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A Study on the Flexible Cutting Force Model in the Ball End Milling Process  

최종근 (순천대학교 자동차공학과)
강윤구 (순천대학교 기계공학과)
이재종 (한국기계연구원)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.12, no.2, 2003 , pp. 44-52 More about this Journal
Abstract
This research suggests a cutting force model for the ball end milling processes. This model includes the effect of tool run out and tool deflection. In the proposed model, the flutes of ball end mills are considered as series of infinitesimal elements and each cutting edge is assumed to be straight for the analysis of the oblique cutting process, in which the small cutting edge element has been analyzed as an orthogonal cutting process n the plane including the cutting velocity and the chip-flow vector. Therefor, the cutting forces can be calculated through the model using the orthogonal cutting data obtained from the orthogonal cutting test. In order to enhance the performance of the model, the flutes of ball end mill are defined to keep geometric consistency at the peak of the ball part and the junction with the end mill part. The divided infinitesimal cutting edges are regulated to be even lengths. Some experiments show the validity of the developed model in the various cutting coalitions.
Keywords
Ball end milling; Tool deflection; Tool run out; Force model; Infinitesimal cutting edge;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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[ Kline, W. A.;Devor, R. E.;Lindberg, J. R. ] / International Journal of Machine Tool Design and Research   DOI   ScienceOn
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[ Kim, B. H. ] / Transactions of the Korean Society of Machine Tool Engineers   과학기술학회마을
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[ Choi, J. G.;Yang, M. Y.;Youn, J. W. ] / Transactions of the Korean Society of Machine Tool Engineers   과학기술학회마을
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[ Lee, Y. M.;Lee, S. H.;Tae, W. I. ] / Proceedings of the KSMTE Spring Conference