What is drawing, Texturisation, Intermingling and Heat setting

3) Drawing: The process by which the yarn fiber is elongated by passing it through a semi-series pair of roller each pair moving faster than the previous on is call drawing.

Object of drawing:

1.      Increase strength.

2.      To reduce elongation at break.

3.      To orientation & Crystallinity.

4) Texturisation: Texturisation is the process by which flat filament are distorted to have crimps, coils, curls or loops along their length to achieve bulk and greater  absorbency.

Texture Yarn is:

5) Intermingling: The process by which can be made the synthetic yarn smooth by adding addition to protrude filament ends is called intermingling.

Way of Intermingling:

1.       Spot welding: Heat treatment/adhesives are used.
2.      Air Jet: composed air at high pressure.

5) Heat Settings: The process of imparting dimensional stability of fiber. Yarn fabric with cooling in dry and moist condition is called heat setting.

Objective:

1.      The make the yarn fabric fiber dimensional stable.

2.      The remove shrinkage of fiber.

Disadvantage:

1.       The fiber becomes very stiff.
2.       Uneven shade due to uneven heat set.