characteristics of blended yarns like - shrink or not, water absorbent, has creases or not, has the luster or not, soft/hard. Each kind of fiber has its own characteristics when mixing them, one should consider their characteristics to…
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Textiles

Yarn Spinning Formulas

Textile School Oct 28, 2010 22

Formulas used for yarn spinning production including various yarn numbering system conversions.
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Yarn

Air Jet Spinning

Textile School Oct 27, 2010 0

Air jet spinning has offered yarn manufacturers the opportunity to produce yarn at relatively high production rate. Unlike other spinning methods in which productivity is limited by the amount of twist in the yarn, Air Jet yarns can be…
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Substrate Formation

Textile School Oct 27, 2010 0

Textile substrates are formed from yarns or fiber webs by several techniques including weaving, knitting, tufting, and nonwoven formation. Composites of textile substrates are formed by bonding two fabrics together by use of an adhesive to…
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Yarn

Open-end or Carded or Break or Rotor Spinning

Textile School Oct 27, 2010 1

The first functioning of rotor spinning, machine was presented at the ITMA in 1967.Yarn spinning according to the rotor spinning principle predominates for all nonconventional spinning methods.It omits the step of forming a roving.After…
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Yarn

Draw frame Functions

Textile School Oct 27, 2010 2

Carded Slivers are fed into the Draw-Frame and are stretched/Straightened and made into a single sliver. Also, fibre blending can be done at this stage. The cans that contain the sliver are placed along the draw-frame feeder rack, usually…
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