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논문 기본 정보

자료유형
학술대회자료
저자정보
H. S. Kim (Seoul Nat`l Univ. of Science and Technology) I. S. Oh (Seoul Nat`l Univ. of Science and Technology) J. W. Choi (Seoul Nat`l Univ. of Science and Technology)
저널정보
한국소성·가공학회 금형가공 심포지엄 2013년도 제10회 금형가공 심포지엄
발행연도
2013.9
수록면
166 - 170 (5page)

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With the global trend toward miniaturization, the demand of miniaturized components has significantly increased in a wide range of industries. As one of promising and suitable micro-manufacturing technologies, micro milling is widely used for the production of complex 3D shapes and geometries. In the micro milling operations, strong size effect occurs in the specific cutting energy due to the dominant ploughing forces and the increased feed per tooth to tool radius ratio. In order to understand the mechanics of micro milling process, this study proposes simple procedures to determine the instantaneous cutting force constants. The existing mechanistic model for predicting cutting forces in micro end milling demonstrated that the error between the predicted and measured values increased with decreasing uncut chip thickness. The curves for the instantaneous cutting force constants were thus calculated and fitted based on the experimental data to explain this scaling phenomenon and improve the prediction capability of the cutting force model. The experimental measurements showed a good agreement with the predicted cutting force values, and the effectiveness of the model and procedures can be confirmed.

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Abstract
1. Introduction
2. Cutting Forces in Micro End Milling
3. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2017-551-000837864