Twist insertion and Different Spinning Techniques

Twist Insertion

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. This increase is shown in the following:

Spinning SystemActual twist inserting rate (rpm)The system is limited by
Twist insertion rateDoffing & transport
Ring15,000-24,000YesNo
Wrap25,000-35,000YesNo
Rotor80,000-1,50,000YesPartly
Air-Jet1,50,000-2,50,000NoYes
Friction2,00,000-3,00,000NoYes

End Products Different Spinning Technique

Methods/End-useOpen-end/RotorWrapFrictionAir-jetRing
Shirting
Bedding
Outer Wear
Sports wear
Blankets
Knitted goods
Decorative Fabrics
Carpeting
Woolen
Worsted
Industrial Textiles
Waste Processing
FiberShortMedium LongAllLong SyntheticAll
manmade fibernatural fiber
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