Results 261 to 270 of about 97,101 (280)
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A Novel PLC-Controlled Hydraulic Power Device for Enhanced Multifunctional Utilization and Operational Efficiency

2025 6th International Conference on Mechatronics Technology and Intelligent Manufacturing (ICMTIM)
Zhoubo Wang   +5 more
exaly   +2 more sources

Operation of hydraulic prop and safety devices in dynamic loading regime

Journal of Mining Science, 1999
The results of stand tests of mass-produced hydraulic prop of ground support in dynamic loading regimes are presented. Pressure propagation in the fluid filling the piston cavity is shown to be of wave type; the reasons of failure of the cylinder walls are elucidated. A device for protecting the hydraulic prop from dynamic loads is proposed.
Yu. M. Lekontsev, T. M. Tarasik
openaire   +1 more source

Further Development of a Hydraulically Operated Oscillation Device for Application to an Industrial Forming Process

2020
A superimposed oscillation in the main force flow of a forming process is investigated. Therefore a tool system was developed. The oscillation in this system is generated by pulsating oil streams. As part of this research, the oscillation device is equipped with additional storage tanks, to generate a higher oil volume flow.
P. Müller   +5 more
openaire   +1 more source

Generalization of the Studies of Hydraulic and Thermochemical Operating Conditions in the Separation Devices, External Salt Compartments, and Circulation Loops of Thermal Power Plant Boilers

Thermal Engineering, 2021
The results of studying hydraulic and thermochemical operating conditions of thermal power plant drum boiler’s internals are presented. Data on the boiler water’s salt content are given for the salt compartment comprising two pairs of external cyclones per boiler side, which are connected to one waterwall.
openaire   +1 more source

Increase in Operational Reliability of Locking Device of Hydraulic Actuator of Vehicle

2019
In modern mechanical engineering, in construction and road, farm, meliorative, timber, industrial, and other land vehicles of special and general purpose hydraulic actuators of working elements, which have advantages regarding speed and smoothness of reverse or separate management, change of position of the car, accuracy of positioning, and dispensing ...
N. A. Fomenko   +2 more
openaire   +1 more source

DEVELOPMENT OF AN INFORMATION MEASURING DEVICE AND AN AUTOMATIC CONTROL SYSTEM FOR THE MODES OF OPERATION OF THE HYDRAULIC PRESS

Известия Кыргызского государственного технического университета им. И. Раззакова, 2022
openaire   +1 more source

Calculation method of hydraulic operation of trailer unlouding device

AIP Conference Proceedings
Khayrullo Baynazarov   +5 more
openaire   +1 more source

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