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초록· 키워드

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In conventional NC milling semi-finishing cutting has been neglected. The NC milling performs only rough cutting and finish cutting. When the uncut can leave big, finish cutting has troubles such as overload and tool breakage, etc. In consequence efficiency of manufacturing is decreased. The troubles can be overcome with semi-finish cutting.
The semi-finish cutting using contour curve has many advantages to satisfy many cutting conditions, supporting with constant cutting force, good machinability and fast cutting speed. But tool interference in contour tool path is limited to 2 dimensional pocket, trimming, etc. The paper presents a method which can avoid the tool interference in 3 dimensional milling. The method uses characteristic points such as apex, sink and saddle point Ridge-valley curve makes contour tool path interference-free tool path. The method has better performance than conventional tool path.
Also, the tool path results in good accuracy of surface by using scan-line tool path in finish cutting. With the many cutting conditions satisfied, the tool path can provide the reduction in lead time of production. For semi-finish cutting tool path interference-free contour tool path are generated.

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ABSTRACT

1.서론

2.등고선 가공경로에서의 공구간섭과 특성점

3.실행 예

4.결론

5.참고문헌

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UCI(KEPA) : I410-ECN-0101-2009-556-014114081