Abstract
Since the rotational characteristics of the aerostatic spindle are formed by the coupling of the load bearing characteristics of the aerostatic bearing and the operating characteristics of the rotor, the imbalance factors of the spindle during the operation and manufacturing errors in processing have an impact on the performance of aerostatic bearings inevitably. Thus this paper analyzes the static and dynamic characteristics of aerostatic bearings under the influence of imbalance factors and manufacturing errors. With the established dynamic model of the aerostatic journal bearing, the rotational errors analysis of the aerostatic spindle is realized. The correctness of the simulation results is verified by comparing the experimental data with the simulation data. The data provides a theoretical basis to accurately predict the rotational errors of the spindle system and achieve accuracy control.
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The data used to support the findings of this study are available from the corresponding author upon request.
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This work was supported by the National Natural Science Foundation of China (No. 51875005) and the Ethics Committee of Beijing University of Technology.
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Chen, D., Li, P., Sun, K. et al. Influence of Imbalance Factors Coupling with Manufacturing Error on the Rotational Accuracy of Aerostatic Spindle. Int. J. Precis. Eng. Manuf. 24, 1933–1946 (2023). https://doi.org/10.1007/s12541-023-00858-9
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DOI: https://doi.org/10.1007/s12541-023-00858-9