Category Archives: Yarn Manufacturing Technology-I

Important fiber properties considered for spinning.

Important properties considered for spinning:

  1. Fibre length & length uniformity.
  2. Fibre strength & elongation.
  3. Fibre fineness.
  4. Fibre maturity.
  5. Fibre cleanliness.
  6. Fibre color.
  7. Fibre stiffness.
  8. Some chemical deposits.

Share (%) of contribution to yarn quality:

Fibre Properties

 

Contribution (%)

For Ring Yarn

For Rotor Yarn

1.Fibre length 22% 12%
2.Fibre uniformity 20% 17%
3. Fibre strength 20% 24%
4. Fibre elongation 05% 08%
5. Fibre fineness 15% 14%
6. Fibre cleanliness 03% 06%
7. Other 15% 19%

 Fibre Length: The average length of spun able fibre is called staple length. Fibre with length of 15-50 mm is preferable for yarn manufacturing.

Influences of fiber length in yarn production & Quality:

  1. Productivity:
  • Long fiber increase production & quality.
  • Higher amount of short influence fiber End breakage  ,Increase quantity of waste  ,Increase Production & Quality .
  1. Yarn Strength: Short fiber reduces yarn strength.
  2. Yarn Evenness: Short fiber causes yarn unevenness.
  3. Yarn Hairiness: Short fiber causes yarn hairiness.

Beside, fiber length has influence on –

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