Results 1 to 10 of about 342 (184)

Analytical study of the spherical hydrostatic bearing dynamics through a unique technique [PDF]

open access: yesScientific Reports, 2023
Because of their self-alignment property and design simplicity, the spherical hydrostatic bearings have the advantage over the other bearing configurations. Their static and dynamic performances have been intensively studied.
Ahmad Waguih Elescandarany
doaj   +2 more sources

Evaluation and correction methods for geometric errors of hydrostatic thrust bearings [PDF]

open access: yesScientific Reports
The value and direction angle of the perpendicularity error of the thrust surface and bearing bush in hydrostatic thrust bearings directly affect the motion accuracy. In this paper, a rapid onsite measurement method and evaluation model for the value and
Zhiwei Wang   +7 more
doaj   +2 more sources

MSO: A Modified Snake Optimizer for Engineering Applications [PDF]

open access: yesBiomimetics
Many complex engineering problems can be formulated as mathematical optimization tasks, for which bio-inspired metaheuristic algorithms have demonstrated outstanding effectiveness.
Hongxi Wang, Likun Hu
doaj   +2 more sources

CFD-Based Investigation on Effects of Orifice Length–Diameter Ratio for the Design of Hydrostatic Thrust Bearings

open access: yesApplied Sciences, 2021
Orifice-restricted hydrostatic thrust bearings are broadly employed in ultra-precision machine tools, aerospace industries, and so forth. The orifice length–diameter ratio (OLDR) is one of the significant geometrical parameters of the orifice-restricted ...
Siyu Gao   +6 more
doaj   +1 more source

Thrust-Bearing Layout Design of a Large-Sized Hydrostatic Rotary Table to Withstand Eccentric Loads for Horizontal Boring Machine Applications

open access: yesLubricants, 2022
There is an increasing demand for large-sized hydrostatic rotary tables due to the industrial need for the precision machining of large workpieces for wind generation, aerospace, shipbuilding, and national defense applications.
Hua-Chih Huang, Shen-Hen Yang
doaj   +1 more source

Static characteristics of a hydrostatic thrust bearing with a membrane displacement compensator [PDF]

open access: yesFME Transactions, 2021
The article discusses the design and also presents a mathematical model and method for calculation of static characteristics of a hydrostatic thrust bearing with a membrane-type displacement compensator.
Kodnyanko Vladimir A.   +1 more
doaj   +1 more source

Investigation of the Static Performance of Hydrostatic Thrust Bearings Considering Non-Gaussian Surface Topography

open access: yesLubricants, 2023
The dynamic and static characteristics of hydrostatic thrust bearings are significantly affected by the bearing surface topography. Previous studies on hydrostatic thrust bearings have focused on Gaussian distribution models of bearing surface topography.
Huaiqing Lu, Zhuxin Tian
doaj   +1 more source

Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding Machine

open access: yesMachines, 2022
Hydrostatic thrust bearings are the core part of the hydrostatic spindle, which is widely used in high precision grinding machines. In this paper, the viscosity-temperature (v-t) characteristics of hydrostatic oil are systematically investigated, which ...
Youyun Shang   +3 more
doaj   +1 more source

Effects of oil recess structural parameters on comprehensive tribological properties in multi-pad hydrostatic thrust bearing for CNC vertical processing equipment based on low power consumption

open access: yesEnergy Reports, 2021
Hydrostatic thrust bearings have been applied in high speed and heavy load machine tools because they provide superior characteristics such as higher positional accuracy, greater stability, and lower friction.
Xiaodong Yu   +7 more
doaj   +1 more source

Theoretical Disquisition on the Static and Dynamic Characteristics of an Adaptive Stepped Hydrostatic Thrust Bearing with a Displacement Compensator

open access: yesMathematics, 2021
Stepped hydrostatic thrust bearings used in metal-cutting machines are characterized by high load capacity and damping, which ensure the stable operation of structures. However, in comparison with throttle thrust bearings, they have a high compliance. It
Vladimir Kodnyanko   +7 more
doaj   +1 more source

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