圆环形仿形机织物的剪切变形  

Shear deformation of annular shaped woven fabrics

作　　者：陈和春[1] 陈桂香[1] 

机构地区：[1]南通纺织职业技术学院纺织系,江苏南通226007

出　　处：《纺织学报》2013年第4期53-56,共4页Journal of Textile Research

摘　　要：仿形织物织造过程中,由于使用的是异型卷取轴,纬纱在卷取时发生变形,形成剪切角,使得仿形织物上机前后在结构上产生较大的差异。为此,针对采用锥形卷取辊织造圆环形仿形织物产生的纬向剪切变形问题,分析了织物在织造、卷取时的结构特点,建立圆环形仿形织物的剪切变形模型,推导理论变形公式,计算出圆环形仿形织物的纬向剪切角,并将理论计算的剪切角与实测的剪切变形角进行对比,发现二者非常接近。证明该理论推导公式是正确的,符合织物剪切的实际情况。For weaving shaped fabrics, the batch roller on shape weaving frame is of cone frustum, not cylinder, which makes the shear deformation happen when copping, thus forming a shear angle so that the structure of the shaped fabric differs remarkably before and after looming. This paper, aiming at solving the weft shear deformation problem which exists in annular shaped fabric＇s weaving, analyzes the structural characteristics of the annular shaped fabric when weaving and winding, establishes a shear deformation model of the annular shaped woven fabric, derives a theoretical shear deformation formula, and calculates the weft-wise shear angle of the fabric. The comparison between the calculated shear angle and the measured one demonstrates that the two are very close. This proves the derived theoretical formula is correct and accords with the actual situation of the shear deformation.

关 键 词：仿形机织物 剪切变形 理论模型 剪切角 

分 类 号：TS101.1[轻工技术与工程—纺织工程]