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Types of Yarn Winding

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There are two types of winding machines: precision winders and drum winders. Precision winders, used primarily for filament yarn, have a traverse driven by a cam that is synchronized with the spindle and produces packages with a diamond-patterned wind. Drum winders are used principally for spun yarns; the package is driven by frictional contact between the surface of the package and the drum.

Precision Winding

Precision Winding MachineBy precision winding successive coils of yarn are laid close together in a parallel or near parallel manner. By this process, it is possible to produce a very dense package with a maximum amount of yarn stored in a given volume.


  • The package is wound with a reciprocating traverse
  • Patterning and rubbing causes damage to packages
  • Package contains more yarn
  • The package is less stable
  • The package is hard and compact
  • The package is dense
  • The rate of unwinding of the package is low and the process of unwinding is hard
  • The unwound coil is arranged in a parallel or near parallel manner

Non-Precision Winding

By this type of winding the package is formed by a single thread which is laid on the package at appreciable helix angle so that the layers cross one another and give stability to the package. The packages formed by this type of winding are less dense but is more stable.


  • Only one coil is used to make this packages
  • Cross winding technique is used
  • The package density is low
  • Minimum number of yarn is wound
  • The package formed is soft and less compact
  • The stability is high
  • Flanges are not required
  • The rate of unwinding is high and the process is easy
  • The packages formed have low density

Difference between Precision and Non-Precision Winding

Precision Winding Non-Precision Winding
The wound coil arranged parallel or near parallel. The coil is cross wise-wound.
The yam density of the package is high. The yam density of the package is low.
Flanged bobbin may be used. Not use of flanged.
The yarn package is hard and more compact. The yam package is soft and less compact.
Low stability of the package. High stability of the package.
Winding angle is 90 or near 90. Winding angle is less than 80.
The bobbin is wound with one or more threads. The bobbin is wound with thread.
Yarn tension is comparatively high. Yarn tension is comparatively less.
Unwinding rate is low. Unwinding rate is high.
  1. ITagama says

    Great writing on Yarn

  2. Bhat Somika Bhat says

    nice way to understand topic

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