Sinker lines are prominent or feeble vertical lines appearing parallel to the Wales along the length of the knitted fabric tube. Causes: Bent or Worn out Sinkers. Sinkers being tight in the Sinker Ring grooves.
What are the two types of knitted fabric?
Knit fabrics can generally be stretched to a greater degree than woven types. The two basic types of knits are the weft, or filling knits—including plain, rib, purl, pattern, and double knits—and the warp knits—including tricot, raschel, and milanese.
What is Spirality of knitted fabric?
Spirality can also be termed as fabric skew or fabric torque. Spirality is the problem which occurs when the wale is not perpendicular to the course direction. As the yarn is bent to form a loop, the outer part extends and inner part compresses.
What are the causes of drop stitches?
Drop Stitches (Holes) Drop Stitches are randomly appearing small or big holes of the, same or different size, which appear as defects, in the Knitted fabrics. Ÿ Obstructions in the yarn passage, due to the clogging of eyelets, yarn guides & tension discs, with wax & fluff etc. Ÿ Defects like; Slubs, Naps, Knots etc.
What are the causes of knitted fabric faults?
Cause: This defect is often caused by abrasion or excessive tension during winding or knitting, which breaks a part of the yarn (e.g. a filament of a continuous-filament yarn or a ply of a two-fold yarn) that is subsequently held back during knitting. Remedy: Ensure uniform Yarn Tension on all the feeders.
How many types of fabric defects are there?
Different Types of Fabric Faults and Their Causes and Remedies
|Sr. no.||Defect Name||Appearance|
|1||Crack||Too few picks per inch in a certain area.|
|2||Float||Distortion of in weft direction generally accompanies with warp break|
|3||Wrong Drawing||Irregular pattern warp way in the cloth.|
|4||Leno Problem||Leno end not holding correctly|
What are the eight knitting defects?
High Yarn Tension. Bad Setting of the Yarn Feeders. Old & Worn out Needle set or Breakage of hook or butt in needle. Cylinder Grooves are too tight restricting needle movement.
- High Yarn Tension.
- Yarn Overfeed or Underfeed.
- High Fabric Take Down Tension.
- Defects like Slubs, Knots etc.
What are the types of knitted fabric?
Knitted Fabric Types
- Flat or Jersey Knit Fabric. …
- Purl Knit Fabric. …
- Rib Stitch Knit Fabric. …
- Interlock Stitch Knit Fabric. …
- Double Knit Fabric. …
- Warp Knitted Fabric. …
- Tricot Knit Fabric. …
- Raschel Knit Fabric.
What is Hacci material?
Hacci Sweater Knit Fabric – Sweater knits, also known as Hacci, have a more loopy, open-knit texture than regular cotton knits and are usually made of blends of cotton and wool, polyester, or spandex. They are wrinkle resistant and sew up just like regular knits!