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End use of Coarse NE counts & Plied yarns

GMT 03:29 2015 Thursday ,31 December

Sriyadithatextile - End use of Coarse NE counts  & Plied yarns

Mr. Pitumani - ED - M/s Palani Vijay Cotspin pvt ltd.,
TFA

In Textile industry, Coarse NE Counts & Plied yarns are used for more textile needs. In this exclusive interview with Mr. Pitchumani - ED of M/s Palani Vijay Cotspin pvt Ltd., - has given some of the major usages of the same in textile field.

According to the category, we can classify the Coarse counts & Plied yarns usage into three major usages as,

  • Terry Towels
  • Tea-Bag Threads
  • Industrial Cords

 FOR  TOWEL USAGE:

 

Carded yarns have fuzzy appearance, more hairy surface & softier.

PILE WARP  :  

  • 16/1, 20/1 Ne Commonly used with 240 – 255 TPM
  • Low Twist used for better absorbency and softness
  • Sometimes two-ply yarns may be used
  • Rotor yarns may also used for Low cost

Ground Warp :

  • Carded 20/1, 24/2 Commonly used with 550 TPM
  • Two Ply yarns preferred for Better strength
  • P/C yarn may also be used
  • Rotor yarn may also be used

Weft Yarn :

  • Carded yarns of 16/1, 20/1 Ne with 240 – 255 TPM

             

FOR TEA-BAG THREADS :

 

 In Accordance with European Community Laws and U.S. Food and Drugs administration, it should comply with all food contact requirements, by:

  • Using raw cotton 100% free from defoliants and other chemicals (as of certification OEKO-TEX Standard 100)
  • Treating cottons for mildew prevention.
  • Dyeing with non optical chemicals (as from Certification OEKO-TEX Standard 100)
  • Boiling and Steriling the thread
  • Lubricating threads with edible oils and wax
  • All the raw material and the Dyeing process are “Free of harmful substances” (as of Certification OEKO-TEX Stanard 100)

 Therefore it needs assurance that each cone produced – has the following features:

  • Basic production cycle with Ring-spun system
  • Electronically controlled yardage
  • Minimum defects left which may caused stoppages (ElkoControl)
  • Water proofing system in the final thread
  • Splicing system to avoid knots
  • Process control by a camera in the final winding checking and avoiding defects

 

FOR INDUSTRIAL TYRE CORDS :

What is Tyre Cord Fabric

Tyre Cord Fabric is a type of industrial fabric made using High Tenacity Synthetic Yarn Cord in the warp and has negligible density of weft just to hold the warps together. Tyre cord fabric provide the tyre its fundamental properties such as shape, load carrying capacity, abrasion resistance etc. The Fabric in recent times is also being used for reinforcement with rubber in manufacturing of various other products like Pnuematic Fenders, Rubber Hoses, Tread Rubber Patches, Tranmisssion Belts, Air Spring, Rubber Expansion Joints etc.

Manufacturing Process :

The manufacturing process of Tyre Cord Fabric is basically divided into three steps :

  • 1) Twisting.
  • 2) Weaving
  • 3) Dipping

Twisting:

The High tenacity synthetic Yarns are held together and twisted in two or more plies as per the required parameters. This process helps in increasing the fatigue resistance and elongation of the yarn and at the same time helps increase adhesion of the yarn. Apart from this twisting also prevents filamentation of the yarn during the weaving process. Certain lighter fabrics also require single yarn twisting.

Weaving:

Here the twisted cords are mounted on the creel as per customers specification of the width and number of cords required per inch of the fabric. The weft density is negligible as its role in tyre cord fabric is just to hold the warps together without disturbing its distribution, hence lighter cords of either cotton or polyester-cotton blend is used in the weft. The woven fabric gets wounded on shell rolls on a batching motion into big rolls, which is now ready to be sent for further processing.

Dipping:

Dipping is final and most important stage of tyre cord fabric manufacturing, where the fabric reaches its final thermal & mechanical properties. During this process the fabric is dipped and passed through RFL (Resorcinol, Formaldehyde & Latex) solution Which gives the cord its adhesion properties enabling it to form a inseparable composite when coated with rubber during calendering process for manufacturing of the desired product.

 

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