DEFECTS OF CIRCULAR KNIT FABRIC AND THEIR REMEDIES

 

The major defects in Knitted fabrics be it flat knit or circular knit are as below:
1. Barre
2. Streakiness
3. Imperfections
4. Contaminations
5. Snarling
6. Spirality
7. Spandex Jump
8. Spandex miss

1. Barre

Barre is a defect observed in widthwise direction, broad in nature with equal interval over length of fabric

Causes:  

• High Yarn Tension
• Count Variation
• Mixing of the yarn lots
• Package hardness variation

Remedies:

• Ensure uniform Yarn Tension on all the feeders.
• The yarn count CV. should be less than 1.2
• Ensure that the yarn being used for Knitting is of the same lot
• Ensure that the hardness of all the yarn packages is uniform using a hardness tester.

2. Streakiness

Streaks as the name suggests are horizontal line which appear in fabric, they are irregularly spaced and can be of various sizes

Causes:

• Faulty winding of the yarn packages.
• Yarn running out of the belt on the Pulley

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Source: https://www.inviya.com/blog/defects-of-circular-knit-fabric-and-their-remedies/