reliability. 41:189-193
A model of excitation of self-vibrations, or oscillations, in metal cutting is considered in this work, wherein the loss of stability of the constant-speed cutting mode occurs as a result of temperature-dependent mechanical characteristics of the wor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92b681e33b648053e95a27262c41c874
https://doi.org/10.3103/s105261881203003x
https://doi.org/10.3103/s105261881203003x
Autor:
V. K. Astashev, V. L. Krupenin
Publikováno v:
Journal of Machinery Manufacture and Reliability. 41:1-6
This study considers the results of experiments with a distributed striking element (string), the motion of which is accompanied with a shock interaction with extended and combined stop blocks of various topology. Straight and buckled limiters are co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0522324f0441ae44899329f3b49fd3aa
https://doi.org/10.3103/s1052618812010037
https://doi.org/10.3103/s1052618812010037