Cutting force model considering tool edge geometry for micro end milling process |
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Authors: | Ik Soo Kang Jeong Suk Kim Yong Wie Seo |
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Affiliation: | (1) Engineering Research Center for Net Shape and Die Manufacturing, Pusan National University, Jangjeon-dong, Geumjeong-gu, Busan, 609-735, Korea;(2) School of Mechanical Engineering, Pusan Nationl University, Jangjeon-dong, Geumjeong-gu, Busan, 609-735, Korea;(3) School of Mechanical and Automotive Engineering, Inje University, Obang-dong, Gimhae, Gyeongnam, 621-749, Korea |
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Abstract: | The analysis of the cutting force in micro end milling plays an important role in characterizing the cutting process, as the
tool wear and surface texture depend on the cutting forces. Because the depth of cut is larger than the tool edge radius in
conventional cutting, the effect of the tool edge radius can be ignored. However, in micro cutting, this radius has an influence
on the cutting mechanism. In this study, an analytical cutting force model for micro end milling is proposed for predicting
the cutting forces. The cutting force model, which considers the edge radius of the micro end mill, is simulated. The validity
is investigated through the newly developed tool dynamometer for the micro end milling process. The predicted cutting forces
were consistent with the experimental results. |
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Keywords: | Cutting force Micro end milling Tool edge radius Micro cutting |
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