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Study on application of squeeze oil film technology in deep hole surface finishing

机译：挤压油膜技术在深孔表面处理中的应用研究

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摘要

Deep Hole Surface Finishing (DHSF) is studied by the application of squeeze oil film technology. Based on the fluid lubricates theory the Renault equation of DHSF Squeeze Film Damper (SFD) is established; the squeeze film force is solved by immense short bearing theory and the effect of the eccentricity of SFD on the film pressure distributing is analysed by Matrix Laboratory (MATLAB). The grinding wheel spindle of deep hole surface finishing with SFD is designed based on the theoretical research and experimental research is carried on earlier. The result of the experiments shows that SFD with reasonable design parameters has excellent damping function to the grinding wheel spindle: it can reduce the vibration of the grinding wheel spindle by 30-45%, the quality of the deep hole machining can increase by 10-20% and the work efficiency of the machine can increase by 15-25%.
机译：通过挤压油膜技术研究了深孔表面处理（DHSF）。基于流体润滑理论，建立了DHSF挤压膜阻尼器（SFD）的雷诺方程。通过巨大的短轴承理论解决了挤压薄膜力的问题，并通过矩阵实验室（MATLAB）分析了SFD的偏心距对薄膜压力分布的影响。在理论研究的基础上，设计了采用SFD进行深孔表面精加工的砂轮主轴，并进行了较早的实验研究。实验结果表明，设计参数合理的SFD对砂轮主轴具有很好的阻尼作用：可以使砂轮主轴的振动降低30-45％，深孔加工质量可以提高10- 20％，机器的工作效率可提高15-25％。

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