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위편공정에서 급사장력이 위편성물의 Cover Factor에 미치는 영향
김문상 한국섬유공학회 1975 한국섬유공학회지 Vol.12 No.2
In order to investigate the effect of yarn feeding tension on the cover factor of weft knitted fabrics some experiments were carried out with the variables such as yarn feeding tension, loop density, yarn characteristics and weight of take-up mechanism of weft knitting machine. The experimental results were discussed by the method of analysis of variance. The conclusions were as follows; (1) the yarn characteristics were considered to be factors affecting on the cover factor of plain weft knitted fabrics. (2) It was considered that the yarn characteristics and loop density of plain weft knitted fabrics interact mutually and their interaction was considerd to be a factor affecting on the relaxation shrinkage. (3) As long as the yarn feeding tension and the weight of the take-up mechanism are below the experimental value of the feeding yarn, they do not affect on the relaxation shrinkage.
김문상,민선규,최창석 대한기계학회 1994 대한기계학회논문집 Vol.18 No.9
This paper presents a facial expression transformation algorithm and drawing rule generation algolithm for a portrait drawing robot which was developed for the '93 Taejeon EXPO. The developed algorithm was mainly focused on the robust automatic generation of robot programs with the consideration that the drawing robot should work without any limitation of the age, sex or race for the persons. In order to give more demonstratin effects, the facial expression change of the pictured person was performed.