| 精密机床静压气体轴承静特性分析及基本参数的优化 |
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| 引用本文： | 李树森,郭永红,朱赞彬,曾剑锋.精密机床静压气体轴承静特性分析及基本参数的优化[J].润滑与密封,2012(1):29-32. |
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| 作者姓名： | 李树森 郭永红 朱赞彬 曾剑锋 |
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| 作者单位： | 东北林业大学机电工程学院 |
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| 基金项目： | 东北林业大学重点课程建设项目(Z00397);哈尔滨市科技创新人才研究专项基金项目(RC2012XK006005) |
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| 摘 要： | 对精密机床气体轴承静特性进行理论分析,运用有限元法将雷诺方程离散化,得到静压气体轴承的承载能力、刚度以及供气量的计算公式。对某精密机床小孔节流静压气体轴承的静态特性进行分析,得到供气压力、偏心率、节流孔直径和刚度以及承载能力之间的关系曲线;通过优化分析,得到精密机床主轴前后静压气体轴承优化的结构参数和操作参数。
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| 关 键 词： | 超精密 气体轴承 静态特性 |
Static Characteristics Analysis and Basic Parameters Optimization of Aerostatic Bearing for Precision Machine Tool |
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| Li Shusen Guo Yonghong Zhu Zanbin Zeng Jianfeng.Static Characteristics Analysis and Basic Parameters Optimization of Aerostatic Bearing for Precision Machine Tool[J].Lubrication Engineering,2012(1):29-32. |
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| Authors: | Li Shusen Guo Yonghong Zhu Zanbin Zeng Jianfeng |
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| Affiliation: | Li Shusen Guo Yonghong Zhu Zanbin Zeng Jianfeng(Mechanical and Electrical Engineering Institute,Northeast Forestry University,Harbin Heilongjiang 150040,China) |
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| Abstract: | The static characteristics of gas bearing for the precision machine tool were analyzed in theory,the Reynolds equation was discretized with the finite element method and the calculating formula of bearing capacity,stiffness and the amount of gas supply were got.The static characteristics of aerostatic bearing with orifice compensated for a precision machine tool were analyzed,the relation curves of gas supply pressure,eccentricity,orifice diameter stiffness and bearing capacity were got.By optimization analysis,the structure and operation parameters of aerostatic bearing for precision machine tool spindle were concluded. |
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| Keywords: | ultra-precision processing gas bearing static characteristics |
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