Important factors affecting the quality of knitted fabrics

There are three kinds fabric types: woven, knitted, and nonwoven. Knitted fabrics are made by knitting process. There are two types of knitted fabrics: weft and warp knitted. Many fashion designers appreciate knitted fabrics for their comfort, texture, wrinkle resistance, and elasticity. Sewing is easy if you choose the right machine and sewing technique.

Dimensional properties of knitted fabrics or factors that influence the quality of knitted fabrics:

Factors that affect the quality of knitted fabrics:

1, Courses per cm

2, Wales per cm

3, Stitch density per cm²

4, Shape factor (Wale spacing: Course spacing)

5, Stitch density

6, Tightness factor K = √(tex/l)

7, Area density

8, Kc (Constant) = Courses per cm × Stitch length in mm

9, Kw (Constant) = Wales per cm × Stitch length in mm

10, Ks (Constant) = Loops per area × Stitch length squared in mm²

11, Loop shape factor= Kc × Kw

Factors that affect the quality of knitted fabrics:

Knitted fabric quality is influenced by the factors listed below:

(a) Yarn variables:

Yarn strength
Yarn count
Yarn type
Yarn evenness
Yarn twist
Yarn extensibility
Yarn rigidness
Yarn finishing treatment

(b) Machine variables:

Machine gauge
Machine speed
Needle gaiting
Needle Timing
Cam design or cam arrangement
Needle arrangement
Knitting elements
Take down arrangement

(c) Knitting variables:

Input tension
Positive feed

(d) Fabric variables:

Fabric design
Fabric structure
Fabric end use

Dependence of fabric properties on fiber and yarn properties:

1, Fiber fineness

2, Staple length

3, Cross-sectional shape

4, Specific gravity

5, Flexural rigidity

6, Torsional rigidity

7, Load-extension relationship

8, Strength

9, Elastic recovery

10, Resistance to abrasion

1 1, Friction

These points would be related to how to make the fabric. We will be able to have a clear idea about the fabric bulk production when we complete this process of fabric analysis.

The last point is the state of the knitted fabric, here are some of the states of the knit fabric:

1, Off-machine state: This is the state of knitted fabric in which it is obtained just after production from the knitting machine.

2, Dry relaxed state: The knitted fabric is obtained after keeping it at 27°C ± 2°C temperature for 24-72 hours.

3, Fully relaxed state: The knitted fabric is obtained after washing it with detergent and then drying and keeping it in the normal atmosphere.

4, Finished state: The state of knitted fabric which is obtained after dyeing and finishing.

If you are interested in knitted fabric, welcome to contact us. Fuzhou Huasheng Textile., Ltd is committed to providing the high quality fabric and best service to the customer worldwide.


Post time: Jan-05-2023