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Prediction of Surface Topography by Dynamic Model in High Speed End Milling
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 Title & Authors
Prediction of Surface Topography by Dynamic Model in High Speed End Milling
Lee, Gi-Yong; Ha, Geon-Ho; Gang, Myeong-Chang; Lee, Deuk-U; Kim, Jeong-Seok;
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A dynamic model for the prediction of surface topography in high speed end milling process is developed. In this model the effect of tool runout, tool deflection and spindle vibration were taken in to account. An equivalent diameter of end mill is obtained by finite element method and tool deflection experiment. A modal parameter of machine tool is extracted by using frequency response function. The tool deflection, spindle vibration chip thickness and cutting force were calculated in dynamic cutting condition. The tooth pass is calculated at the current angular position for each point of contact between the tool and the workpiece. The new dynamic model for surface predition are compared with several investigated model. It is shown that new dynamic model is more effective to predict surface topography than other suggested models. In high speed end milling, the tool vibration has more effect on surface topography than the tool deflection.
High Speed End Milling;Surface Topography;Dynamic Model;Tool Deflection;Spindle Vibration;Chip Thickness;Cutting Force;
 Cited by
엔드밀 가공시 주축 오리엔테이션 기능을 통한 공구마멸 보정 장치의 개발,김전하;강명창;김정석;김광호;

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