| Zhang Yanqin (张艳芹),Yu Zeyang,Chen Yao,Shao Junpeng,Yu Xiaodong,Jiang Hui.[J].高技术通讯(英文),2014,20(3):315~320 |
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| Simulation and experimental study on lubrication characteristics of vertical hydrostatic guide rails |
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| DOI：10.3772/j.issn.1006-6748.2014.03.014 |
| 中文关键词: |
| 英文关键词: hydrostatic bearing, oil pad, supporting characteristics, finite volume method |
| 基金项目: |
| Author Name | Affiliation | | Zhang Yanqin (张艳芹) | | | Yu Zeyang | | | Chen Yao | | | Shao Junpeng | | | Yu Xiaodong | | | Jiang Hui | |
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| 中文摘要: |
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| 英文摘要: |
| In order to improve the cutting stiffness ,the paper studies the vertical hydrostatic bearing in the slide when a ram is in feed process .The change of the oil film thickness on hydrostatic guide rail and the curve of the oil film thickness in various cutting forces are calculated and a relation model through theoretical analysis method is derived . The pressure field of the guide rail recess is simulated based on the finite volume method and demonstrated through experiments. The study is of vital theoretical significance for the improvement of machining accuracy of numerical control machines and the entire computer numerical control (CNC) equipment and provides valuable theoretical basis for the design of hydrostatic guide rail in engineering practice. |
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