The Effect of Sewing Thread Static Tension on the Shape and Strength of Lock Stitch.

Document Type : Research Studies

Author

Textile Engineering Department., Faculty of Engineering., El-Mansoura University., Mansoura., Egypt.

Abstract

This paper is concerned with the study of the effect of static tension of sewing thread to be fed through the needle on the form and strength of lock-stitch. For this purpose two types of fabrics of middle and heavy weight were used. The statice tension has been varied over eight levels.
The results obtained showed that increasing the static tension of sewing thread tension caused a considerable decrease in the stitch strength and deformation in the shape of the stitch. The stitch strength for heavy weight fabric is higher than of the middle weight fabric, and that the static tension needed for heavy weight fabric is higher than that for middle weight fabric.

Main Subjects