Thursday, February 23, 2012

Object Of Combing

Objectives of Combing

Following are the objectives of combing process:
  1. To remove the fiber shorter than a predetermined length.
  2. To remove remaining impurities in the comber lap.
  3. To remove naps in the carded sliver.
  4. To make the fiber more parallel and straight.
  5. To produce a uniform sliver of required per unit length. 
Necessity of combing
The following quality of fibers can only be obtained by combing
  • Clean finer fiber
  • Uniformity in length of fiber
  • Absence of nap
  • More parallel arrangement of fibers
  • Straight fibers
Combers Noel: The wastage which is removed from the comber m/c during processing is known as comber’s noel. It is expressed as percentage. It is mainly of short fibers and naps. Noel is used for lower count as raw material.

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