Influence of yarn tension variations before the positive feed on the characteristics of knitted fabrics

Author:

de Vasconcelos Fernando Barros12,Marcicano João Paulo Pereira1,Sanches Regina Aparecida1

Affiliation:

1. School of Arts, Sciences and Humanities (EACH) of USP, Brazil

2. University Center of FEI, Brazil

Abstract

In recent years, there has been a substantial increase in the production of knitted fabrics with textured synthetic yarns in circular knitting machines. However, there are few studies for this type of yarn on the effects of variations in tension on circular knitting machines. In this work, we examine the variation in yarn tension before the positive feed and analyze its influence on the properties and quality of knitted fabrics produced with spun yarn and textured synthetic yarn. Knitted fabrics were produced with spun cotton yarn and textured microfiber nylon yarn (polyamide), which were analyzed with respect to loop length. The results demonstrate the importance of controlling the yarn feed tension when working with textured yarns, even with the use of a positive feed, in contrast to what occurs when spun yarn is used.

Publisher

SAGE Publications

Subject

Polymers and Plastics,Chemical Engineering (miscellaneous)

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