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정태성(Taesung Jung),최인휴(Inhugh Choi),양민양(Minyang Yang) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
An adequate method for the prediction of machining errors is essential to improve productivity and<br/> product quality. But it is known that there is a remarkable difference between values calculated by<br/> conventional roughness model and measured values of actual machined surfaces under high efficient cutting<br/> condition. This paper introduces the theoretical analysis of characteristic lines of cut remainder to evaluate a<br/> geometrical surface roughness accurately. In this study, analytic equations of the characteristic lines are<br/> derived from the surface generation mechanism of ball end milling considering the actual trochoidal<br/> trajectories of cutting edges. The predicted results are compared with the results of conventional roughness<br/> model.