Dyeing knitted fabrics is quite special. Knitted fabrics must be packaged after having been packaged. Soft winding transfer knitted fabrics from paper cone to spring tube or plastic tube. Various winding machines are used for soft winding section. Different parameters having influence on dyeing process directly should be maintained.
Soft winding which is the first step for preparing yarn for dyeing plays a key role in yarn dyeing industry.
The following objectives should be gained during soft winding section
Making soft package (Density should lie between 0.300 and 0.350 gm/cc
Transferring yarn from cone to spring tube or plastic tube
Making free cone from yarn to facilities next process
Decreasing the density of package
Removing unwanted materials from the package
Facilities batching operation
Requirements of soft winding: Various parameters should be set based on requirements of package which is best for yarn dyeing. The followings are the requirements of soft winding.
Density lies between 0.30 and 0.35 gm/cc
Winding is on the basis of yarn count.
Tension of yarn must be kept strictly. More tension makes the package hard and less tension makes the package soft. Softness of package should be acceptable for better dyeing.
Winding floor must be kept neat and clean.
Winding parameter should be set wisely for different yarn count.
More tension can make hard yarn and low tension make soft package. For that tension must be accurate.
Post: Objectives and Requirements of Soft Winding for Dyeing Knitted Fabrics
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