Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding Machine
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 is essential for improving the performance of t...
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| Format: | Article |
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MDPI AG
2022-02-01
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| Series: | Machines |
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| Online Access: | https://www.mdpi.com/2075-1702/10/2/127 |
| _version_ | 1827654173269688320 |
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| author | Youyun Shang Kai Cheng Hui Ding Shijin Chen |
| author_facet | Youyun Shang Kai Cheng Hui Ding Shijin Chen |
| author_sort | Youyun Shang |
| collection | DOAJ |
| description | 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 is essential for improving the performance of the hydrostatic thrust bearing and the spindle working at high pressure and high rotational speed. Based on the computational fluid dynamics (CFD) simulation developed, the performance variation rules of thrust bearing surface are established while changing the oil supply pressure. It is found that the bearing capacity and temperature are obviously affected by varying viscosity-temperature characteristics, which have significant fluctuation phenomenon at the orifice. Furthermore, the turbulence intensity of the taper hole is found the least factor by analyzing four kinds of commonly used orifice type configurations. Finally, comparing the simulation and experimental results, the v-t model developed is proofed well matching with the experiment. The model can provide a basis for accurate design and analysis of hydrostatic thrust bearings and consequently the effective design and analysis of the hydrostatic spindle for high precision grinding machine. |
| first_indexed | 2024-03-09T21:34:33Z |
| format | Article |
| id | doaj.art-ae52a8a676a54d6c8013645f09e7d0f6 |
| institution | Directory Open Access Journal |
| issn | 2075-1702 |
| language | English |
| last_indexed | 2024-03-09T21:34:33Z |
| publishDate | 2022-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Machines |
| spelling | doaj.art-ae52a8a676a54d6c8013645f09e7d0f62023-11-23T20:48:42ZengMDPI AGMachines2075-17022022-02-0110212710.3390/machines10020127Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding MachineYouyun Shang0Kai Cheng1Hui Ding2Shijin Chen3School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, ChinaDepartment of Mechanical and Aerospace Engineering, Brunel University London, Uxbridge UB8 3PH, UKSchool of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, ChinaSchool of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, ChinaHydrostatic 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 is essential for improving the performance of the hydrostatic thrust bearing and the spindle working at high pressure and high rotational speed. Based on the computational fluid dynamics (CFD) simulation developed, the performance variation rules of thrust bearing surface are established while changing the oil supply pressure. It is found that the bearing capacity and temperature are obviously affected by varying viscosity-temperature characteristics, which have significant fluctuation phenomenon at the orifice. Furthermore, the turbulence intensity of the taper hole is found the least factor by analyzing four kinds of commonly used orifice type configurations. Finally, comparing the simulation and experimental results, the v-t model developed is proofed well matching with the experiment. The model can provide a basis for accurate design and analysis of hydrostatic thrust bearings and consequently the effective design and analysis of the hydrostatic spindle for high precision grinding machine.https://www.mdpi.com/2075-1702/10/2/127internal grinding machinehydrostatic thrust bearingviscosity-temperature characteristicsorifice typeCFD simulationshigh precision spindle |
| spellingShingle | Youyun Shang Kai Cheng Hui Ding Shijin Chen Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding Machine Machines internal grinding machine hydrostatic thrust bearing viscosity-temperature characteristics orifice type CFD simulations high precision spindle |
| title | Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding Machine |
| title_full | Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding Machine |
| title_fullStr | Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding Machine |
| title_full_unstemmed | Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding Machine |
| title_short | Design of a Hydrostatic Spindle and Its Simulation Analysis with the Application to a High Precision Internal Grinding Machine |
| title_sort | design of a hydrostatic spindle and its simulation analysis with the application to a high precision internal grinding machine |
| topic | internal grinding machine hydrostatic thrust bearing viscosity-temperature characteristics orifice type CFD simulations high precision spindle |
| url | https://www.mdpi.com/2075-1702/10/2/127 |
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