Fabric Manufacturing Engineering-I
Types of winding packages:
1. Parallel wound package:
(a) Warp beam, (b) Weavers beam.
2. Near parallel wound package:
(a) Pirn, (b) Cop, (c) Flanged bobbin.
3. Cross wound packages:
(a) Cone, (b) Cheese.
1. Parallel wound package or Parallel winding:
This comprises threads laid parallel to one another as in a warp beam. It is necessary to have a
flanged package or beam; otherwise the package would not be stable and would collapse. There
is no necessity of traversing.
Advantages:
➢ Many yarns can be wound at a time.
➢ No need of traversing mechanism.
➢ Side withdrawl is possible.
➢ The density of yarn is more.
➢ No change of number of turns per inch.
Disadvantages:
➢ Two sides of the package need to be flanged.
➢ For yarn unwinding, need separate mechanism.
➢ Cannot be over end withdrawl.
2. Near parallel wound package:
This package comprises one or more threads which are laid very nearly parallel to the layers
already existing on the package.
Fabric Manufacturing Engineering-I
✓ Pirn is prepared by the pirn winding ✓ COP stands for Creel less Open Package
process ✓ Commonly used in spinning industry
✓ Pirn is a small package that is ✓ Package is wound onto a cylindrical
produced from bigger package core at a slight angle which creates a
✓ Package is produced by the help of conical shape
reciprocating progressive traverse of ✓ It allows the yarn to be removed easily
thread from the package
Advantages:
➢ Flange is not required.
➢ Side & over-end withdrawal is possible.
➢ No change of number of turns per inch(twist).
➢ Suitable for high speed weft supply in conventional loom.
Disadvantages:
➢ The package is not stable.
➢ Need of traversing mechanism.
➢ Cannot be side withdrawal except warpers beam.
Fabric Manufacturing Engineering-I
3. Cross Wound Packages
This type of package contains a single thread which is laid on the package at an appreciable
helix angle (>15 degree) so that the layers cross one another to give stability.
✓ Most commonly used package ✓ This type of packages is produced by
✓ This type of packages is produced by placing the yarn onto a cylindrical
placing the yarn onto a conical shaped shaped core
core
✓ It is the type of package where the
✓ It is the type of package where the
diameter of the package is changed diameter of the package is constant
throughout the length throughout the length of package.
✓ The top end is Nose and the bottom end
is Base
Advantages
✓ Flange is not required
✓ Yarn package is very stable
✓ Over-end withdrawal is possible
✓ Extra mechanism is not required for unwinding
✓ Unwinding speed is more
✓ Suitable for wet treatment on yarn
Disadvantages
✓ The yarn twist is changed during this winding
✓ Side withdrawal is not possible
✓ Traversing mechanism is required
✓ More yarn breakage
Fabric Manufacturing Engineering-I
✓ Increase yarn hairiness
Types of Winding Machine
1. According to density
➢ Precision winding.
➢ Non-precision winding.
2. According to type of package
➢ Cone winding.
➢ Pirn winding.
➢ Cop winding.
➢ Flange winding.
➢ Cheese winding.
3. According the build of the package
➢ Parallel winding.
➢ Near- parallel winding.
➢ Cross-winding.
4. According to the methods of drive
➢ Positive or direct drive.
➢ Negative or friction or indirect drive.
5. According to the Features of automation
➢ Conventional winding.
➢ Modern winding.
