Results 11 to 20 of about 8,499 (231)

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

Scientific 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, Bingqing Yang, Cong Xu, Penghao Fu, Yanhao Jia, Aiqin Sun, Lijun Zhang, Liang Yuan   +7 more
doaj   +4 more sources

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

Scientific 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

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

Lubricants, 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   +3 more sources

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

Energy 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, Ruiming Zhang, Defan Zhou, Yan Zhao, Minmin Chen, Zelin Han, Shihao Li, Hui Jiang   +7 more
doaj   +3 more sources

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

Mathematics, 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, Andrey Kurzakov, Olga Grigorieva, Maxim Brungardt, Svetlana Belyakova, Ludmila Gogol, Alexey Surovtsev, Lilia Strok   +7 more
doaj   +3 more sources

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

Biomimetics
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

Enhanced Red-billed Blue Magpie Optimizer for engineering optimization problems [PDF]

Scientific Reports
The design of efficient and robust metaheuristic algorithms remains a fundamental challenge in addressing complex optimization problems, particularly those involving high dimensionality, nonlinearity, and multimodal landscapes where traditional methods ...
Haobo Wang, Zhentao Xin, Xuekui Qi, Qiang Zhou, Jiantao Liu, Zhe Li   +5 more
doaj   +2 more sources

The Effect of Additives on The Performance of HydrostaticThrust Bearings [PDF]

Al-Khawarizmi Engineering Journal, 2008
The paper is concerned with, the behavior of the hydrostatic thrust bearings lubricated with liquid-solid lubricants using Einstein viscosity formula, and taking into account the centrifugal force resulting from high speed.
Muhammed Abdul Sattar, Albert E. Yousif
doaj   +1 more source

The Effect of Additives on The Performance of Hydrostatic Thrust Bearings

Al-Khawarizmi Engineering Journal, 2019
The paper is concerned with, the behavior of the hydrostatic thrust bearings lubricated with liquid-solid lubricants using Einstein viscosity formula, and taking into account the centrifugal force resulting from high speed.  Also studied is the effect of
Albert E. Yousif
doaj   +1 more source

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

Applied 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, Youyun Shang, Qiang Gao, Lihua Lu, Min Zhu, Yan Sun, Weifeng Yu   +6 more
doaj   +1 more source