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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국생산제조학회 한국생산제조학회지 한국공작기계학회 논문집 Vol.13 No.5
발행연도
2004.10
수록면
38 - 48 (11page)

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초록· 키워드

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Recently the use of high-speed equipment in machine-tool industry has greatly increased, which requires the development of prognostics and prediction methods on the design stage. Conversion of the test/experiments stage from real to virtual reality will not only significantly reduce the design and manufacturing cost, but will also increase design quality. This paper shows how it is possible to develop the automated system for the design calculations of the air-bearing spindles. First, the general calculation method is introduced. It contains several steps, namely, geometry identification, pressure calculation, stiffness calculation, dynamics characteristics calculation. For geometry identification reducing spindle shaft to rings was proposed, which helps to automate the calculation process. For pressure calculation the Peshti method was implemented. For stiffness calculation the analysis was made, which shown the necessity of correct calculation step selection. Then the system of ordinary differential equations containing influence coefficients was evolved, which is used for trajectories calculation. The graphical representation of the calculation results shows the dynamic behavior of the spindle unit concerning various working conditions. Finally, this automated system is illustrated by an example of the air-bearing spindle calculation.

목차

Abstract
1. Introduction
2. Background
3. Calculation of geometry-related parameters
4. Pressure calculation
5. Stiffness calculation
6. Dynamic characteristics of the “spindle-bearing“ system
7. Illustrative example
8. Conclusion
Acknowledgement
References

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