Xiangyang Jihua 3542 Textile Company Ltd

Xiangyang, China

Xiangyang Jihua 3542 Textile Company Ltd

Xiangyang, China

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Xia Z.,Donghua University | Xu W.,Wuhan Textile University | Zhang M.,Xiangyang Jihua 3542 Textile Company Ltd | Qiu W.,Xiangyang Jihua 3542 Textile Company Ltd | Feng S.,Xiangyang Jihua 3542 Textile Company Ltd
Fibers and Polymers | Year: 2012

In this study, spinning with a contact surface was introduced as a simple and energy-saving method to reduce spun yarn hairiness. Theoretical analysis indicated that yarn hairiness could be reduced via a sufficient long contact surface applied in other part of yarn formation zone in addition to spinning triangle. Then, a simple contact apparatus was installed on ring frame to validate the theoretical analysis. Results proved that yarn hairiness was reduced via a contact surface in the yarn formation zone. However, unevenness was deteriorated for most yarns spun with contact apparatus during the spinning, which might be due to fiber mass concentration. Most of yarns spun with contact apparatus had a lower strength than the conventional yarns. This might be because evenness deterioration to decrease yarn strength overpowered hairiness reduction to increase yarn strength for most yarns spun with a contact surface. © 2012 The Korean Fiber Society and Springer Netherlands.


Xia Z.,Wuhan Textile University | Liu H.,Xiangyang Jihua 3542 Textile Company Ltd | Huang J.,Wuhan Textile University | Gu S.,Wuhan Textile University | Xu W.,Wuhan Textile University
Textile Research Journal | Year: 2015

Ring spun yarn hairiness can be reduced by such methods as spinning with a contact surface and Z-twisting the staple strand in a “left diagonal” yarn path (denoted as LDP). Actually, the LDP method already exists in sirofil spinning technology. In this study, mechanism analysis of controlling and trapping staple fibers is conducted theoretically for sirofil spinning with a contact surface. Analysis reveals that contacting with a rubber surface leads to deformation of the straight sirofil spinning strand; this can better the tension and twist distribution on the right-hand component of the sirofil spinning triangle to improve LDP sirofil yarn appearance. Related experiments are also carried out to validate the theoretical analysis. Online pictorial investigation confirms the deformation of the straight sirofil composite yarn once it contacts with a rubber surface. Experimental results show that the lower weight loss and smoother appearance are bestowed upon LDP sirofil yarn spun with a rubber contact surface, which agrees well with corresponding theoretical analysis. © The Author(s) 2014 Reprints and permissions: sagepub.co.uk/journalsPermissions.nav.

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