Monday, September 2, 2013

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Yarn Manufacturing Process



The first process of textile industry is spinning process. The raw material of this process is cotton and the output of this process is yarn. Several types of processes are related to this process, that’s why this process is a complicated process.

According to types of finish, yarn can divided into four. Such as-
  • Combed Yarn
  • Carded Yarn
  • Rotor Yarn
  • Slav yarn


And by the types of raw material yarn can be divided into-

·         100% cotton yarn.
  • CVC yarn. CVC- chief value of cotton. Percentage of cotton and polyester are basically 65 and 35 or 60 and 40 respectively. Most of the time it depends upon the buyer requirement.
  • 100% polyester yarn.
  • PC yarn. PC- Polyester cotton. Here percentage of polyester is more than cotton.
  • 100% Viscose yarn.

Except these many more kinds of yarn are producing in this textile world. Such as gray mélange( blending of cotton and viscose),Bamboo yarn, Organic cotton yarn etc. 

Process Flowchart of Combed Yarn Manufacturing

Input ———Processing Machinery ———-Output

Raw Cotton--------------Blow Room--------------Lap

Lap-------------------------Carding--------------Carded Sliver

Carded Sliver--------Pre-Comb Drawing-----Pre-comb drawn sliver

Pre-comb Drawn Sliver----Super Lap Former---Mini Lap

Mini Lap----------------Comber--------------Combed Sliver

Combed Sliver-------Post Comb Drawing------Post Comb Drawn Sliver

Post Comb Drawn Sliver---- Simplex------------Roving

Roving-----------------------Ring Frame-------------------Yarn

Yarn--------------------------Winding-------------------Yarn package

 Properties of combed yarn:

        Combed yarn is produced by excluding of short yarns
        • More fine and regular
        • Higher breaking strength.
        • More lustrous
        • Naps percentages is almost zero.
        • Less hairy
        • Higher quality of yarn



The unit of yarn is count. Counts Indicates the thickness of yarn. More the count finer the yarn is. Yarn price also Increases according to increased by count number.

Common yarn count:
  • 20 count 
  • 22 count
  • 24 count
  • 26 count
  • 28 count 
  • 30 count
  • 32 count
  • 34 count
  • 36 count
  • 40 count

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