Results 81 to 90 of about 7,865 (221)

Vibration of a Flexible Hanging Chain with a Mass on the End in a Nonstationary Regime of the Motion Mechanism in Hoisting Machines [PDF]

open access: yesJournal of Applied and Computational Mechanics
The article is focused on the vibrations of a heavy chain with a mass on the end when the hoisting machines are in a nonstationary regime of motion, assuming that motor or brake torque is a linear function of the speed of the motion mechanism.
Vassil Zlatanov, Svetoslav Nikolov
doaj   +1 more source

Enhancement of Hoisting System Performance [PDF]

open access: yes, 2010
In this paper it is required to enhance the performance of a mechanical system (here: a Hoisting System) where it is preferred to lift a different payloads with approximately the same speed of lifting and keeping at the same time the good performance ...
Ra&apos, Yarub O. Naji Al-azzawi
core  

Deductive Optimization of Relational Data Storage

open access: yes, 2020
Optimizing the physical data storage and retrieval of data are two key database management problems. In this paper, we propose a language that can express a wide range of physical database layouts, going well beyond the row- and column-based methods that
Feser, John K.   +3 more
core   +1 more source

Method of combating fatigue destruction of steel structures of mine hoisting machines

open access: yesMetalurgija, 2020
The article presents the information of the identified defects of fatigue failure of steel structures of the brake mechanism of mine cable hoisting machines used to transport metallurgical coke from the mine to the surface.
A. D. Mekhtiyev   +5 more
doaj  

English for Study and Work: Coursebook in 4 books. Book 2 Obtaining and Processing Information for Specific Purposes [PDF]

open access: yes, 2015
Подано всі види діяльності студентів з вивчення англійської мови, спрямовані на розвиток мовної поведінки, необхідної для ефективного спілкування в академічному та професійному середовищах.
Зуенок, И. И.   +15 more
core  

Стенд для дослідження регульованого об'ємного приводу механізму підйому [PDF]

open access: yes, 2014
Проведено аналіз конструкції експериментального стенда для дослідження роботи гідростатичного приводу механізму підйому вантажу з низькомоментним гідродвигуном. Обґрунтовано застосування комплексу вимірювально-реєструвального обладнання, виходячи з плану
Григоров, Отто Володимирович   +5 more
core  

Perancangan Gantry Crane Kapasitas 10 Ton Dengan Bantuan Software [PDF]

open access: yes, 2014
Gantry crane is one of the lifting machines that use to lift and move loads which can't lift by human power. The Applications of gantry crane can be seen at sea port area and loading area in industrial.
Soeharsono, G. (G), Sutanto, E. (Endi)
core  

Математична модель процесу гасіння коливань металоконструкції стрілових кранів [PDF]

open access: yes, 2009
В статті побудовані динамічна і математична моделі механізму підйому стрілового крана з урахуванням демпфера в’язкого тертя з пружнім зв’язком, а також зовнішньої сили приводу.
Павлова, А. О.   +2 more
core  

The stress-strain state of the flat rope of hoisting engine with considering their technical state [PDF]

open access: yes, 2017
Obtained an analytical dependence for determining the tensile forces acting in cables of the fl at rubberized rope. It takes into account the design of the hoisting engine – the deviations of generating line of the drum from a straight and of the ...
Belmas, I.   +3 more
core  

Structural-parametric synthesis of hydro-mechanical drive of hoisting and lowering mechanism of package-forming machines

open access: yesEastern-European Journal of Enterprise Technologies, 2017
An analysis of operation of hoisting and lowering mechanisms of package-forming machines and synthesis of the structure of a hydromechanical drive were performed. Operation mode of a hydromechanical drive with a hydro-gas battery was theoretically explored.
Oleksandr Gavva   +2 more
openaire   +2 more sources

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