The Effect of Oil Cavity Depth on Temperature Field in Heavy Hydrostatic Thrust Bearing

In order to solve the thermal deformation of the hydrostatic thrust bearing in the heavy equipment, a simulation research concerning temperature field of multi-pad hydrostatic thrust bearing having circular cavities was described. The Finite Volume Method of Fluent has been used to compute three-dimensional temperature field of gap fluid between the rotation worktable and base. This study theoretically analyzes the influence of cavity radius and cavity depth on the bearing temperature performance according to computational fluid dynamics and lubricating theory. It has revealed its temperature distribution law. The simulation results indicate that an improved characteristic can be gotten from a circular cavity hydrostatic thrust bearing, oil cavity temperature decreases by gradually with cavity radius enhancing, oil cavity temperature decreases by gradually with cavity depth. Through this method, the safety of a hydrostatic thrust bearing having circular cavities multi-pad can be forecasted, and the optimal design of such products can be achieved, so it can provide reasonable data for design and lubrication and experience and thermal deformation computation for hydrostatic thrust bearing in the heavy equipment.

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Influence of the Oil Cavity Depth on Dynamic Pressure Effect of Hydrostatic Thrust Bearing

2009 International Conference on Intelligent Human-Machine Systems and Cybernetics ◽

10.1109/ihmsc.2009.129 ◽

2009 ◽

Cited By ~ 3

Author(s):

Junpeng Shao ◽

Limin Zhou ◽

Hongmei Li ◽

Xiaodong Yang ◽

Yanqin Zhang ◽

...

Keyword(s):

Thrust Bearing ◽

Pressure Effect ◽

Dynamic Pressure ◽

Cavity Depth

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Contrastive Analysis on Thermal Deformation of Thrust Bearing Pad with Two Kind of Supporting

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.494-495.554 ◽

2014 ◽

Vol 494-495 ◽

pp. 554-557

Author(s):

Yong Hai Li ◽

Shi Bo Liu ◽

Rong Kui Yao ◽

Jian Wang ◽

Ning Yang ◽

...

Keyword(s):

Numerical Simulation ◽

Finite Element ◽

Temperature Field ◽

Thermal Deformation ◽

Thrust Bearing ◽

Deformation Field ◽

Contrastive Analysis ◽

Tilting Pad ◽

Finite Element Numerical Simulation ◽

Point Line

In order to solve thermal deformation, the finite element numerical simulation of two kind of tilting pad thrust bearing is made for the same pad surface, and thermal deformation is made to analyze comparatively. The results show that the temperature field, the deformation field and the values of pad are similar for two different supported thrust bearing (point, line support) under the same operating condition. The pad temperature and deformation will increase with the increasing of pv values. According to the calculation conditions, the temperature field rose about 1°C, and the thermal deflection increased 0.002mm with pv value increased by 10%.

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Research on Hydrostatic Supporting Temperature-Rise of Heavy NC Machine Tool

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.274.132 ◽

2013 ◽

Vol 274 ◽

pp. 132-135 ◽

Cited By ~ 1

Author(s):

Yan Qin Zhang ◽

Rui Li ◽

Chun Xi Dai ◽

Jun Peng Shao ◽

Xiao Dong Yang ◽

...

Keyword(s):

Temperature Field ◽

Machine Tool ◽

Optimization Design ◽

Thrust Bearing ◽

Effective Control ◽

Fluid Temperature ◽

Oil Film ◽

Hydrostatic Bearing ◽

Nc Machine Tool ◽

Nc Machine

With heavy NC machine tool is widely used in many oil pad round guide hydrostatic bearing as the research object, in the under condition of variable viscosity, establish oil film viscosity-temperature equation. Adopt finite volume method, simulation the hydrostatic bearing internal fluid temperature field under different flow rates on the speed of 6R / min. Numerical simulation hydrostatic thrust bearing oil film temperature field, can find a general high temperature region, and then take effective control temperature. It can achieve the hydrostatic thrust bearing oil film temperature field prediction for engineering practical oil chamber structure, offer the theoretical foundation for optimization design.

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Research on Temperature Field of Hydrostatic Thrust Bearing with Annular Cavity Multi-Pad

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.121-126.3477 ◽

2011 ◽

Vol 121-126 ◽

pp. 3477-3481

Author(s):

Xiao Dong Yu ◽

Xiu Li Meng ◽

Bo Wu ◽

Chun Li Gao ◽

Zhi Xin Qiu ◽

...

Keyword(s):

Fluid Dynamics ◽

Temperature Field ◽

Thermal Deformation ◽

Thrust Bearing ◽

Three Dimensional ◽

Distribution Law ◽

Simulation Research ◽

Temperature Performance ◽

Simulation Results ◽

Volume Method

A simulation research concerning temperature field of hydrostatic thrust bearing having annular cavities multi-pad was described in order to solve the thermal deformation of the hydrostatic thrust bearing with annular cavity multi-pad in the heavy CNC equipment. The Finite Volume Method of CFX has been used to compute three-dimensional temperature field of gap fluid between the rotation worktable and base. This study theoretically analyzes the influence of rotating velocity on the bearing temperature performance according to computational fluid dynamics and lubricating theory. It has revealed its temperature distribution law. The simulation results indicate that an improved characteristic will be affected by rotating velocity easily, and oil cavity temperature increases by gradually with rotating velocity enhancing. Through this method, the safety of a hydrostatic thrust bearing having annular cavities multi-pad can be forecasted, and the optimal design of such products can be achieved, so it can provide reasonable data for design, lubrication, experience and thermal deformation computation for hydrostatic thrust bearing in the heavy CNC equipment.

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Research on Temperature Field of Multi-pad Hydrostatic Thrust Bearing with Different Cavity Shapes

10.14257/astl.2013.31.02 ◽

2013 ◽

Author(s):

Xiaodong Yu ◽

◽

Xv Fu ◽

Xiuli Meng ◽

Dan Liu ◽

...

Keyword(s):

Temperature Field ◽

Thrust Bearing

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Research on Temperature Field Distribution of Heavy Hydrostatic Thrust Bearing Rotation-Workbench at Different Rotating Velocity

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.239-242.2703 ◽

2011 ◽

Vol 239-242 ◽

pp. 2703-2706

Author(s):

Jun Peng Shao ◽

Xiao Dong Yang ◽

Yun Fei Wang ◽

Xiao Qiu Xu ◽

Yan Qin Zhang ◽

...

Keyword(s):

Heat Transfer ◽

Numerical Simulation ◽

Temperature Field ◽

Field Distribution ◽

Thrust Bearing ◽

State Equation ◽

Temperature Field Distribution ◽

Hydrostatic Bearing ◽

Average Temperature ◽

Heat Transfer Theory

Based on heat transfer theory, thermodynamics steady state equation of hydrostatic bearing, thermal mathematical model of hydrostatic bearing and boundary condition of numerical simulation is established. Temperature field distribution of hydrostatic bearing at different velocity is numerical simulated. Regularity of the influence of velocity on temperature field of heavy hydrostatic thrust bearing is revealed. The results show that, velocity impacted a significant influence on heat transfer and temperature field distribution of hydrostatic bearing. Average temperature of workbench steadily declined as velocity increasing, while average temperature of base gradually increased; both of them emerged serious heat concentration, but the cooling situation of workbench is better than base. The numerical simulation results could provide theoretical basis for temperature control scheme design which will improve the stability and reliability during hydrostatic bearing operation.

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Design and performance analysis on heat pipe hydrostatic thrust bearings based on rectangular oil pad

Industrial Lubrication and Tribology ◽

10.1108/ilt-10-2017-0303 ◽

2018 ◽

Vol 70 (7) ◽

pp. 1251-1257

Author(s):

Xibing Li ◽

Weixiang Li ◽

Xueyong Chen ◽

Ming Li ◽

Huayun Chen ◽

...

Keyword(s):

Temperature Field ◽

Heat Pipe ◽

Temperature Rise ◽

Dry Friction ◽

Thermal Deformation ◽

Thrust Bearing ◽

Processing Quality ◽

Content Type ◽

Thrust Bearings

Purpose The purpose of this paper is to examine the effect of application of a heat pipe in an aspect of hydrostatic thrust bearings on thermal balance and deformation and the role of this application in increasing the rotating speed of a workbench. Design/methodology/approach Numerical simulations of oil film temperature field, the temperature field and thermal deformation of the bearing’s workbench and base were performed by finite element analysis (FEA) software for both the traditional hydrostatic thrust bearings and the heat pipe ones. Findings Oil pad and workbench of the hydrostatic thrust bearings are fabricated with a heat pipe cooling structure, which can take away most of the heat generated by shearing of the oil film, control the temperature rise and thermal deformation of the hydrostatic thrust bearing effectively, avoid the dry friction phenomenon and finally improve the processing quality of equipment. Originality/value The heat pipe hydrostatic thrust bearings could control the temperature rise and thermal deformation of the hydrostatic thrust bearing effectively, avoid the dry friction phenomenon and improve the processing quality of equipment.

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