The new spinning systems clearly avoid the limitations produced by the twist insertion mechanism. It is possible to increase the twist insertion rate and the yarn production speed quite considerable. Various spinning techniques specifications.

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Twist Insertion

Spinning System	Actual twist inserting rate (rpm)	The system is limited by
Spinning System	Actual twist inserting rate (rpm)	Twist insertion rate	Doffing & transport
Ring	15,000-24,000	Yes	No
Wrap	25,000-35,000	Yes	No
Rotor	80,000-1,50,000	Yes	Partly
Air-Jet	1,50,000-2,50,000	No	Yes
Friction	2,00,000-3,00,000	No	Yes

End Products Different Spinning Technique

Methods/End-use	Open-end/Rotor	Wrap	Friction	Air-jet	Ring
Shirting	✓			✓	✓
Bedding	✓			✓	✓
Outer Wear	✓	✓		✓	✓
Sports wear	✓		✓		✓
Blankets	✓		✓		✓
Knitted goods		✓			✓
Decorative Fabrics	✓				✓
Carpeting		✓	✓		✓
Woolen		✓	✓		✓
Worsted					✓
Industrial Textiles	✓		✓		✓
Waste Processing	✓		✓		✓
Fiber	Short	Medium Long	All	Long Synthetic	All

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Yarn Formation/Spinning

The Fibre formation process includes change in shape, structure and properties of the thermoplastic polymer. The polymer pellets or granules are fed into an extruder where, through heating, their melting temperature is exceeded. The polymeric melt is then transported, under pressure, to the spinneret..Yarn formation methods were originally developed for spinning of natural fibres including cotton, linen, wool and silk.

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Textile Yarn Types

Details of types of yarn such as spun yarn and filament yarn also different types of cotton such as Sea island cotton, Pima cotton, U.S. cotton, Asian cotton etc.

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Twist insertion and Different Spinning Techniques

Twist Insertion

End Products Different Spinning Technique

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