Abstract
The performances of aerostatic spindle are highly affected by the fluid–structure interaction between air film and solid structure. This paper proposes a comprehensive two-way fluid–structure interaction model to analyze the fluid–structure interaction effect of an aerostatic spindle. The structure deformation induced by air film pressure is considered to predict the actual performance of aerostatic spindle. Furthermore, to provide theoretical basis for the structure parameters design, the influence of structural dimensions (such as the thickness of thrust plate) on its performance is investigated, and optimal structural parameters are acquired. The stiffness of aerostatic spindle with varying thrust plate thickness is tested to verify the reliability of simulation results.
| Original language | English |
|---|---|
| Pages (from-to) | 1434-1440 |
| Number of pages | 7 |
| Journal | Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology |
| Volume | 231 |
| Issue number | 11 |
| DOIs | |
| State | Published - 1 Nov 2017 |
| Externally published | Yes |
Keywords
- Aerostatic spindle
- fluid–structure interaction
- optimization
- stiffness
- ultra-precision machining
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