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오아영(A. Y. Oh),이유진(E. G. Yi),이채연(C. Y. Lee),권성오(S. Kwon),박웅(W. Park),정연찬(Y. Chung) 한국소성가공학회 2013 금형가공 심포지엄 Vol.2013 No.9
This paper presents a geometric analysis of section profiles for the evaluation of manufacturing quality of feature lines. A feature line is the geometry which is a visually noticeable creased line on the smooth automotive outer body panel. The quality of the feature line is important because the line is prominent and crosses over other parts. Section profiles of a feature line on a side outer panel are studied. The section profiles of the design part are computed using a CAD tool and the section profiles on a stamping part are measured using a stylus profilometer. This paper proposes geometric entities to compare the section profiles, such as chordal length and height, and fullness. The results for an example show that the chordal height difference is 0.014~0.025mm and the fullness difference is 0.133 ~ 0.207.