Effect of Process Parameters on Changes in Tensile
Properties of Cotton Sewing Thread
Volume 2 - Issue 5
Vinay Kumar Midha* and Sushma
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- Department of Textile Technology, Dr. B R Ambedkar National Institute of Technology, Punjab, India
*Corresponding author:
Vinay Kumar Midha, Department of Textile Technology, Dr. B R Ambedkar National Institute of Technology,
Jalandhar, Punjab, India
Received: September 10, 2018; Published: September 20, 2018
DOI: 10.32474/LTTFD.2018.02.000149
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Abstract
During high speed sewing, needle thread is subjected to dynamic loading, inertia forces, friction and repeated tensile stresses at
tremendous rates. The value of these stresses depends upon stitching speed, sewing thread tension, stitch length and sewing thread
properties. These parameters affect the tensile properties of sewing threads adversely, leading to loss in seam strength. In this study,
the effect of various parameters lubrication (%), stitch density, the number of fabric layers and stitching speed on tensile properties
of sewing thread has been studied using Box- Behnken design. Contrary to the popular belief, loss in tenacity increases as stitching
speed increases. 4% lubrication (%) is suggested to get minimum tenacity loss (%).
Keywords: Breaking Elongation; Initial Modulus; Sewing Thread; Tenacity
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