条干不匀是棉纱评等的重要指标.条干不匀不仅增加纺纱断头率,而且严重影响织物的外观.介绍了影响棉纱条干均匀度的一些因素,并通过正交试验对细纱工艺参数进行优化,从而得出纺制14.6 tex精梳棉纱最佳的粗纱捻系数为102、胶圈钳口隔距为3.5 mm、后区牵伸倍数为1.30倍、后区隔距为30 mm.
【英文摘要】
Unevenness is an important evaluation index to the classification of cotton yarn.Unevenness not only leads to an increasing spinning breakage rate,but also seriously spoils the appearance of fabrics.This paper introduces some influential factors on cotton yarn evenness,and by the orthogonal test the spinning process parameters were optimized.The results were found that the optimum roving twist factor is102,apron nip gauge is 3.5 mm,behind zone drafting multiple is 1.30 and behind zone gauge is 30 mm in spin...
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