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논문 기본 정보

자료유형
학술저널
저자정보
Jin Woo Choi (현대위아) Tae Hong Lee (현대위아)
저널정보
한국생산제조학회 한국생산제조학회지 한국공작기계학회지 Vol.19 No.5
발행연도
2010.10
수록면
596 - 602 (7page)

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초록· 키워드

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In this study, a finite element model was developed for analysis of feeding a structure in open loop control. The finite element analysis (FEA) can simulate dynamic behavior of the structure of a machine tool rapidly traveling with a screw feeding driving system. The feeding mechanism was implemented with screw element of the FEA tool used in this study. The procedure was developed for the dynamic transient FEA. First, motion parameters such as jerk and velocity were introduced for the structure to be fed in open loop control. When its traveling distance was determined, set-points for the distance were generated based on the motion parameters. The set-points were applied to the FE model constructed for the traveling structure. The FEA was executed and evaluated. In this study, the FEA procedure was applied to the column of a machine tool and the dynamic behavior of the column was evaluated. The FEA helps in evaluation of the motion characteristics of a structure. The convergence time of the structure vibration posterior to feeding termination can be estimated and the stiffness of the flexible structure is also evaluated against jerk, and acceleration. It provides the feeding force which is helpful in selection of the feeding motor.

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Abstract
1. Introduction
2. Machine tool structures in open loop control
3. Development of a finite element model
4. Results from the dynamic transient FEA
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2012-552-003629134