Influence of Warp Cover Factor on Dye Circulation in Jet Processing
High warp cover factors reduce fabric liquid permeability, requiring wider rectangular nozzles and slower heating ramps to prevent surface shade unlevelness.
Structural Skewing
Fabric Defect
Angular distortion of the knitted or woven courses relative to the wale lines creates a misaligned pattern in finished textiles. This phenomenon, known as structural skewing, occurs when the fabric does not sit straight after tension is released. It leads to garments that twist and drape poorly on the wearer.
Garment Distortion
When skewed fabric is cut and sewn into clothing, the side seams of the finished garment will twist toward the front or back after washing. This defect is a major cause of quality rejections by clothing brands.
Production Causes
The problem often originates from unbalanced yarn torque or uneven tension during the knitting process. In woven fabrics, it can be caused by improper settings on the tentering machine. Identifying the root cause requires analyzing both yarn properties and machinery settings.
Industrial Correction
Finishing mills use specialized machinery to correct this alignment issue before the fabric is shipped to garment factories. These machines use optical sensors to detect the angle of the warp or weft threads and apply mechanical force to realign them. This correction process is essential for ensuring that the finished fabric meets the required dimensional stability standards.
By adjusting the roller speeds and applying steam, the fabric’s internal stresses are balanced, which permanently locks the structure in a square configuration.