基于蒙皮模型形状的气体静压轴承旋转精度研究

IF 3.5 2区工程技术 Q2 ENGINEERING, MANUFACTURING

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology Pub Date : 2025-03-10 DOI:10.1016/j.precisioneng.2025.03.007

Jia Luo , Yanlong Cao , Jin Jin , Fan Liu , Junnan Zhi

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引用次数: 0

摘要

在高精度制造中，气体静压轴承因其卓越的精度而得到广泛应用。本文旨在通过SMS方法在气体静压轴承中的创新应用，探讨关键界面形状偏差对旋转精度的影响。通过对圆柱度和圆度不同建模方法及偏差值的比较，确定了最小旋转偏差的最优建模方法。有限差分法与等效弹簧单元的集成为求解流域参数提供了一个全面的框架。结果表明，基于sms的圆柱度建模最接近理想状态，将旋转误差减小到0.0812度，比其他方法减小约16%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Study on the rotation accuracy of gas hydrostatic bearings based on skin model shapes

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Study on the rotation accuracy of gas hydrostatic bearings based on skin model shapes

In high-precision manufacturing, gas hydrostatic bearings are widely utilized for their exceptional accuracy. This paper aims to explore the impact of shape deviations on rotational accuracy at critical interfaces through the innovative application of the SMS method in gas hydrostatic bearings. By comparing different modeling methods and deviation values for cylindricity and roundness, it identifies the optimal modeling approach to minimize rotational deviations. The integration of the finite difference method with equivalent spring elements offers a comprehensive framework for solving flow domain parameters. The results reveal that SMS-based cylindricity modeling achieves the closest approximation to the ideal state, reducing rotational errors to 0.0812 degrees—approximately 16% less than other methods.

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来源期刊

Precision Engineering-Journal of the International Societies for Precision Engineering and Nanotechnology 工程技术-工程：制造

CiteScore

7.40

自引率

5.60%

发文量

177

审稿时长

46 days

期刊介绍： Precision Engineering - Journal of the International Societies for Precision Engineering and Nanotechnology is devoted to the multidisciplinary study and practice of high accuracy engineering, metrology, and manufacturing. The journal takes an integrated approach to all subjects related to research, design, manufacture, performance validation, and application of high precision machines, instruments, and components, including fundamental and applied research and development in manufacturing processes, fabrication technology, and advanced measurement science. The scope includes precision-engineered systems and supporting metrology over the full range of length scales, from atom-based nanotechnology and advanced lithographic technology to large-scale systems, including optical and radio telescopes and macrometrology.