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논문 기본 정보

자료유형
학술대회자료
저자정보
Mu-Ping Tsai (National Cheng Kung University) Nan-Chyuan Tsai (National Cheng Kung University) Chun-Chi Lin (National Cheng Kung University) Hsin-Lin Chiu (National Cheng Kung University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2015
발행연도
2015.10
수록면
1,581 - 1,586 (6page)

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초록· 키워드

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Thin-wall tubular-geometry workpieces have been widely applied in aircraft and medical industries. Though numerous research reports are available that the tool path can be planned on the basis of preset surface profile before actual milling operation is performed, it is still difficult to predict the real-time surface profile errors for peripheral milling of thin-wall tubular workpieces. This research is focused on how to real-time formulate the appropriate applied cutting torque via feedback of spindle motor current. A few suitable cutting conditions which are able to prevent potential break/crack of thin-wall workpieces and enhance productivity but almost retain the same cutting quality is proposed. To achieve this goal, estimated surface profile error on machined parts due to deflections caused by both tool and workpiece is studied. The torque estimation approach by spindle motor current feedback and the corresponding fuzzy logic controller are employed. Compared with constant cutting torque during milling operation in tradition manner, it is observed that the time consumption of milling cycle by aid of the aforesaid fuzzy logic controller is greatly shortened while the resulted cutting accuracy upon finish of workpiece can be almost retained.

목차

Abstract
1. INTRODUCTION
2. MILLING DYNAMICS
3. Cutting Torque Feedback Control
4. RESULTS AND DISCUSSIONS
5. CONCLUSION
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