Effect of single yarn twist, ply-to-singles twist ratio and tightness factor on spirality of single jersey cotton knitted fabrics

Abstract

<span style="font-size:16.0pt;font-family:" times="" new="" roman","serif";="" mso-fareast-font-family:"times="" roman";mso-fareast-theme-font:minor-fareast;="" mso-ansi-language:en-us;mso-fareast-language:en-us;mso-bidi-language:ar-sa"="">The effect of single yarn twist, ply-to-singles twist ratio and tightness factor on spirality of single jersey cotton knitted fabrics has been studied. The results show that the single jersey fabrics knitted from two-ply yarn with 1/2 of single yarn twist do not show spirality, whereas the fabrics produced using two-ply yarn with 1/3 and 3/4 of single yarn twist show spirality in Z and S directions respectively and the magnitude of spirality increases on wet relaxation. As the cotton two-ply yarn with 1/2 of single twist does not snarl in water, it can be considered as a bal anced two-ply yarn. As the tightness of the fabric construction increases, the spirality of the fabric decreases. </span>